Federal Register - "Approval and Promulgation of Air Quality Implementation Plans; Delaware; Amendments to the Regulatory Definition of Volatile Organic Compounds"

Title: Approval and Promulgation of Air Quality Implementation Plans; Delaware; Amendments to the Regulatory Definition of Volatile Organic Compounds Source: Federal Register Data/Action: Environmental Protection Agency (Final Rule) Date: 12/12/2019 Text Preview: ...ENVIRONMENTAL PROTECTION AGENCY 40 CFR Part 52 [EPA-R03-OAR-2019-0429; FRL-10002-99-Region 3] Approval and Promulgation of Air Quality Implementation Plans; Delaware; Amendments to the Regulatory Definition of Volatile Organic Compounds AGENCY: Environmental Protection Agency (EPA). ACTION: Final rule. ----------------------------------------------------------------------- SUMMARY: The Environmental Protection Agency (EPA)... ...Environmental Protection Agency, Region III, 1650 Arch Street, Philadelphia, Pennsylvania 19103. The telephone number is (215) 814-2190. Ms. Malone can also be reached via electronic mail at [email protected] . SUPPLEMENTARY INFORMATION: I. Background On September 3, 2019, EPA published a notice of proposed rulemaking (NPRM) for the State of Delaware. 84 FR 45931. In the NPRM, EPA... ...EPA found that certain compounds have negligible photochemical reactivity and, therefore, has exempted them from the regulatory definition of VOC in several rulemaking actions. This revision to the Delaware SIP requested the exemption of eight compounds from the regulatory definition of VOC to match the actions EPA has taken. The revision also requested to remove the recordkeeping, reporting, modeling, and inventory requirements for t-butyl acetate (TBAC). EPA...