5 Colo. Code Regs. § 1002-35.33

Current through Register Vol. 47, No. 11, June 10, 2024
Section 5 CCR 1002-35.33 - STATEMENT OF BASIS SPECIFIC STATUTORY AUTHORITY AND PURPOSE JUNE 13, 2011 RULEMAKING REGARDING TEMPORARY MODIFICATIONS; EFFECTIVE DATE JANUARY 1,2012

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

The Commission's decision to delay consideration of nutrient criteria until March 2012 resulted in cancelation of the December 2011 review of temporary modifications and a three-month delay of the Regulation #35 basin-wide review. Accordingly, the Commission considered the expiration dates of temporary modifications expiring on or before December 31, 2012 in a written comment rulemaking. The Commission extended the expiration dates of the following temporary modifications to March 31, 2013. They would be reviewed during the September 2012 basin-wide rulemaking hearing.

Upper Gunnison segment 8 (Cd)

Upper Gunnison segment 12 (Cd, Zn)

Upper Gunnison segment 16 (Zn)

North Fork Gunnison segment 3 (Se)

North Fork Gunnison segment 5 (Se)

North Fork Gunnison segment 6b (Fe, Se)

Uncompahgre segment 3a (Cd, Fe)

Uncompahgre segment 4b (Se)

Uncompahgre segment 12 (Se)

Lower Gunnison segment 2 (Se)

Lower Gunnison segment 4a (Se)

Lower Gunnison segment 7 (Fe, Se)

San Miguel segment 2 (Cd)

San Miguel segment 3b (Cd, Zn)

The following temporary modifications were deleted because they will have expired as of the effective date of this revision:

Lower Gunnison segment 4a (NHs)

San Miguel segment 5 (NHs).

5 CCR 1002-35.33

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