5 Colo. Code Regs. § 1002-35.39

Current through Register Vol. 47, No. 11, June 10, 2024
Section 5 CCR 1002-35.39 - STATEMENT OF BASIS, SPECIFIC STATUTORY AUTHORITY, AND PURPOSE: DECEMBER 8, 2014 RULEMAKING; EFFECTIVE DATE JUNE 30, 2015

The provisions of C.R.S. 25-8-202 (1)(a), (b) and (2); 25-8-203; 25-8-204; and 25-8-402; provide the specific statutory authority for adoption of these regulatory amendments. The Commission also adopted in compliance with 24-4-103(4) C.R.S. the following statement of basis and purpose.

BASIS AND PURPOSE

To remain consistent with the Commission's decisions regarding arsenic at Section 35.36 , an arsenic temporary modification was added to Upper Gunnison segment 13a, which had an existing chronic arsenic standard of 0.02 ug/l and a permitted discharger with a predicted water quality-based effluent limit compliance problem.

5 CCR 1002-35.39

38 CR 01, January 10, 2015, effective 6/30/2015
38 CR 03, February 10, 2015, effective 6/30/2015
39 CR 03, February 10, 2016, effective 3/1/2016
39 CR 03, February 10, 2016, effective 6/30/2016
39 CR 23, December 25, 2016, effective 12/30/2016
40 CR 03, February 10, 2017, effective 6/30/2017
40 CR 17, September 10, 2017, effective 12/31/2017
42 CR 04, February 25, 2019, effective 6/30/2019
43 CR 03, February 10, 2020, effective 6/30/2020
44 CR 05, March 10, 2021, effective 6/30/2021
44 CR 17, September 10, 2021, effective 12/31/2021
45 CR 17, September 10, 2022, effective 9/30/2022
46 CR 10, May 25, 2023, effective 6/14/2023