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GROUNDWATER TECHNOLOGY HIC <br /> STANDARD OPERATING PROCEDURE NO 11 <br /> CHAIN-QE-CUSTODY PROTOCOL <br /> Samples must De maintaineo under custody until shcopea or deliverea to the laboratory <br /> The laboratory then maintain custody f, sampie is under custody it <br /> a1 It ,s In your possession <br /> b) It is in your view atter being in your possession <br /> cl You locked it up arter it was in your possession <br /> a1 It is in a designated secure area <br /> 2 Custody of samples may be transferred from one person to another Each transferrer <br /> and recipient must date, sign and note the time on the chain-of-custody form <br /> 3 in shipping, the container must be sealed with tape, and bear the sender's signature <br /> across the area of bonding at the ends of the tape to prevent undetected tampering <br /> Each sampling lar should be taped and signed as well Scotch tape works well <br /> 4 Write "sealed by" and sign in the "Remarks" box at the bottom of the form before <br /> sealing the box Place form in a plastic bag and seal it inside the box <br /> • 5. The "REMARKS" section of <br /> the form is for documenting details such as <br /> a) Correlation of sample numbers if samples are split between labs. <br /> b) QC numbers when lab is logging in the samples <br /> cl Sample temperature and condition when received by lab <br /> d) Preservation notation <br /> e! pH of samples when opened for analysis (if acidified) <br /> fl Sampling observation or sampling problem. <br /> 6 The chain-of-custody form should be included inside the shipping container A copy <br /> should be sent to the project manager <br /> 7 When the samples are received by the lab, the chain-of-custody form will be dated, <br /> signed, and the time noted by a laboratory representative The form will be retained in <br /> the laboratory files along with shipping bills and receipts <br /> 8 At the time of receipt of samples by the laboratory, the shipping container will be <br /> inspected and the sealing signature will be checked fhe samples will be inspected for <br /> condition and bubbles, and the temperature of a representative sample container will be <br /> CONCORD SOP {21941 P.pa t of 2 <br /> T_ GRQUNDWATER <br /> LJN TECHNOI,OCY, INC <br />