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' GROUNDWATER SAMPLING PROTOCOL <br /> 1 <br /> Sampling of groundwater is performed by RESNA Industries, Inc sampling <br /> technicians. Summarized field sampling procedures are as follows <br /> 1 Proceed to first well with clean and decontaminated equipment <br /> 2 Measurements of liquid surface(s) in the well, and total depth of <br /> monitoring well Note presence of silt accumulation <br /> 3 Field check for presence of floating product, measure apparent <br /> thickness <br /> 4 Purge well prior to collecting samples; purge volume (casing <br /> volumes) calculated prior to removal. <br /> S. Monitor groundwater for temperature, pH, and specific conductance <br /> during purging. Allow well to recover <br /> ' 6 Collect samples using Environmental Protection Agency (EPA) <br /> approved sample collection devices, i e , teflon or stainless steel <br /> bailers or pumps. <br /> 7 Transfer samples into laboratory-supplied EPA-approved containers <br /> 8. Label samples and log onto chain-of-custody form <br /> 9 Store samples in a chilled ice chest for shipment to a state-certified <br /> analytical laboratory <br /> 10 Decontaminate equipment prior to sampling next well <br /> RESNA INDUSTRIES, INC <br /> Groundwater Sampling Protocol <br /> Latest Revision October 23, 1991 <br />