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.a <br /> a <br /> yrd <br /> IX <br /> CT LNVIRONMENTAL LABORATORY (ML) <br /> GTANDARD OPERATING PROCEDURE <br /> ODNCERNING CSN OF CUSTODY <br /> GOP 11 <br /> 3. Samplea must be maintained under custody until shipped or <br /> �.. delivered to the laboratory. The laboratory will then <br /> maintain custody. A sample is under custody if: <br /> ,k. a) it is in your possession <br /> b) It is in your view after being in your possession <br /> c) You locked it up after being in your possession <br /> u. <br /> d) Yt is in a designated secure area <br /> 2. Custody of samples may be transferred from one person to the <br /> next. Bach transferee and recipient must date, sign and <br /> note the time on the chain-of-custody form. <br /> 3. In shipping, the container must be sealed with tape, bearing <br /> ,w the sender's signature across the area of bonding at the <br /> ends of the tape in order to prevent undetected tampering. <br /> • Each sampling jar should be tapsd and signed as well. <br /> Scotch tape works well. <br /> 4. Write *sealed by" and sign in the "Remarks" box at the <br /> bottom of the form before sealing up the box. Place form in <br /> a plastic bag and seal it inside the box. <br /> S. The "REMARKS" section in the upper right part of the form is <br /> for documenting details such as: <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 /> gab. <br /> d) Preservation notation. <br /> e) pH of samples when opened for analysis (if <br /> acidified) . <br /> f) Sampling observation or sampling problem <br /> `- 6. The chain-of-custody form should be included inside the <br /> shipping container. A copy should be sent to the project <br /> 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 /> shipping bills and receipts will be retained in the labors- <br /> tory files. <br /> t <br /> T} It K;1 <br /> tai <br /> MEMO= a <br />