40 CFR 147.305 - Requirements for all wells.
(1) A Pipe analysis log; or
(2) A Caliper log.
(1) Not construct a well deeper than 500 feet;
(2) Use cement and additives compatible with such casing material;
(3) Cement the annular space above the injection interval from the bottom of the blank casing to the surface.
(1) Protect USDWs by:
(i) Setting surface casing 50 feet below the base of the lowermost USDW;
(ii) Cementing surface casing by recirculating the cement to the surface from a point 50 feet below the lowermost USDW; or
(iii) Isolating all USDWs by placing cement between the outermost casing and the well bore; and
(2) Isolate any injection zones by placing sufficient cement to fill the calculated space between the casing and the well bore to a point 250 feet above the injection zone; and
(3) Use cement:
(i) Of sufficient quantity and quality to withstand the maximum operating pressure;
(ii) Which is resistant to deterioration from formation and injection fluids; and
(iii) In a quantity no less than 120% of the calculated volume necessary to cement off a zone.
(f) The applicant must give separate notice of intent to apply for a permit to each owner or tenant of the land within one-quarter mile of the site. The addresses of those to whom notice is given, and a description of how notice is given, shall be submitted with the permit application. The notice shall include:
(1) Name and address of applicant;
(2) A brief description of the planned injection activities, including well location, name and depth of the injection zone, maximum injection pressure and volume, and fluid to be injected;
(3) EPA contact person; and
(4) A statement that opportunity to comment will be announced after EPA prepares a draft permit. This requirement may be waived by the Regional Administrator when he determines that individual notice to all land owners and tenants would be impractical.