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Tosco for the soil to be removed to an appropriate disposal facility <br /> Hydroounch5 Sampling Technology_(or similar) <br /> The Hydropunch® (or similar) sampling device provides a method for collection of groundwater <br /> samples using a specially designed sample tool to provide a hydraulic connection with the water table <br /> Both groundwater and separate-phase hydrocarbons may be sampled using a Hydropunch® sampler To <br /> sample groundwater, the sampling tool is pushed to the selected depth beneath the water table, then <br /> withdrawn to expose an inlet screen The screened interval of the sampler is approximately 3 to 5 feet <br /> Groundwater flows through the inlet screen and fills the body of the sampler A water sample is then <br /> collected from the body of the sampler <br /> QualityAssurance/Quahty Contro <br /> The sampling and analysis procedures employed by ERI for soil sampling follow regulatory guidance <br /> documents for quality assurance/quality control (QA/QC) Quality control is maintained by site- <br /> specific field protocols and quality control checks performed by the laboratory Laboratory and field <br /> handling of samples may be monitored by including QC samples for analysis QC samples may include <br /> any combination of the following The number and types of QC samples are selected and analyzed on <br /> a protect-specific basis <br /> Trip Blanks -Trip blanks are sent to the project site, and travel with samples collected from the project <br /> site to the laboratory They are not opened, and are returned from the project site with the samples for <br /> analysis <br /> • Field Blank - Prepared in the field using organic-free water Field blanks accompany samples collected <br /> at the project site to the laboratory and are analyzed periodically for specific chemical compounds <br /> present at the project site where they were prepared <br /> i <br /> 4� <br />