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v <br /> CAMBR A <br /> Soil Sample Storage, Handling and Transport <br /> Sampling tubes chosen for analysis are trimmed of excess soil and capped with Teflon'tape and plastic end <br /> caps Soil samples are labeled and stored at or below 4"C on either crushed or dry Ice,depending upon local <br /> regulations Samples are transported under chain-of-custody to a State-certified analytic laboratory <br /> Grab Groundwater Sampling <br /> Groundwater samples are collected from the open borehole using bailers, advancing disposable Tygon' <br /> tubing into the borehole and extracting groundwater using a diaphragm pump, or using a hydro-punch style <br /> sampler with a bailer or tubing The groundwater samples are decanted into the appropriate containers <br /> supplied by the analytic laboratory Samples are labeled, placed in protective foam sleeves, stored on <br /> crushed ice at or below 4"C, and transported under chain-of-custody to the laboratory <br /> Duplicates and Blanks <br /> Blind duplicate water samples are usually collected only for monitoring well sampling programs, at a rate <br /> of one blind sample for every 10 wells sampled Laboratory-supplied trip blanks accompany samples <br /> collected far all hydrocarbon sampling programs to check for cross-contamination caused by sample handling <br /> and transport These trip blanks are analyzed if the internal laboratory quality assurance/quality control <br /> (QA/QC)blanks contain the suspected field contaminants An equipment blank may also be analyzed if non- <br /> dedicated sampling equipment is used <br /> Grouting <br /> If the borings are not completed as wells,the borings are filled to the ground surface with cement/bentonite <br /> grout poured or pumped through a trenue pipe <br />. FITEMPLATEIS MDualTube WPD <br /> t <br />