Air pollutants, hazardous; national emission standards: Wood furniture manufacturing operations,

[Federal Register: December 28, 1998 (Volume 63, Number 248)]

[Rules and Regulations]

[Page 71376-71385]

From the Federal Register Online via GPO Access [wais.access.gpo.gov]

[DOCID:fr28de98-6]

ENVIRONMENTAL PROTECTION AGENCY

40 CFR Part 63

[AD-FRL-6210-3]

RIN 2060-AH66

National Emission Standards for Hazardous Air Pollutants: Wood Furniture Manufacturing Operations

AGENCY: Environmental Protection Agency (EPA).

ACTION: Final rule; amendments.

SUMMARY: This action promulgates amendments to the ``National Emission Standards for Hazardous Air Pollutants; Final Standards for Hazardous Air Pollutant Emissions from Wood Furniture Manufacturing Operations,'' originally promulgated in the Federal Register on December 7, 1995. The amendments to the rule were proposed pursuant to three agreements reached in settlement of the following petitions for review: Chemical Manufacturers Association v. EPA, No. 96-1031 (D.C. Cir.); Halogenated Solvents Industry Alliance, Inc. v. EPA, No. 96-1036 (D.C. Cir.); and Society of the Plastics Industry, Inc. v. Browner, No. 96-1038 (D.C. Cir.). This action also finalizes clarifying amendments, as well as technical amendments to certain sections of the rule.

DATES: This rule is effective December 28, 1998.

ADDRESSES: Docket. Interested parties may review items used to support this notice at: Air and Radiation Docket and Information Center (6102), Attention, Docket No. A-93-10, U.S. Environmental Protection Agency, 401 M Street, SW., Washington, DC 20460.

FOR FURTHER INFORMATION CONTACT: For information concerning the standards and the changes, contact Mr. Paul Almodovar, Coatings and Consumer Products Group, Emission Standards Division (MD-13), U.S. Environmental Protection Agency, Research Triangle Park, NC 27711; telephone (919) 541-

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0283. For information regarding the applicability of this action to a particular entity, contact Mr. Robert Marshall, Manufacturing Branch, Office of Compliance (2223A), U.S. Environmental Protection Agency, 401 M Street, SW., Washington, DC 20460; telephone (202) 564-7021.

SUPPLEMENTARY INFORMATION:

Regulated Entities

Entities potentially regulated by this action are owners or operators of facilities that are engaged, either in part or in whole, in wood furniture manufacturing operations and that are major sources as defined in 40 CFR part 63, subpart A, section 63.2. Regulated categories include:

Category

Examples of regulated entities

Industry.......................... Facilities which are major sources of hazardous air pollutants (HAP) and manufacture wood furniture or wood furniture components.

This table is not intended to be exhaustive, but rather provides a guide for readers regarding entities that the EPA is now aware potentially could be regulated by this action. Other types of entities not listed in the table also could be regulated. To determine whether your facility (company, business, organization, etc.) is regulated by this action, you should carefully examine the applicability criteria in section 63.800 of the national emission standards for hazardous air pollutants (NESHAP) for wood furniture manufacturing operations (Wood Furniture NESHAP) that was promulgated in the Federal Register on December 7, 1995 (60 FR 62930) and codified at 40 CFR 63 subpart JJ. If you have questions regarding the applicability of this action to a particular entity, consult Mr. Robert Marshall at the address listed in the preceding FOR FURTHER INFORMATION CONTACT section.

The information presented below is organized as follows:

1. Background II. Comments Received on Proposed Changes and EPA Response to Comments III. Summary of Changes IV. Administrative Requirements

   1. Docket

   2. Paperwork Reduction Act

   3. Executive Order 12866 Review

   4. Regulatory Flexibility

   5. Submission to Congress and the General Accounting Office

   6. Unfunded Mandates Reform Act

   7. National Technology Transfer and Advancement Act

   8. Executive Order 12875: Enhancing Intergovernmental Partnership

1. Executive Order 13045: Protection of Children from Environmental Health Risks and Safety Risks

   10. Executive Order 13084: Consultation and Coordination with Indian Tribal Governments

1. Background

   On December 7, 1995 (60 FR 62930), the EPA promulgated the Wood Furniture NESHAP. These standards were codified as subpart JJ in 40 CFR part 63. These standards established emission limits for, among other things, coating and gluing of wood furniture and wood furniture components. Three different parties, the Chemical Manufacturers Association (CMA), the Halogenated Solvents Industry Alliance, Inc. (HSIA), and the Society of the Plastics Industry, Inc. (SPI), petitioned for judicial review of the final rule under section 307(b) of the Clean Air Act (the Act).

   The EPA executed settlement agreements with each of these petitioners on December 18, 1997. In accordance with section 113(g) of the Act, the EPA published notice of the petitions in the Federal Register on December 24, 1997 (62 FR 67360). The notice provided a 30- day opportunity for public comment. One comment supporting the agreements was submitted.

   The settlement agreement between the EPA and the CMA requires the EPA to conduct notice and comment rulemaking proposing that certain glycol ethers be removed from the list of volatile hazardous air pollutants (VHAP) of potential concern in table 6 of the Wood Furniture NESHAP. The agreement also provides that the de minimis value in table 5 for 2-ethoxyethyl acetate be changed from 5.0 tons per year to 10.0 tons per year.

   The settlement agreement between the EPA and the HSIA requires the EPA: (1) to conduct notice-and-comment rulemaking in accordance with section 307(d) of the Act proposing that perchloroethylene and trichloroethylene be deleted from the list of pollutants prohibited from use in cleaning and washoff solvents under section 63.803(e) of the regulations (table 4 of the Wood Furniture NESHAP); and (2) to give great weight to the recommendations of the Science Panel of the Joint Methylene Chloride Characterization Task Force regarding whether a reassessment of the cancer hazard for methylene chloride should be undertaken based on current scientific information. The settlement agreement also requires the EPA to conduct additional notice and comment rulemaking with respect to methylene chloride if methylene chloride is reassessed and certain findings are made as a result of that reassessment.

   The settlement agreement between the EPA and the SPI requires the EPA to propose technical amendments to the Wood Furniture NESHAP that would remove the subheadings of ``Nonthreshold Pollutants,'' ``High- Concern Pollutants,'' and ``Unrankable Pollutants'' in table 6, and remove footnote ``a'' to table 6 which relates to these hazard ranking classifications.

   This action promulgates changes to the Wood Furniture NESHAP proposed to address the settlement agreements discussed above. This action also finalizes clarifying changes and corrections which were identified as being necessary after promulgation of the original rule.

2. Comments Received on Proposed Changes and EPA Response to Comments

   Six comment letters were received on the proposed changes to the final wood furniture manufacturing operations. These comments have been included in the docket to the Wood Furniture NESHAP (Docket No. A-93- 10) as items VI-D-01 through VI-D-04, and IV-G-01 through IV-G-03. This preamble serves as the only summary of the comments received on the proposed changes to the final rule.

   Five of the commenters supported the EPA's proposed changes to the final rule based on the settlement agreements. One commenter suggested clarifying changes in addition to those that were proposed. This commenter suggested clarifying the requirements in the Formulation Assessment Plan for VHAP of potential concern, the applicability requirements of this rule, and the removal of the emission limit for thinners. The EPA will give further consideration to the suggested changes, but cannot finalize them at this time. The EPA believes that additional rulemaking would be necessary to provide the public with opportunity to comment on the suggested changes. The intent of this rulemaking was to address specific issues identified in the settlement agreements with the CMA, the HSIA, and the SPI, and make minor technical corrections rather than completely reopen the original rule for comment.

   One commenter expressed concern that the EPA was proposing to delete perchloroethylene from the list of pollutants prohibited from use in cleaning and washing solvents and was ``moving perc[hloroethylene] down a category in terms of risk classification.'' In particular, the commenter asserted

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   that the EPA has identified perchloroethylene as posing potential health risks, and has long considered it a ``probable human carcinogen,'' citing a recent document from the EPA's Design for the Environment project on dry cleaning, an International Agency for Research on Cancer (IARC) monograph supporting a finding that perchloroethylene is a ``probable human carcinogen,'' and a May 1998 report of the Children's Health Protection Advisory Committee.

   Contrary to the commenter's concern, the EPA is not ``moving perc[hloroethylene] down a category in terms of risk classification.'' At present, this chemical is not classified as to its carcinogenicity in the EPA's Integrated Risk Information System. The EPA is currently reassessing the potential carcinogenicity of perchloroethylene. Since a definitive assessment of carcinogenicity of this chemical has not been finalized by the EPA and since only chemicals classified as Type A and B carcinogens are prohibited in cleaning and washoff solvents, the EPA is removing perchloroethylene from the list of prohibited chemicals in table 4. This change in table 4 does not imply that the EPA has changed its judgment or, indeed, reached any judgment in its current scientific evaluation of this chemical, nor does it carry any weight with respect to policies adopted toward this chemical in other regulatory contexts. The EPA is aware of the IARC monograph on perchloroethylene, as well as assessments conducted by other groups, and will consider this information in its scientific reassessment. After this reassessment, the EPA will revisit, as needed, its decision to delete perchloroethylene from the list of chemicals prohibited in cleaning and washoff solvents.

   The EPA does not believe that perchloroethylene, as a washoff or cleaning solvent in wood furniture manufacturing, poses a sufficiently significant risk to warrant prohibition under this rule at this time. Wood furniture manufacturers do not commonly use perchloroethylene as a washoff or cleaning solvent. Wood furniture manufacturers using water- borne coatings would probably use a water-based solvent as a cleaning solvent. Wood furniture manufacturers using solvent-borne coatings would use the same solvents contained in the coatings, such as methanol and mineral spirits for their washoff and cleaning operations. Therefore, the risk of exposure to perchloroethylene in wood furniture manufacturing operations is currently very low, and should continue to be low.

3. Summary of Changes

   The EPA is finalizing the proposed changes to table 6 of the Wood Furniture NESHAP. Table 6 lists those VHAP that are thought to pose a high concern for chronic toxicity. The regulations require affected sources to track the usage levels of these chemicals as part of their formulation assessment plans. The EPA, as a result of the negotiated rulemaking process for the original rule, included in the table 6 list only those chemicals with a toxicity composite score of 20 or higher.

   The original table 6 contained subheadings for ``nonthreshold'' pollutants, ``high-concern'' pollutants, and ``unrankable'' pollutants. These subheadings followed the hazard ranking classification scheme proposed in regulations to implement the offsetting provisions of section 112(g) of the Act. The EPA now believes, however, that these subheadings, and footnote ``a'' which relates to these subheadings, serve no substantive function in this rule and have been removed from table 6. The definition of ``VHAP of potential concern'' has also been revised to reflect this change in table 6.

   Section 63.803(l)(6) is revised to eliminate the reference to the 112(g) regulations. This cross-reference is not necessary because table 6 has been revised to include the de minimis value for each chemical. The de minimis values provided in table 6 are not changed from the current values extrapolated from the proposed section 112(g) regulations.

   The EPA is also finalizing the proposed changes to tables 4 and 5. The EPA is finalizing the proposed changes to table 5 to change the de minimis level for 2-ethoxyethyl acetate from 5.0 to 10.0 tons per year. The EPA is finalizing the proposed changes to table 4 of the Wood Furniture NESHAP by removing trichloroethylene and perchloroethylene from the list of prohibited cleaning and washoff solvents.

   The EPA is taking this opportunity to make additional technical and clarifying corrections to the final rule. The EPA has removed caprolactam from the list of VHAP in table 2 of the rule because this chemical has been delisted from the HAP list in section 112(b)(1) of the Act (61 FR 30816).

   The EPA has revised the definition of ``organic solvent'' to reflect the EPA's intent in the final rule to regulate only those organic solvents considered HAP. The definition in the final rule should be limited to those organic solvents which are HAP. Therefore, the EPA has added the term ``hazardous air pollutant'' to the definition of organic solvent (e.g., organic HAP solvent). Elsewhere in the text of the rule, the EPA has replaced the term ``organic solvent'' with the term ``organic HAP solvent.''

4. Administrative Requirements

   1. Docket

      Docket A-93-10 is an organized and complete file of all of the information submitted to, or otherwise considered by, the EPA in the development of this rulemaking. The docket is a dynamic file, since material is added throughout the rulemaking development. The docketing system is intended to allow members of the public to readily identify and locate documents to enable them to participate effectively in the rulemaking process. The contents of the docket serve as the record for purposes of judicial review (except for interagency review materials) (section 307(d)(7)(A) of the Act, 42 U.S.C. 7607(d)(7)(A)).

   2. Paperwork Reduction Act

      There are no additional information collection requirements contained in this action. Therefore, approval under the provisions of the Paperwork Reduction Act, 44 U.S.C. 3501, et seq., is not required.

   3. Executive Order 12866 Review

      Under Executive Order 12866, the EPA must determine whether a regulatory action is ``significant'' and, therefore, subject to Office of Management and Budget (OMB) review and the requirements of the Executive Order. The Executive Order defines ``significant'' regulatory action as one that is likely to lead to a rule that may:

      (1) Have an annual effect on the economy of $100 million or more or adversely affect in a material way the economy, a sector of the economy, productivity, competition, jobs, the environment, public health or safety in State, local, or tribal governments or communities;

      (2) create a serious inconsistency or otherwise interfere with an action taken or planned by another agency;

      (3) materially alter the budgetary impact of entitlements, grants, user fees, or loan programs or the rights and obligations of recipients thereof; or

      (4) raise novel legal or policy issues arising out of legal mandates, the President's priorities, or the principles set forth in the Executive Order.

      Pursuant to the terms of the Executive Order, it has been determined that this final rule is not a ``significant regulatory action'' within the meaning of the

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      Executive Order. These amendments do not add any new control requirements.

   4. Regulatory Flexibility

      The EPA has determined that it is not necessary to prepare a regulatory flexibility analysis in connection with these final amendments to the rule. The EPA has also determined that these amendments will not have a significant economic impact on a substantial number of small entities. The changes should actually ease the compliance burden of the Wood Furniture NESHAP. The amendments issued today are expected to reduce the regulatory burden on facilities by relaxing requirements related to specified chemical compounds and by increasing one of the de minimis levels triggering regulatory action.

   5. Submission to Congress and the General Accounting Office

      The Congressional Review Act, 5 U.S.C. section 801, et seq., as added by the Small Business Regulatory Enforcement Fairness Act of 1996, generally provides that before a rule may take effect, the agency promulgating the rule must submit a rule report, which includes a copy of the rule, to each House of the Congress and to the Comptroller General of the United States. The EPA will submit a report containing this rule and other required information to the United States Senate, the United States House of Representatives, and the Comptroller General of the United States prior to publication of the rule in the Federal Register. This action is not a ``major rule'' as defined by 5 U.S.C. section 804(2).

   6. Unfunded Mandates Reform Act

      Title II of the Unfunded Mandates Reform Act of 1995 (UMRA), Pub.L. 104-4, establishes requirements for Federal agencies to assess the effects of their regulatory actions on State, local, and tribal governments and the private sector. Under section 202 of the UMRA, the EPA generally must prepare a written statement, including a cost- benefit analysis, for proposed and final rules with ``Federal mandates'' that may result in expenditures to State, local, and tribal governments, in the aggregate, or to the private sector, of $100 million or more in any one year. Before promulgating an EPA rule for which a written statement is needed, section 205 of the UMRA generally requires the EPA to identify and consider a reasonable number of regulatory alternatives and adopt the least costly, most cost- effective, or least burdensome alternative that achieves the objectives of the rule. The provisions of section 205 do not apply when they are inconsistent with applicable law. Moreover, section 205 allows the EPA to adopt an alternative other than the least costly, most cost- effective, or least burdensome alternative if the Administrator publishes with the final rule an explanation why that alternative was not adopted. Before the EPA establishes any regulatory requirements that may significantly or uniquely affect small governments, including tribal governments, it must have developed under section 203 of the UMRA a small government agency plan. The plan must provide for notifying potentially affected small governments, enabling officials of affected small governments to have meaningful and timely input in the development of EPA regulatory proposals with significant Federal intergovernmental mandates, and informing, educating, and advising small governments on compliance with the regulatory requirements.

      The EPA has determined that the action promulgated today does not include a Federal mandate that may result in estimated costs of $100 million or more to either State, local, or tribal governments, in the aggregate, or to the private sector in any one year. The changes finalized in this action will generally ease compliance for entities owning or operating wood furniture manufacturing facilities. The rule does not impose enforceable duties on State, local, or tribal governments. Therefore, the requirements of sections 202 and 205 of the UMRA do not apply to this action.

      The EPA has likewise determined that the action promulgated today does not include any regulatory requirements that might significantly or uniquely affect small governments. Today's action does not impose any enforceable duties on small governments. Thus, today's action is not subject to the requirements of section 203 of the UMRA.

   7. National Technology Transfer and Advancement Act

      Section 12(d) of the National Technology Transfer and Advancement Act of 1995 (NTTAA), Pub. L. No. 104-113, section 12(d) (15 U.S.C. 272 note), directs the EPA to use voluntary consensus standards in its regulatory activities unless to do so would be inconsistent with applicable law or otherwise impractical. Voluntary consensus standards are technical standards (e.g., materials specifications, test methods, sampling procedures, business practices, etc.) that are developed or adopted by voluntary consensus standard bodies. The NTTAA requires the EPA to provide Congress, through OMB, explanations when the Agency decides not to use available and applicable voluntary consensus standards.

      This regulatory action makes amendments to the final rule that do not involve any technical standards that would require the EPA to consider voluntary consensus standards pursuant to section 12(d) of the NTTAA.

   8. Executive Order 12875: Enhancing Intergovernmental Partnership

      Under Executive Order 12875, the EPA may not issue a regulation that is not required by statute and that creates a mandate upon a State, local, or tribal government, unless the Federal government provides the funds necessary to pay the direct compliance costs incurred by those governments, or the EPA consults with those governments. If the EPA complies by consulting, Executive Order 12875 requires the EPA to provide to the OMB a description of the extent of the EPA's prior consultation with representatives of affected State, local, and tribal governments, the nature of their concerns, any written communications from the governments, and a statement supporting the need to issue the regulation. In addition, Executive Order 12875 requires the EPA to develop an effective process permitting elected officials and other representatives of State, local, and tribal governments ``to provide meaningful and timely input in the development of regulatory proposals containing significant unfunded mandates.''

      Today's amendments to the rule do not create a mandate on State, local, or tribal governments. The amendments do not impose any enforceable duties on these entities. Accordingly, the requirements of section 1(a) of Executive Order 12875 do not apply to this rule.

1. Executive Order 13045: Protection of Children From Environmental Health Risks and Safety Risks

   Executive Order 13045, ``Protection of Children from Environmental Health Risks and Safety Risks'' (62 FR 19885, April 23, 1997), applies to any rule that: (1) is determined to be ``economically significant'' as defined under Executive Order 12866, and (2) concerns an environmental health or safety risk that EPA has reason to believe may have a disproportionate effect on children. If the regulatory action meets both criteria, the EPA must evaluate the environmental health or safety effects of the planned rule on children, and

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   explain why the planned regulation is preferable to other potentially effective and reasonably feasible alternatives considered by the Agency.

   This final rule is not subject to the Executive Order because it is not economically significant as defined in Executive Order 12866, and because it does not involve decisions on environmental health risks or safety risks that may disproportionately affect children.

   10. Executive Order 13084: Consultation and Coordination With Indian Tribal Governments

   Under Executive Order 13084, the EPA may not issue a regulation that is not required by statute, that significantly or uniquely affects the communities of Indian tribal governments, and that imposes substantial direct compliance costs on those communities, unless the Federal government provides the funds necessary to pay the direct compliance costs incurred by the tribal governments, or the EPA consults with those governments. If the EPA complies by consulting, Executive Order 13084 requires the EPA to provide to the OMB, in a separately identified section of the preamble to the rule, a description of the extent of the EPA's prior consultation with representatives of affected tribal governments, a summary of the nature of their concerns, and a statement supporting the need to issue the regulation. In addition, Executive Order 13084 requires the EPA to develop an effective process permitting elected officials and other representatives of Indian tribal governments ``to provide meaningful and timely input in the development of regulatory policies on matters that significantly or uniquely affect their communities.''

   Today's amendments to the rule do not significantly or uniquely affect the communities of Indian tribal governments. The amendments issued today do not add any new requirements that are significantly or uniquely applicable to tribal communities or governments, or that will impose substantial compliance costs on these communities. Today's action will generally ease the compliance burden of wood furniture manufacturers subject to this rule. Accordingly, the requirements of section 3(b) of Executive Order 13084 do not apply to this rule.

   List of Subjects in 40 CFR Part 63

   Environmental protection, Air pollution control, Hazardous substances, Reporting and recordkeeping requirements, Wood furniture manufacturing.

   Dated: December 18, 1998. Carol M. Browner, Administrator.

   For the reasons set out in the preamble, title 40, chapter I of the Code of Federal Regulations is amended as follows:

   PART 63--[AMENDED]

   1. The authority citation for Part 63 continues to read as follows:

   Authority: 42 U.S.C. 7401, et seq.

   Subpart JJ--National Emissions Standards for Wood Furniture Manufacturing Operations

   2. Section 63.801 is amended by revising the definitions for ``Cleaning operations,'' ``Disposed offsite,'' ``Equipment leak,'' ``Recycled onsite,'' ``Strippable spray booth material,'' ``VHAP of potential concern,'' and ``Washoff operations'' and by removing the definition of ``Organic solvent'' and adding a definition of ``Organic HAP solvent'' to read as follows:

   Sec. 63.801 Definitions.

   * * * * *

   Cleaning operations means operations in which organic HAP solvent is used to remove coating materials or adhesives from equipment used in wood furniture manufacturing operations. * * * * *

   Disposed offsite means sending used organic HAP solvent or coatings outside of the facility boundaries for disposal. * * * * *

   Equipment leak means emissions of VHAP from pumps, valves, flanges, or other equipment used to transfer or apply coatings, adhesives, or organic HAP solvents. * * * * *

   Organic HAP solvent means a HAP that is a volatile organic liquid used for dissolving or dispersing constituents in a coating or contact adhesive, adjusting the viscosity of a coating or contact adhesive, or cleaning equipment. When used in a coating or contact adhesive, the organic HAP solvent evaporates during drying and does not become a part of the dried film. * * * * *

   Recycled onsite means the reuse of an organic HAP solvent in a process other than cleaning or washoff. * * * * *

   Strippable spray booth material means a coating that:

   (1) Is applied to a spray booth wall to provide a protective film to receive over spray during finishing operations;

   (2) That is subsequently peeled off and disposed; and

   (3) By achieving (1) and (2) of this definition reduces or eliminates the need to use organic HAP solvents to clean spray booth walls. * * * * *

   VHAP of potential concern means any VHAP from the list in table 6 of this subpart. * * * * *

   Washoff operations means those operations in which organic HAP solvent is used to remove coating from wood furniture or a wood furniture component. * * * * *

   3. Section 63.803 is amended by revising paragraphs (c)(1), (d), (f), (i), (j), and (l)(6) to read as follows:

   Sec. 63.803 Work practice standards

   * * * * *

   (c) * * *

   (1) A minimum visual inspection frequency of once per month for all equipment used to transfer or apply coatings, adhesives, or organic HAP solvents; * * * * *

   (d) Cleaning and washoff solvent accounting system. Each owner or operator of an affected source shall develop an organic HAP solvent accounting form to record:

   (1) The quantity and type of organic HAP solvent used each month for washoff and cleaning, as defined in Sec. 63.801 of this subpart;

   (2) The number of pieces washed off, and the reason for the washoff; and

   (3) The quantity of spent organic HAP solvent generated from each washoff and cleaning operation each month, and whether it is recycled onsite or disposed offsite. * * * * *

   (f) Spray booth cleaning. Each owner or operator of an affected source shall not use compounds containing more than 8.0 percent by weight of VOC for cleaning spray booth components other than conveyors, continuous coaters and their enclosures, or metal filters, or plastic filters unless the spray booth is being refurbished. If the spray booth is being refurbished, that is the spray booth coating or other protective material used to cover the booth is being replaced, the affected source shall use no more than 1.0 gallon of organic HAP solvent per booth to prepare the surface of the booth prior to applying the booth coating. * * * * *

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   (i) Line cleaning. Each owner or operator of an affected source shall pump or drain all organic HAP solvent used for line cleaning into a normally closed container. * * * * *

   (j) Gun cleaning. Each owner or operator of an affected source shall collect all organic HAP solvent used to clean spray guns into a normally closed container. * * * * *

   (l) * * *

   (6) If, after November 1998, an affected source uses a VHAP of potential concern listed in table 6 of this subpart for which a baseline level has not been previously established, then the baseline level shall be established as the de minimis level provided in that same table for that chemical. The affected source shall track the annual usage of each VHAP of potential concern identified in this paragraph that is present in amounts subject to MSDS reporting as required by OSHA. If usage of the VHAP of potential concern exceeds the de minimis level listed in table 6 of this subpart for that chemical, then the affected source shall provide an explanation to the permitting authority that documents the reason for the exceedance of the de minimis level. If the explanation is not one of those listed in paragraphs (l)(4)(i) through (l)(4)(iv) of this section, the affected source shall follow the procedures in paragraph (l)(5) of this section.

   4. Table 2 of subpart JJ is revised to read as follows:

   Table 2.--List of Volatile Hazardous Air Pollutants

   Chemical name

   CAS No.

   Acetaldehyde................................................. 75070 Acetamide.................................................... 60355 Acetonitrile................................................. 75058 Acetophenone................................................. 98862 2-Acetylaminofluorine........................................ 53963 Acrolein..................................................... 107028 Acrylamide................................................... 79061 Acrylic acid................................................. 79107 Acrylonitrile................................................ 107131 Allyl chloride............................................... 107051 4-Aminobiphenyl.............................................. 92671 Aniline...................................................... 62533 o-Anisidine.................................................. 90040 Benzene...................................................... 71432 Benzidine.................................................... 92875 Benzotrichloride............................................. 98077 Benzyl chloride.............................................. 100447 Biphenyl..................................................... 92524 Bis (2-ethylhexyl) phthalate (DEHP).......................... 117817 Bis (chloromethyl) ether..................................... 542881 Bromoform.................................................... 75252 1,3-Butadiene................................................ 106990 Carbon disulfide............................................. 75150 Carbon tetrachloride......................................... 56235 Carbonyl sulfide............................................. 463581 Catechol..................................................... 120809 Chloroacetic acid............................................ 79118 2-Chloroacetophenone......................................... 532274 Chlorobenzene................................................ 108907 Chloroform................................................... 67663 Chloromethyl methyl ether.................................... 107302 Chloroprene.................................................. 126998 Cresols (isomers and mixture)................................ 1319773 o-Cresol..................................................... 95487 m-Cresol..................................................... 108394 p-Cresol..................................................... 106445 Cumene....................................................... 98828 2,4-D (2,4-Dichlorophenoxyacetic acid, including salts and esters)..................................................... 94757 DDE (1,1-Dichloro-2,2-bis(p-chlorophenyl)ethylene)........... 72559 Diazomethane................................................. 334883 Dibenzofuran................................................. 132649 1,2-Dibromo-3-chloropropane.................................. 96128 Dibutylphthalate............................................. 84742 1,4-Dichlorobenzene.......................................... 106467 3,3'-Dichlorobenzidine....................................... 91941 Dichloroethyl ether (Bis(2-chloroethyl)ether)................ 111444 1,3-Dichloropropene.......................................... 542756 Diethanolamine............................................... 111422 N,N-Dimethylaniline.......................................... 121697 Diethyl sulfate.............................................. 64675 3,3'-Dimethoxybenzidine...................................... 119904 4-Dimethylaminoazobenzene.................................... 60117 3,3'-Dimethylbenzidine....................................... 119937 Dimethylcarbamoyl chloride................................... 79447 N,N-Dimethylformamide........................................ 68122 1,1-Dimethylhydrazine........................................ 57147 Dimethyl phthalate........................................... 131113 Dimethyl sulfate............................................. 77781 4,6-Dinitro-o-cresol, and salts.............................. 534521 2,4-Dinitrophenol............................................ 51285 2,4-Dinitrotoluene........................................... 121142 1,4-Dioxane (1,4-Diethyleneoxide)............................ 123911 1,2-Diphenylhydrazine........................................ 122667 Epichlorohydrin (1-Chloro-2,3-epoxypropane).................. 106898 1,2-Epoxybutane.............................................. 106887 Ethyl acrylate............................................... 140885 Ethylbenzene................................................. 100414 Ethyl carbamate (Urethane)................................... 51796 Ethyl chloride (Chloroethane)................................ 75003 Ethylene dibromide (Dibromoethane)........................... 106934 Ethylene dichloride (1,2-Dichloroethane)..................... 107062 Ethylene glycol.............................................. 107211 Ethylene oxide............................................... 75218 Ethylenethiourea............................................. 96457 Ethylidene dichloride (1,1-Dichloroethane)................... 75343 Formaldehyde................................................. 50000 Glycolethers ‹SUP›a............................................... ......... Hexachlorobenzene............................................ 118741 Hexachloro-1,3-butadiene..................................... 87683 Hexachloroethane............................................. 67721 Hexamethylene-1,6-diisocyanate............................... 822060 Hexamethylphosphoramide...................................... 680319 Hexane....................................................... 110543 Hydrazine.................................................... 302012 Hydroquinone................................................. 123319 Isophorone................................................... 78591 Maleic anhydride............................................. 108316 Methanol..................................................... 67561 Methyl bromide (Bromomethane)................................ 74839 Methyl chloride (Chloromethane).............................. 74873 Methyl chloroform (1,1,1-Trichloroethane).................... 71556 Methyl ethyl ketone (2-Butanone)............................. 78933 Methylhydrazine.............................................. 60344 Methyl iodide (Iodomethane).................................. 74884 Methyl isobutyl ketone (Hexone).............................. 108101 Methyl isocyanate............................................ 624839 Methyl methacrylate.......................................... 80626 Methyl tert-butyl ether...................................... 1634044 4,4'-Methylenebis (2-chloroaniline).......................... 101144 Methylene chloride (Dichloromethane)......................... 75092 4,4'-Methylenediphenyl diisocyanate (MDI).................... 101688 4,4'-Methylenedianiline...................................... 101779 Naphthalene.................................................. 91203 Nitrobenzene................................................. 98953 4-Nitrobiphenyl.............................................. 92933 4-Nitrophenol................................................ 100027 2-Nitropropane............................................... 79469 N-Nitroso-N-methylurea....................................... 684935 N-Nitrosodimethylamine....................................... 62759 N-Nitrosomorpholine.......................................... 59892 Phenol....................................................... 108952 p-Phenylenediamine........................................... 106503 Phosgene..................................................... 75445 Phthalic anhydride........................................... 85449 Polychlorinated biphenyls (Aroclors)......................... 1336363 Polycyclic Organic Matter ‹SUP›b ................................. ......... 1,3-Propane sultone.......................................... 1120714 beta-Propiolactone........................................... 57578 Propionaldehyde.............................................. 123386 Propoxur (Baygon)............................................ 114261 Propylene dichloride (1,2-Dichloropropane)................... 78875 Propylene oxide.............................................. 75569 1,2-Propylenimine (2-Methyl aziridine)....................... 75558 Quinone...................................................... 106514 Styrene...................................................... 100425 Styrene oxide................................................ 96093 2,3,7,8-Tetrachlorodibenzo-p-dioxin.......................... 1746016 1,1,2,2-Tetrachloroethane.................................... 79345 Tetrachloroethylene (Perchloroethylene)...................... 127184 Toluene...................................................... 108883 2,4-Toluenediamine........................................... 95807 Toluene-2,4-diisocyanate..................................... 584849 o-Toluidine.................................................. 95534 1,2,4-Trichlorobenzene....................................... 120821 1,1,2-Trichloroethane........................................ 79005 Trichloroethylene............................................ 79016 2,4,5-Trichlorophenol........................................ 95954 2,4,6-Trichlorophenol........................................ 88062 Triethylamine................................................ 121448 Trifluralin.................................................. 1582098 2,2,4-Trimethylpentane....................................... 540841 Vinyl acetate................................................ 108054 Vinyl bromide................................................ 593602 Vinyl chloride............................................... 75014 Vinylidene chloride (1,1-Dichloroethylene)................... 75354 Xylenes (isomers and mixture)................................ 1330207 o-Xylene..................................................... 95476 m-Xylene..................................................... 108383

   [[Page 71382]]

   p-Xylene..................................................... 106423

   ‹SUP›a Includes mono- and di-ethers of ethylene glycol, diethylene glycols and triethylene glycol; R-(OCH‹INF›2CH‹INF›2) RR-OR where: n = 1, 2, or 3, R = alkyl or aryl groups R'= R, H, or groups which, when removed, yield glycol ethers with the structure: R-(OCH‹INF›2CH‹INF›2)‹INF›n--OH. Polymers are excluded from the glycol category. ‹SUP›b Includes organic compounds with more than one benzene ring, and which have a boiling point greater than or equal to 100 deg.C.

   5. Table 4 of subpart JJ is revised to read as follows:

   Table 4.--Pollutants Excluded From Use in Cleaning and Washoff Solvents

   Chemical name

   CAS No.

   4-Aminobiphenyl.............................................. 92671 Styrene oxide................................................ 96093 Diethyl sulfate.............................................. 64675 N-Nitrosomorpholine.......................................... 59892 Dimethyl formamide........................................... 68122 Hexamethylphosphoramide...................................... 680319 Acetamide.................................................... 60355 4,4'-Methylenedianiline...................................... 101779 o-Anisidine.................................................. 90040 2,3,7,8-Tetrachlorodibenzo-p-dioxin.......................... 1746016 Beryllium salts.............................................. ......... Benzidine.................................................... 92875 N-Nitroso-N-methylurea....................................... 684935 Bis (chloromethyl) ether..................................... 542881 Dimethyl carbamoyl chloride.................................. 79447 Chromium compounds (hexavalent).............................. ......... 1,2-Propylenimine (2-Methyl aziridine)....................... 75558 Arsenic and inorganic arsenic compounds...................... 99999904 Hydrazine.................................................... 302012 1,1-Dimethyl hydrazine....................................... 57147 Beryllium compounds.......................................... 7440417 1,2-Dibromo-3-chloropropane.................................. 96128 N-Nitrosodimethylamine....................................... 62759 Cadmium compounds............................................ ......... Benzo (a) pyrene............................................. 50328 Polychlorinated biphenyls (Aroclors)......................... 1336363 Heptachlor................................................... 76448 3,3'-Dimethyl benzidine...................................... 119937 Nickel subsulfide............................................ 12035722 Acrylamide................................................... 79061 Hexachlorobenzene............................................ 118741 Chlordane.................................................... 57749 1,3-Propane sultone.......................................... 1120714 1,3-Butadiene................................................ 106990 Nickel refinery dust......................................... ......... 2-Acetylaminoflourine........................................ 53963 3,3'-Dichlorobenzidine....................................... 53963 Lindane (hexachlorcyclohexane, gamma)........................ 58899 2,4-Toluene diamine.......................................... 95807 Dichloroethyl ether (Bis(2-chloroethyl) ether)............... 111444 1,2-Diphenylhydrazine........................................ 122667 Toxaphene (chlorinated camphene)............................. 8001352 2,4-Dinitrotoluene........................................... 121142 3,3'-Dimethoxybenzidine...................................... 119904 Formaldehyde................................................. 50000 4,4'-Methylene bis (2-chloroaniline)......................... 101144 Acrylonitrile................................................ 107131 Ethylene dibromide (1,2-Dibromoethane)....................... 106934 DDE (1,1-p-chlorophenyl 1-2 dichloroethylene)................ 72559 Chlorobenzilate.............................................. 510156 Dichlorvos................................................... 62737 Vinyl chloride............................................... 75014 Coke Oven Emissions.......................................... ......... Ethylene oxide............................................... 75218 Ethylene thiourea............................................ 96457 Vinyl bromide (bromoethene).................................. 593602 Selenium sulfide (mono and di)............................... 7488564 Chloroform................................................... 67663 Pentachlorophenol............................................ 87865 Ethyl carbamate (Urethane)................................... 51796 Ethylene dichloride (1,2-Dichloroethane)..................... 107062 Propylene dichloride (1,2-Dichloropropane)................... 78875 Carbon tetrachloride......................................... 56235 Benzene...................................................... 71432 Methyl hydrazine............................................. 60344 Ethyl acrylate............................................... 140885 Propylene oxide.............................................. 75569 Aniline...................................................... 62533 1,4-Dichlorobenzene(p)....................................... 106467 2,4,6-Trichlorophenol........................................ 88062 Bis (2-ethylhexyl) phthalate (DEHP).......................... 117817 o-Toluidine.................................................. 95534 Propoxur..................................................... 114261 1,4-Dioxane (1,4-Diethyleneoxide)............................ 123911 Acetaldehyde................................................. 75070 Bromoform.................................................... 75252 Captan....................................................... 133062 Epichlorohydrin.............................................. 106898 Methylene chloride (Dichloromethane)......................... 75092 Dibenz (ah) anthracene....................................... 53703 Chrysene..................................................... 218019 Dimethyl aminoazobenzene..................................... 60117 Benzo (a) anthracene......................................... 56553 Benzo (b) fluoranthene....................................... 205992 Antimony trioxide............................................ 1309644 2-Nitropropane............................................... 79469 1,3-Dichloropropene.......................................... 542756 7, 12-Dimethylbenz(a) anthracene............................. 57976 Benz(c) acridine............................................. 225514 Indeno(1,2,3-cd)pyrene....................................... 193395 1,2:7,8-Dibenzopyrene........................................ 189559

   6. Table 5 of subpart JJ is revised to read as follows:

   Table 5.--List of VHAP of Potential Concern Identified by Industry

   EPA de CAS No.

   Chemical name

   minimis, tons/ yr

   68122.............. Dimethyl formamide.................

   1.0 50000.............. Formaldehyde.......................

   0.2 75092.............. Methylene chloride.................

   4.0 79469.............. 2-Nitropropane.....................

   1.0 78591.............. Isophorone.........................

   0.7 1000425............ Styrene monomer....................

   1.0 108952............. Phenol.............................

   0.1 111422............. Dimethanolamine....................

   5.0 109864............. 2-Methoxyethanol...................

   10.0 111159............. 2-Ethoxyethyl acetate..............

   10.0

   7. Table 6 of subpart JJ is revised to read as follow:

   [[Page 71383]]

   Table 6.--VHAP of Potential Concern

   EPA de CAS No.

   Chemical name

   minimis, tons/ yr*

   92671.............. 4-Aminobiphenyl.................... 1.0 96093.............. Styrene oxide...................... 1.0 64675.............. Diethyl sulfate.................... 1.0 59892.............. N-Nitrosomorpholine................ 1.0 68122.............. Dimethyl formamide................. 1.0 680319............. Hexamethylphosphoramide............ 0.01 60355.............. Acetamide.......................... 1.0 101779............. 4,4'-Methylenedianiline............ 1.0 90040.............. o-Anisidine........................ 1.0 1746016............ 2,3,7,8-Tetrachlorodibenzo-p-dioxin 0.00000006 92875.............. Benzidine.......................... 0.00003 684935............. N-Nitroso-N-methylurea............. 0.00002 542881............. Bis(chloromethyl) ether............ 0.00003 79447.............. Dimethyl carbamoyl chloride........ 0.002 75558.............. 1,2-Propylenimine (2-Methyl

   0.0003 aziridine). 57147.............. 1,1-Dimethyl hydrazine............. 0.0008 96128.............. 1,2-Dibromo-3-chloropropane........ 0.001 62759.............. N-Nitrosodimethylamine............. 0.0001 50328.............. Benzo (a) pyrene................... 0.001 1336363............ Polychlorinated biphenyls

   0.0009 (Aroclors). 76448.............. Heptachlor......................... 0.002 119937............. 3,3'-Dimethyl benzidine............ 0.001 79061.............. Acrylamide......................... 0.002 118741............. Hexachlorobenzene.................. 0.004 57749.............. Chlordane.......................... 0.005 1120714............ 1,3-Propane sultone................ 0.003 106990............. 1,3-Butadiene...................... 0.007 53963.............. 2-Acetylaminoflourine.............. 0.0005 91941.............. 3,3'-Dichlorobenzidine............. 0.02 58899.............. Lindane (hexachlorocyclohexane,

   0.005 gamma). 95807.............. 2,4-Toluene diamine................ 0.002 111444............. Dichloroethyl ether (Bis(2-

   0.006 chloroethyl)ether). 122667............. 1,2--Diphenylhydrazine............. 0.009 8001352............ Toxaphene (chlorinated camphene)... 0.006 121142............. 2,4-Dinitrotoluene................. 0.002 119904............. 3,3'-Dimethoxybenzidine............ 0.01 50000.............. Formaldehyde....................... 0.2 101144............. 4,4'-Methylene bis(2-chloroaniline) 0.02 107131............. Acrylonitrile...................... 0.03 106934............. Ethylene dibromide(1,2-

   0.01 Dibromoethane). 72559.............. DDE (1,1-p-chlorophenyl 1-2

   0.01 dichloroethylene). 510156............. Chlorobenzilate.................... 0.04 62737.............. Dichlorvos......................... 0.02 75014.............. Vinyl chloride..................... 0.02 75218.............. Ethylene oxide..................... 0.09 96457.............. Ethylene thiourea.................. 0.06 593602............. Vinyl bromide (bromoethene)........ 0.06 67663.............. Chloroform......................... 0.09 87865.............. Pentachlorophenol.................. 0.07 51796.............. Ethyl carbamate (Urethane)......... 0.08 107062............. Ethylene dichloride (1,2-

   0.08 Dichloroethane). 78875.............. Propylene dichloride (1,2-

   0.1 Dichloropropane). 56235.............. Carbon tetrachloride............... 0.1 71432.............. Benzene............................ 0.2 140885............. Ethyl acrylate..................... 0.1 75569.............. Propylene oxide.................... 0.5 62533.............. Aniline............................ 0.1 106467............. 1,4-Dichlorobenzene(p)............. 0.3 88062.............. 2,4,6-Trichlorophenol.............. 0.6 117817............. Bis (2-ethylhexyl) phthalate (DEHP) 0.5 95534.............. o-Toluidine........................ 0.4 114261............. Propoxur........................... 2.0 79016.............. Trichloroethylene.................. 1.0 123911............. 1,4-Dioxane (1,4-Diethyleneoxide).. 0.6 75070.............. Acetaldehyde....................... 0.9 75252.............. Bromoform.......................... 2.0 133062............. Captan............................. 2.0 106898............. Epichlorohydrin.................... 2.0 75092.............. Methylene chloride

   4.0 (Dichloromethane). 127184............. Tetrachloroethylene

   4.0 (Perchloroethylene). 53703.............. Dibenz (ah) anthracene............. 0.01

   [[Page 71384]]

   218019............. Chrysene........................... 0.01 60117.............. Dimethyl aminoazobenzene........... 1.0 56553.............. Benzo (a) anthracene............... 0.01 205992............. Benzo (b) fluoranthene............. 0.01 79469.............. 2-Nitropropane..................... 1.0 542756............. 1,3-Dichloropropene................ 1.0 57976.............. 7,12-Dimethylbenz (a) anthracene... 0.01 225514............. Benz(c)acridine.................... 0.01 193395............. Indeno(1,2,3-cd)pyrene............. 0.01 189559............. 1,2:7,8-Dibenzopyrene.............. 0.01 79345.............. 1,1,2,2-Tetrachloroethane.......... 0.03 91225.............. Quinoline.......................... 0.0006 75354.............. Vinylidene chloride (1,1-

   0.04 Dichloroethylene). 87683.............. Hexachlorobutadiene................ 0.09 82688.............. Pentachloronitrobenzene

   0.03 (Quintobenzene). 78591.............. Isophorone......................... 0.7 79005.............. 1,1,2-Trichloroethane.............. 0.1 74873.............. Methyl chloride (Chloromethane).... 1.0 67721.............. Hexachloroethane................... 0.5 1582098............ Trifluralin........................ 0.9 1319773............ Cresols/Cresylic acid (isomers and 1.0 mixture). 108394............. m-Cresol........................... 1.0 75343.............. Ethylidene dichloride (1,1-

   1.0 Dichloroethane). 95487.............. o-Cresol........................... 1.0 106445............. p-Cresol........................... 1.0 74884.............. Methyl iodide (Iodomethane)........ 1.0 100425............. Styrene............................ 1.0 107051............. Allyl chloride..................... 1.0 334883............. Diazomethane....................... 1.0 95954.............. 2,4,5--Trichlorophenol............. 1.0 133904............. Chloramben......................... 1.0 106887............. 1,2--Epoxybutane................... 1.0 108054............. Vinyl acetate...................... 1.0 126998............. Chloroprene........................ 1.0 123319............. Hydroquinone....................... 1.0 92933.............. 4-Nitrobiphenyl.................... 1.0 56382.............. Parathion.......................... 0.1 13463393........... Nickel Carbonyl.................... 0.1 60344.............. Methyl hydrazine................... 0.006 151564............. Ethylene imine..................... 0.0003 77781.............. Dimethyl sulfate................... 0.1 107302............. Chloromethyl methyl ether.......... 0.1 57578.............. beta-Propiolactone................. 0.1 100447............. Benzyl chloride.................... 0.04 98077.............. Benzotrichloride................... 0.0006 107028............. Acrolein........................... 0.04 584849............. 2,4--Toluene diisocyanate.......... 0.1 75741.............. Tetramethyl lead................... 0.01 78002.............. Tetraethyl lead.................... 0.01 12108133........... Methylcyclopentadienyl manganese... 0.1 624839............. Methyl isocyanate.................. 0.1 77474.............. Hexachlorocyclopentadiene.......... 0.1 62207765........... Fluomine........................... 0.1 10210681........... Cobalt carbonyl.................... 0.1 79118.............. Chloroacetic acid.................. 0.1 534521............. 4,6-Dinitro-o-cresol, and salts.... 0.1 101688............. Methylene diphenyl diisocyanate.... 0.1 108952............. Phenol............................. 0.1 62384.............. Mercury, (acetato-o) phenyl........ 0.01 98862.............. Acetophenone....................... 1.0 108316............. Maleic anhydride................... 1.0 532274............. 2-Chloroacetophenone............... 0.06 51285.............. 2,4-Dinitrophenol.................. 1.0 109864............. 2-Methyoxy ethanol................. 10.0 98953.............. Nitrobenzene....................... 1.0 74839.............. Methyl bromide (Bromomethane)...... 10.0 75150.............. Carbon disulfide................... 1.0 121697............. N,N-Dimethylaniline................ 1.0 106514............. Quinone............................ 5.0 123386............. Propionaldehyde.................... 5.0 120809............. Catechol........................... 5.0

   [[Page 71385]]

   85449.............. Phthalic anhydride................. 5.0 463581............. Carbonyl sulfide................... 5.0 132649............. Dibenzofurans...................... 5.0 100027............. 4-Nitrophenol...................... 5.0 540841............. 2,2,4-Trimethylpentane............. 5.0 111422............. Diethanolamine..................... 5.0 822060............. Hexamethylene-1,6-diisocyanate..... 5.0 Glycol ethers‹SUP›a..................... 5.0 Polycyclic organic matter‹SUP›b......... 0.01

   * These values are based on the de minimis levels provided in the proposed rulemaking pursuant to section 112(g) of the Act using a 70- year lifetime exposure duration for all VHAP. Default assumptions and the de minimis values based on inhalation reference doses (RfC) are not changed by this adjustment. ‹SUP›a Except for ethylene glycol butyl ether, ethylene glycol ethyl ether (2- ethoxy ethanol), ethylene glycol hexyl ether, ethylene glycol methyl ether (2-methoxyethanol), ethylene glycol phenyl ether, ethylene glycol propyl ether, ethylene glycol mono-2-ethylhexyl ether, diethylene glycol butyl ether, diethylene glycol ethyl ether, diethylene glycol methyl ether, diethylene glycol hexyl ether, diethylene glycol phenyl ether, diethylene glycol propyl ether, triethylene glycol butyl ether, triethylene glycol ethyl ether, triethylene glycol methyl ether, triethylene glycol propyl ether, ethylene glycol butyl ether acetate, ethylene glycol ethyl ether acetate, and diethylene glycol ethyl ether acetate. ‹SUP›b Except for benzo(b)fluoranthene, benzo(a)anthracene, benzo(a)pyrene, 7,12-dimethylbenz(a)anthracene, benz(c)acridine, chrysene, dibenz(ah) anthracene, 1,2:7,8-dibenzopyrene, indeno(1,2,3-cd)pyrene, but including dioxins and furans.

   [FR Doc. 98-34308Filed12-24-98; 8:45 am]

   BILLING CODE 6560-50-P