Section Env-Or 610.02 - Sampling and Analysis(a) At all sites that are subject to Env-Or 600, the responsible party shall: (1) Monitor groundwater quality at all sites to ensure that groundwater quality complies with the terms of the permit, if any, and the groundwater quality criteria specified in Env-Or 603.01;(2) Monitor surface water points and water supply wells to ensure that water quality complies with applicable water quality standards and the terms of the permit, if any;(3) Monitor sampling points in the active remediation system to ascertain that design treatment efficiencies are achieved;(4) Install at least one hydraulically upgradient groundwater monitoring well to monitor ambient groundwater quality; and(5) Operate and maintain the monitoring wells, piezometers, and other measurement, sampling, and analytical devices so that they perform to design specifications throughout the life of the monitoring program.(b) The parameters to be monitored shall be determined on a site-specific basis depending on the regulated contaminants present in the discharge or contaminated area.(c) The frequency and location of water quality monitoring shall be determined on a site-specific basis depending on the hydrogeologic and contaminant characteristics of the site, predicted rates of groundwater flow, and treatment methods employed.(d) Analyses shall be performed by a laboratory certified by the U.S. Environmental Protection Agency (US EPA) or the department pursuant to Env-C 300.(e) Sampling shall be performed in accordance with the following references, available as noted in Appendix B, as applicable: (1) "Practical Guide for Ground-Water Sampling," document identification number EPA/600/2-85/104, US EPA, dated September 1985;(2) "RCRA Ground-Water Monitoring: Draft Technical Guidance," document identification number PB87107751, US EPA, dated November 1992;(3) "Standards Related to Environmental Sampling", 5th Edition, document identification number ASTM SAMP14, dated 2014 (ASTM SAMP14);(4) "Compendium of Methods for the Determination of Toxic Organic Compounds in Ambient Air, Second Edition" document identification number EPA/625/R-96/010b, US EPA, dated January 1999;(5) "SW 846 Test Methods for Evaluating Solid Waste, Physical/Chemical Methods", US EPA, dated February 2007; and(6) "Standard Guide for Sampling Waste and Soils for Volatile Organic Compounds" document identification number ASTM D 4547-2009, dated 2009.N.H. Admin. Code § Env-Or 610.02
(See Revision Note at chapter heading for Env-Or 600) #8812, eff 2-1-07
Amended by Volume XXXV Number 23, Filed June 11, 2015 , Proposed by #10831, Effective 6/1/2015, Expires6/1/2025.