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xr <br /> I� <br /> �v <br /> GT ENVIRONMENTAL La1B0}2ATORY (GTEL) <br /> STANDARD OPERATING PROCEDURE <br /> �. CONCERNING CHAIN OrRE <br /> SOP 11 CUSTODY <br /> ISamples must be maintained under Custody <br /> until <br /> delivered to the laboratory. The laborl <br /> toTywill then <br /> � maintain custod shipped or <br /> A y• A sample is under custody if: <br /> It is in <br /> b) It Is in your Possession <br /> view after be <br /> c) You locked it u after bini in your possession <br /> d) It is in a designated bei <br /> n your possession <br /> ated secure area <br /> 2. Custody of samples next. Each transferee and trecipient must date,ransferred from one Psi n d the <br /> note the time on the chain-Of-custody gand ` <br /> form. <br /> 3. In shipping, the container must be <br /> sealed <br /> ends the sender's signature across the area of bondinaPe,g at the <br /> bearing <br /> Each Of the tape in order to prevent undetected tampering. <br /> sampling jar should be taped and signed as well. <br /> Scotch tape works well. <br /> ,.. 4. Write ++sealed by" <br /> in the !j <br /> bottom of the formabefornd enssealing uRethe b + box at the <br /> Ya, - <br /> the box. Place farm <br /> a Plastic bag and seal it Insidein <br /> S. The "REMARKS" section in the u <br /> for documenting details such asper right part of the form is <br /> a) Correlation of sample numbers if samples are split <br /> between labs. <br /> b) QC numbers when lab is logging in the samples. <br /> C) Sample temperature and condition when received by <br /> lab. <br /> d) Preservation notation. <br /> e) pH of samples when opened for analysis (if <br /> acidified). <br /> f) Sampling observation or sampling�m P g problem <br /> 6. The chain-of-custody form should be included inside the <br /> shipping container. A copy should be cent to the project <br /> f manager. <br /> 7. When the samples are received by the lab, the chain-of- <br /> custody form will be dated, signed, and a note of the time <br /> ~ made by a laboratory representative. The form along with <br /> toryfiles.shippingbills and <br /> tory receipts will be retained in the labora- <br /> .y <br /> GiltIt+nuWER <br /> _ <br /> TECH%01A K;1.b\t <br />