N.M. Admin. Code § 20.5.120.2015

Current through Register Vol. 35, No. 23, December 10, 2024

Section 20.5.120.2015 - REPORTS ON THE MONITORED NATURAL ATTENUATION

A. Owners and operators shall submit paper and electronic copies of written reports to the department on the progress of the monitored natural attenuation. Owners and operators shall submit the reports annually unless a different reporting period is approved by the department and shall document all work performed during the preceding interval and shall include at a minimum the following information, as appropriate:

(1) a site plan drawn to scale of no less than one inch equals 40 feet, showing all existing buildings, structures, paved areas, utilities, buried utility trenches, former and existing storage tanks and ancillary equipment, other sources of contamination, extent and magnitude of contamination, and existing and proposed monitoring wells;

(2) a topographic map of appropriate scale showing the site in relation to existing and reasonably foreseeable future receptors;

(3) concentration contour maps depicting the extent and magnitude of the contaminants of concern and the designated monitoring wells in relation to the site;

(4) tabulation of the current and historical results of all water quality analyses and water elevation data;

(5) graphs of appropriate scale of the current and historical water quality analyses and water elevation data versus time;

(6) data evaluation and interpretation, and recommendations; and

(7) other information required by the department.

B. Owners and operators shall submit the report within 30 days of the end of the reporting period or as otherwise approved by the department.

N.M. Admin. Code § 20.5.120.2015

Adopted by New Mexico Register, Volume XXIX, Issue 14, July 24, 2018, eff. 7/24/2018