Document 7M99dX65jbRoNm21LBapn90e6

Regulatory Citations that apply to both projects are: 40 CFR 63 Subpart G -- 40 CFR 63.124 -- Process Vents and Storage Vessels that are in ethylene oxide service -- procedures to determine compliance. 40 CFR 63.138 -- Process wastewater provisions -- performance standards for treatment processes managing Group 1 wastewater streams and/or residuals removed from Group 1 wastewater streams; and 40 CFR 63.138(6)(3) -- Control options: Group 1 wastewater streams for Table 9 compounds -- Reduce, by removal or destruction, the concentration of ethylene oxide to a level less than 1 parts per million by weight as determined in the procedures in 63.145(b) of this subpart; and the following general control provisions for Group 1 process wastewater streams: 40 CFR 63.132 -- Process wastewater provisions -- general 40 CFR 63.133 -- Process wastewater provisions -- wastewater tanks 40 CFR 63.134 -- Process wastewater provisions -- surface impoundments 40 CFR 63.135 -- Process wastewater provisions -- containers 40 CFR 63.136 -- Process wastewater provisions -- individual drain systems 40 CFR 63.137 -- Process wastewater provisions -- oil-water separators Page 2 Sierra Club FOIA 2025-EPA-04883 ED_Ol 8388_00000034-00002 SC_EVERSPLIT0005202