020-12 Wyo. Code R. § 12-13 - Chemical Application

(a) 2018 TSS, parts 5.0.2 and 5.0.2(f), general, chemical application; 5.0.3-5.0.3(h), general, general equipment design; 5.1.2-5.1.2(e)(4), feed equipment, control; 5.1.3-5.1.3(c), feed equipment, dry chemical feeders; 5.1.4-5.1.4(d), feed equipment, positive displacement solution feed pumps; 5.1.5-5.1.5(d), feed equipment, liquid chemical feeders-siphon control; 5.1.6-5.1.6(d), feed equipment, cross-connection control; 5.1.8-5.1.8(e), feed equipment, in-plant water supply; 5.1.9(a)(1-3), (b), and (d)(1-2), feed equipment, storage of chemicals; 5.1.10-5.1.10(j), feed equipment, bulk liquid storage tanks; 5.1.11-5.1.11(h), feed equipment, day tanks; 5.1.12-5.1.12(e), feed equipment, feed lines; 5.1.13-5.1.13(d); feed equipment, handling; 5.1.14-5.1.14(b), feed equipment, housing; 5.3.2, operator safety, respiratory protection equipment; 5.3.3, operator safety, chlorine gas leak detection; 5.4.1(d)(1-5) and (7-10), (f), and (h)(1-5), specific chemicals, chlorine gas; 5.4.2-5.4.2(b), specific chemicals, acids and caustics; 5.4.3-5.4.3(c)(5), specific chemicals, sodium chlorite; 5.4.4-5.4.4(b)(5), specific chemicals, sodium hypochlorite; are herein incorporated by reference.
(b) Chemical application facility designs shall comply with the following requirements:
(i) A separate feeder shall be used for each chemical applied; and
(ii) Chemical storage tanks shall be constructed of materials that are resistant to the chemicals stored. Tanks shall maintain structural integrity while in use.
(c) Chemical application facilities shall include an alarm for high effluent turbidity, low chlorine residual, and chlorine leaks when chlorine gas is used. The alarm shall be located at an attended location.

Notes

020-12 Wyo. Code R. § 12-13
Amended, Eff. 7/26/2023.

State regulations are updated quarterly; we currently have two versions available. Below is a comparison between our most recent version and the prior quarterly release. More comparison features will be added as we have more versions to compare.