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Electronic Code of Federal Regulations

e-CFR Data is current as of April 22, 2014

Title 40: Protection of Environment
PART 147—STATE, TRIBAL, AND EPA-ADMINISTERED UNDERGROUND INJECTION CONTROL PROGRAMS


Subpart F—California


Contents
§147.250   State-administered program—Class II wells.
§147.251   EPA-administered program—Class I, III, IV and V wells and Indian lands.
§147.252   Aquifer exemptions. [Reserved]
§147.253   Existing Class I, II (except enhanced recovery and hydrocarbon storage) and III wells authorized by rule.

§147.250   State-administered program—Class II wells.

The UIC program for Class II wells in the State of California, except those on Indian lands, is the program administered by the California Division of Oil and Gas, approved by EPA pursuant to SDWA section 1425.

(a) Incorporation by reference. The requirements set forth in the State statutes and regulations cited in this paragraph are hereby incorporated by reference and made a part of the applicable UIC program under the SDWA for the State of California. This incorporation by reference was approved by the Director of the Federal Register on June 25, 1984.

(1) California Laws for Conservation of Petroleum and Gas, California Public Resources Code Div. 3, Chapt. 1, §§3000-3359 (1989);

(2) California Administrative Code, title 14, §§1710 to 1724.10 (May 28, 1988).

(b) The Memorandum of Agreement between EPA Region IX and the California Division of Oil and Gas, signed by the EPA Regional Administrator on September 29, 1982.

(c) Statement of legal authority. (1) Letter from California Deputy Attorney General to the Administrator of EPA, “Re: Legal Authority of California Division of Oil and Gas to Carry Out Class II Injection Well Program,” April 1, 1981;

(2) Letter from California Deputy Attorney General to Chief of California Branch, EPA Region IX, “Re: California Application for Primacy, Class II UIC Program,” December 3, 1982.

(d) The Program Description and any other materials submitted as part of the application or as supplements thereto.

[49 FR 20197, May 11, 1984, as amended at 52 FR 17681, May 11, 1987; 56 FR 9412, Mar. 6, 1991]

§147.251   EPA-administered program—Class I, III, IV and V wells and Indian lands.

(a) Contents. The UIC program in the State of California for Class I, III, IV and V wells, and for all classes of wells on Indian lands, is administered by EPA. The program consists of the UIC program requirements of 40 CFR parts 124, 144, 146, 148, and any additional requirements set forth in the remainder of this subpart. Injection well owners and operators, and EPA shall comply with these requirements.

(b) Effective dates. The effective date for the UIC program for all lands in California, including Indian lands, is June 25, 1984.

[52 FR 17681, May 11, 1987, as amended at 56 FR 9412, Mar. 6, 1991]

§147.252   Aquifer exemptions. [Reserved]

§147.253   Existing Class I, II (except enhanced recovery and hydrocarbon storage) and III wells authorized by rule.

Maximum injection pressure. The owner or operator shall limit injection pressure to the lesser of:

(a) A value which will not exceed the operating requirements of §144.28(f)(3) (i) or (ii) as applicable; or

(b) A value for well head pressure calculated by using the following formula:

Pm=(0.733−0.433 Sg)d

where:

Pm=injection pressure at the well head in pounds per square inch

Sg=specific gravity of inject fluid (unitless)

d=injection depth in feet.



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