New Mexico Administrative Code
Title 20 - ENVIRONMENTAL PROTECTION
Chapter 5 - PETROLEUM STORAGE TANKS
Part 119 - CORRECTIVE ACTION FOR STORAGE TANK SYSTEMS CONTAINING PETROLEUM PRODUCTS
Section 20.5.119.1907 - MINIMUM SITE ASSESSMENT, PRELIMINARY AND OTHER REQUIRED INVESTIGATIONS

Universal Citation: 20 NM Admin Code 20.5.119.1907

Current through Register Vol. 35, No. 6, March 26, 2024

A. A preliminary investigation is not required when owners and operators can demonstrate that the contamination has not reached groundwater and one of the following two conditions apply:

(1) the release is remediated in accordance with this part within 72 hours of discovery or confirmation; or

(2) the release is permanently contained within the UST excavation area or the AST containment system.

B. If the contamination extends beyond the boundaries of the property where the release originated, owners and operators shall conduct a secondary investigation in accordance with 20.5.119.1910 NMAC.

C. When the horizontal and vertical extent and magnitude of contamination from the release have been characterized, and it has been demonstrated that contamination has not reached groundwater, owners and operators, if required by the department, shall perform a soil-only contamination assessment and related corrective action in accordance with 20.5.119.1912 NMAC.

D. When a potential or actual threat from vapor intrusion is identified, owners and operators, if required by the department, shall perform a petroleum vapor intrusion assessment and related corrective action in accordance with 20.5.119.1913 NMAC.

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