GroundRules
40 CFR 147.1153: Existing Class II disposal wells authorized by rule in Indian country.
Where this section sits in the code
- Title 40—Protection of Environment
- CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
- SUBCHAPTER D—WATER PROGRAMS
- PART 147—STATE, TRIBAL, AND EPA-ADMINISTERED UNDERGROUND INJECTION CONTROL PROGRAMS
- Subpart X—Michigan
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) of this chapter as applicable; or
(b) A value for well head pressure calculated by using the following formula:
Pm = (0.800−0.433 Sg)d
Where:
Pm = injection pressure at the well head in pounds per square inch.
Sg = specific gravity of injected fluid (unitless).
d = injection depth in feet.
Collected 2026-08-27T02:26:04Z. Source file · JSON