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Phase II Sampling and Analysis Plan SOP-5—Equipment Decontamination <br /> Port of Stockton-Rail and Bridge,Stockton,CA FN <br /> Sampling Equipment: Equipment rinsate samples will be obtained from reusable sampling <br /> equipment, such as: hand augers, hollow stem auger flights, and direct push technology core barrels <br /> with ASTM Type II deionized water. If equipment is used to collect samples for PFAS analysis, the <br /> rinsate blank for PFAS must be collected using lab-verified PFAS-free deionized water. This rinsate <br /> blank for PFAS analysis must be collected prior to the collection of other constituents. <br /> The equipment rinsate protocol will be as follows: <br /> 1. Label Sample Container- Label the sample container as outlined in SOP 3 —Sample Control <br /> and Documentation. <br /> 2. Collect Sample -After sample collection and equipment has been decontaminated as <br /> described above, an equipment rinsate will be collected. ASTM Type II water(or lab-verified <br /> PFAS-free deionized water)will be poured over and through the sampling equipment into a <br /> cleaned stainless steel bowl (preferably the equipment and bowl to be used on a specifically <br /> identifiable sample location). The collected water will be poured into the appropriate sample <br /> container. Repeat the process as necessary to fill each container to the required volume. <br /> Vials for volatile analysis and bottles for total organic carbon (TOC) analysis will be <br /> completely filled, leaving no air space above the liquid portion (to minimize volatilization). <br /> Check that the Teflon on the Teflon-lined silicone septum is toward the sample in the caps <br /> and secure the cap tightly. If semi-volatile compounds are to be sampled for, collect these <br /> samples next. Proceed to the collection of samples for the remaining analyses. Be careful of <br /> all pre-preserved bottles. If acids are present, open the bottle downwind and away from the <br /> body. Do not allow bottles for PFAS analysis to come into contact vials for volatile analysis to <br /> avoid cross contamination. <br /> 3. Custody, Handling and Shipping - Complete the procedures as outlined in SOP-3—Sample <br /> Control and Documentation and SOP-4 - Sample Packing and Shipping. <br /> 5-3 <br />