This is one of the supporting documents for the PRZM-GW Version 1.07 model.
PRZM-GW is an implementation of the Pesticide Root Zone Model (Suarez, 2006) in which a pesticide moves downward into an aquifer according to the NAFTA conceptual model.
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PRZM-GW Version 1.07 - Standard Operating Procedure for Using PRZM-GW to Estimate Pesticide Concentrations in Groundwater for Drinking Water Exposure Assessments (PDF)(16 pp, 832 K,
September 8, 2015)
This document provides guidance on how to prepare Tier 1 and Tier 2 groundwater assessments using PRZM-GW. Guidance is also provided on how to characterize the resulting exposure estimates.