APCD General Permit GP08

APCD General Permit GP08

GENERAL CONSTRUCTION PERMIT — Oil and Gas Industry — Storage Tanks — GP08 Issuance 4, July 23, 2025

GP08 is a general construction permit for storage tanks in the oil and gas industry, Issuance 4, dated July 23, 2025. The permit covers applicability, operating terms and conditions, alternative operating scenarios, operation and maintenance plans, recordkeeping and reporting, additional requirements for sources in ozone nonattainment areas, monitoring requirements for facilities in Disproportionately Impacted (DI) Communities, general permit terms and administration, and additional requirements.

I.A.1.

"Storage Tank" means any fixed-roof storage vessel or series of storage vessels manifolded together by liquid line, with "storage vessel" defined the same way as in the federal NSPS OOOO and OOOOa standards (40 CFR Part 60).

I.B.

The permit covers oil and gas operations (exploration & production, non-E&P, midstream, and downstream) that can meet all operating conditions in Section II and all Section I requirements. Covered equipment includes: condensate, crude oil, and intermediate hydrocarbon liquid storage tanks (each with design capacity ≤10,000 barrels per vessel), and produced water storage tanks; combustion devices, vapor recovery units, or other Division-approved control equipment used to reduce emissions below Section II limits; and such equipment located at true minor or synthetic minor sources for Operating Permit, New Source Review, and MACT applicability, except as stated in conditions I.C., I.D., and I.E.

I.B.1.b.

This permit covers crude oil storage tanks with a design capacity of 10,000 barrels or less per vessel that are used to store crude oil.

I.B.1.d.

This permit covers intermediate hydrocarbon liquid storage tanks with a design capacity of 10,000 barrels or less per vessel, used for storing intermediate hydrocarbon liquid.