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Federal Register / Vol. 86, No. 44 / Tuesday, March 9, 2021 / Proposed Rules C. What is the purpose of the submitted rules?
II. The EPAs Evaluation and Action A. How is the EPA evaluating the rules?
B. Do the rules meet the evaluation criteria?
C. EPA Recommendations To Further Improve the Rules D. Public Comment and Proposed Action
III. Incorporation by Reference IV. Statutory and Executive Order Reviews
I. The States Submittal
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were adopted by the local air agencies and submitted by the California Air Resources Board CARB.

A. What rules did the State submit?
Table 1 lists the rules addressed by this proposal with the dates that they
TABLE 1SUBMITTED RULES
Local agency
Rule No.

EDCAQMD
SCAQMD

215
102

On November 9, 2020, the EPA
determined that the submittals for EDCAQMD Rule 215 and SCAQMD
Rule 102 met the completeness criteria in 40 CFR part 51 Appendix V, which must be met before formal EPA review.
B. Are there other versions of these rules?
There is a previous version of EDAQMD Rule 215 in the SIP, which was adopted on September 27, 1994, submitted to EPA by CARB on November 30, 1994, and approved into the SIP on January 1, 1996 61 FR
37390.
There is a previous version of SCAQMD Rule 102 in the SIP, which was amended on December 3, 2004, summited to EPA by CARB on June 16, 2006, and approved into the SIP on January 8, 2007 72 FR 656.

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C. What is the purpose of the submitted rules?
VOCs contribute to the production of ground-level ozone, smog and particulate matter, which harm human health and the environment. Section 110a of the CAA requires states to submit regulations that control VOC
emissions. Architectural coatings are coatings that are applied to stationary structures and their accessories. They include house paints, stains, industrial maintenance coatings, traffic coatings, and many other products. VOCs are emitted from the coatings during application and curing, and from the associated solvents used for thinning and clean-up.
The EDCAQMD Rule 215 controls VOC emissions from architectural coatings by establishing VOC limits on architectural coatings supplied, sold, offered for sale, manufactured, blended, or repackaged for use within the EDCAQMD, as well as architectural coatings applied or solicited for application within the District. The revisions to Rule 215 include aligning
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Revised/
amended
Rule title Architectural Coatings
Definition of Terms

the rule with CARBs Suggested Control Measure for Architectural Coatings, approved in 2007, and lowering many of the rules VOC limits.
The technical support document TSD
has more information about this rule.
The purpose of the submitted rule revisions for SCAQMD Rule 102 is to clarify and update definitions in the rule. The revisions, submitted on September 16, 2020, add the following five compounds to the list of exempt compounds:
Methyl formate propylene carbonate 1,1,1,2,3,3,3-heptafluoropropane HFC227ea trans-1,3,3,3-tetrafluoropropene HFO1234ze trans-1-chloro-3,3,3-trifluoropropene HFO-1233zd 1
II. The EPAs Evaluation and Action A. How is the EPA evaluating the rules?
SIP rules must be enforceable see CAA section 110a2, must not interfere with applicable requirements concerning attainment and reasonable further progress or other CAA
requirements see CAA section 110l, and must not modify certain SIP control requirements in nonattainment areas without ensuring equivalent or greater emissions reductions see CAA section 193.
Generally, SIP rules must require Reasonably Available Control Technology RACT for each category of sources covered by a Control Techniques Guidelines CTG document as well as each major source of VOCs in ozone nonattainment areas classified as Moderate or above see CAA section 182b2. The EDCAQMD has been designated as Severe nonattainment for 1 The Environmental Protection Agency lists this compound as trans 1-chloro-3,3,3-trifluoroprop-1ene. See 40 CFR 51.100s1. It is identical to the version that SCAQMD lists. They both have the same Chemical Abstract Services registry number of 102687650 and molecular formula of C3H2ClF3.

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the 1997 and the 2008 8-hour ozone National Ambient Air Quality Standards NAAQS and Moderate for the 2015 8hour ozone NAAQS 40 CFR 81.305.
Because there is no relevant EPA CTG
document for architectural coatings and because there are no major architectural coating sources within the EDCAQMD, architectural coatings are not subject to RACT requirements. However, architectural coatings are subject to other VOC content limits and control measures described in the TSD. The SCAQMD regulates an ozone nonattainment area classified as Extreme for the 1997, 2008 and 2015 8hour ozone NAAQS 40 CFR 81.305.
However, the revisions to the SCAQMD
definitions rule do not have a direct effect on air pollution emissions and are intended to improve clarity and enforceability of other SCAQMD rules, and thus are not subject to RACT
requirements.
Guidance and policy documents that we used to evaluate enforceability, revision/relaxation and rule stringency requirements for the applicable criteria pollutants include the following:
1. State Implementation Plans; General Preamble for the Implementation of Title I of the Clean Air Act Amendments of 1990, 57
FR 13498, April 16, 1992 and 57 FR 18070, April 28, 1992.
2. Issues Relating to VOC Regulation Cutpoints, Deficiencies, and Deviations the Bluebook, U.S. EPA, May 25, 1988;
revised January 11, 1990.
3. Guidance Document for Correcting Common VOC & Other Rule Deficiencies the Little Bluebook, EPA Region 9, August 21, 2001.
4. National Volatile Organic Compound Emission Standards for Architectural Coatings, 40 CFR 59, Subpart D.
5. CARB Suggested Control Measure for Architectural Coatings, Approved 2007.
6. Code of Federal Regulations, Title 40, Chapter C, Part 51, Subpart F, Section 51.100 s 1, Definitions 40 CFR 51.100.

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