Laserfiche WebLink
9 Quality Assurance and Control <br /> (QA/QC) <br /> General procedures for field sampling QA/QC are presented in the Generic TBA SAP. Site- <br /> specific criteria used to select field QA/QC sample locations, including duplicate and matrix <br /> spike/matrix spike duplicate(MS/MSD)sampling are described here. Samples were selected for <br /> duplicate analysis at a rate of 10 percent. Samples for MS/MSD analysis were selected at a rate <br /> of 5 percent.A rinsate blank will be collected at a rate of one per day to evaluate <br /> decontamination procedures at the site.The rinsate blank will be collected by pouring water, <br /> distilled/deionized water for VOCs and distilled water for non-volatile rinse blanks,over the <br /> decontaminated sample collection device(e.g.,hand auger,slide hammer, shovel,gravity core <br /> sampler)and capturing the water in the specified sample container. <br /> 14:002693.1401.01BR 9-1 <br /> EI Cali.No.] <br />