Section Env-Wq 806.10 - Soil Testing(a) One soil test pit or auger boring shall be taken, to a depth of at least 40 inches, for each soil mapping unit present on the NRCS county soils map, but no less than one every 5 acres.(b) One soil test pit or auger boring shall be taken, to a depth of at least 4 feet, for each area proposed for stockpiling.(c) An analysis of the soil test pits or auger borings required by (a) and (b), above, shall be performed that includes a description of the soil profile characteristics, depth to seasonal high water table, and depth to bedrock.(d) Soil samples from each field proposed to be used for the land application of QC sludge shall be collected and analyzed in accordance with (f), below, within 6 months prior to submittal of the initial permit application.(e) Soil samples from each field upon which QC sludge has been applied shall be collected at the end of the permit term or prior to the first land application of sludge under a permit renewed in accordance with Env-Wq 804.10(c).(f) The soil samples collected pursuant to (d) or (e), above, shall be analyzed by a laboratory using the applicable method(s) found in EPA SW-846 for the following constituents and reported in milligrams per kilogram, dry weight:(g) Soil samples from each field used for land application shall be collected on a yearly basis after the prior crop has been harvested but no more than 6 months prior to the anticipated initial application for that year, so as to be representative of the soils on which the land application will occur.(h) Samples collected pursuant to (g), above, shall be analyzed through the UNH cooperative extension soil testing program, or by a laboratory using a method that produces similar results to those produced by the UNH cooperative extension soil testing program, for:(1) Soil acidity, measured as pH;(2) Mehlich buffer lime requirement;N.H. Admin. Code § Env-Wq 806.10
(See Revision Note at chapter heading for Env-Wq 800) #8887, eff 5-23-07
Amended by Volume XXXVI Number 01, Filed January 7, 2016, Proposed by #10998, Effective 1/1/2016, Expires 1/1/2026.