2 CCR 404-1-609 - INSPECTIONS

a. Unless otherwise specified by the Commission's Rules, Operators will inspect Oil and Gas Locations as set forth below. Operators will promptly investigate, and if appropriate, repair, replace, or remediate any malfunctioning equipment or process. If an Operator takes action to address any malfunctioning equipment or process identified during an inspection, the Operator will maintain documentation of the action taken, and provide it to the Director upon request. The Operator will submit documentation of the results of all Tank system inspections to the Director upon request.

b. Tank and Process Vessel Inspections. All in-service Tanks and process vessels will be inspected and maintained pursuant to one of the following applicable standards:

(1) For Tanks that are built to meet API Standard 650, as incorporated by reference in Rule 608.a.(1).B, or are greater than 30 feet in diameter, API Standard 653, Tank Inspection, Repair, Alteration, and Reconstruction, (Fifth Edition, Including Addendum 1 (2018), Addendum 2 (2020), and Errata 1 (2020)). Only the fifth edition (2018, including 2020 Addendum 2 and Errata 1) of API Standard 653 apply; later amendments do not apply. All materials incorporated by reference in this Rule are available for public inspection during normal business hours from the Public Room Administrator at the office of the Commission, 1120 Lincoln Street, Suite 801, Denver, CO 80203. In addition, these materials are available from API, 1220 L Street, NW, Washington, DC 20005-4070.

(2) For all other Tanks, either:

A. API Standard 12R1, Recommended Practice for Setting, Maintenance, Inspection, Operation, and Repair of Tanks in Production Service (6th edition March 2020). Only the 6th edition (March 2020) of API Standard 12R1 applies; later amendments do not apply. All materials incorporated by reference in this Rule are available for public inspection during normal business hours from the Public Room Administrator at the office of the Commission, 1120 Lincoln Street, Suite 801, Denver, CO 80203. In addition, these materials are available from API, 1220 L Street, NW, Washington, DC 20005-4070; or

B. Steel Tank Institute ("STI") SP001, Standard for the Inspection of Aboveground Storage Tanks (January 2018). Only the January 2018 version of STI SP001 applies; later amendments do not apply. All materials incorporated by reference in this Rule are available for public inspection during normal business hours from the Public Room Administrator at the office of the Commission, 1120 Lincoln Street, Suite 801, Denver, CO 80203. In addition, these materials are available from STI, 944 Donata Court, Lake Zurich, IL 60047.

(3) For process vessels, API Standard 510, Pressure Vessel Inspector (10th edition May 2014). Only the 10th Edition (May 2014) of API Standard 510 applies to this Rule; later amendments do not apply. API Standard 510 is available for public inspection during normal business hours from the Public Room Administrator at the office of the Commission, 1120 Lincoln Street, Suite 801, Denver, CO 80203. In addition, these materials may be examined at any state publications depository library and is available from API at 1220 L Street, NW Washington, DC 20005-4070.

c. Out of Service Tanks and Process Vessels. Out of service Tanks and process vessels are not subject to the inspection standards in Rule 609.b. Operators will:

(1) Isolate or disconnect the Tank or process vessel from sources of oil, condensate, produced water, or natural gas;

(2) Depressurize and evacuate all hydrocarbons and produced water from the Tank or process vessel and test the interior of the Tank or process vessel to show that it is safe for designated entry, cleaning, or repair work.;

(3) Apply OOSLAT; and

(4) Equip any openings in the Tank or process vessel with screens or other appropriate equipment to prevent entry by wildlife, including birds and bats.

d. Audio Visual Olfactory Inspections. Operators will conduct Audio, Visual, Olfactory ("AVO") inspections of all Oil and Gas Facilities, at the same inspection frequency required by the Air Quality Control Commission Regulation 7, 5 C.C.R. §§ 1001-9:D.I.E.2.c.viii-ix & 1001-9:D:II.C.1.d (2021) ("AQCC Regulation 7"). Only the version of the AQCC Regulation 7 in effect as of January 15, 2021 applies to this Rule; later amendments do not apply. All materials incorporated by reference in this Rule are available for public inspection during normal business hours from the Public Room Administrator at the office of the Commission, 1120 Lincoln Street, Suite 801, Denver, CO 80203. In addition, AQCC Regulation 7 is available from the Colorado Department of Public Health and Environment, 4300 Cherry Creek Drive South, Denver, CO 80246, and is available online at https://www.colorado.gov/pacific/cdphe/aqcc-regs. When performing an AVO inspection, an Operator will survey the Oil and Gas Facility using audio, visual, and olfactory techniques to detect failures, leaks, Spills, or Releases, or signs of a leak, Spill, or Release.

Notes

2 CCR 404-1-609

37 CR 16, August 25, 2014, effective 9/30/2014 38 CR 01, January 10, 2015, effective 2/14/2015 38 CR 03, February 10, 2015, effective 3/2/2015 38 CR 07, April 10, 2015, effective 4/30/2015 38 CR 16, August 25, 2015, effective 9/14/2015 39 CR 04, February 25, 2016, effective 3/16/2016 41 CR 05, March 10, 2018, effective 4/1/2018 41 CR 06, March 25, 2018, effective 5/1/2018 41 CR 23, December 10, 2018, effective 12/30/2018 42 CR 02, January 25, 2019, effective 2/14/2019 42 CR 17, September 10, 2019, effective 9/30/2019 42 CR 24, December 25, 2019, effective 1/14/2020 43 CR 17, September 10, 2020, effective 9/30/2020 43 CR 13, July 10, 2020, effective 11/2/2020 43 CR 24, December 25, 2020, effective 1/15/2021 45 CR 07, April 10, 2022, effective 4/30/2022 45 CR 09, May 10, 2022, effective 5/30/2022 45 CR 13, July 10, 2022, effective 7/30/2022