PDFWAC 344-12-260
Disposing of unwanted fluids encountered in oil and gas drilling and production.
Prior to disposing of unwanted fluids the operator shall identify geological formations to be used, maximum bottom hole pressure in pounds per square inch or bars and maximum rate of injection in barrels of liquid per day or cubic feet of gas per day, detailed identification of materials to be injected, including additives, filters, if any, the entire casing and cementing record of the wells to be used for injection, packers, and any special downhole equipment, certification that the mechanical integrity of the well has been tested, and facilities or systems to protect the integrity of geological target formation or to prevent fracturing of the confining strata. Prior to injection, the operator shall notify the supervisor. On acceptance of a completed permit application by the supervisor, the Washington department of ecology shall review, evaluate, and act upon the application in accordance with the rules of WAC 173-218-060. The applicant shall have approval to operate when the Washington department of ecology has approved the permit.