Wash. Admin. Code § 173-160-442

Current through Register Vol. 24-20, October 15, 2024

Section 173-160-442 - What are the limitations for use of drilling materials?

(1) At no time shall a product contain materials that:

(a) Are toxic or polluting;

(b) Develop odor or color changes in the water; or

(c) Serve as a microbial nutrient.

(2) Organic materials which foster or promote undesired organic growth or have the potential to degrade water quality shall not be employed in the construction of a resource protection well. This includes, but is not limited to, brans, hulls, grains, starches, and proteins, unless NSF/ANSI approved.

Wash. Admin. Code § 173-160-442

Statutory Authority: Chapter 18.104 RCW. 09-01-125 (Order 08-10), § 173-160-442, filed 12/19/08, effective 1/19/09.