ARCHIVED REPORTS_XR0012713 - Laserfiche WebLink

Home Browse Search

.s GT ENVIRONMENTAL LABORATORY (GTEL) STANDARD OPERATING PROCEDURE CONCERNING CHAIN OF CUSTODY SOP 11. I . Samples must be maintained under custody until shipped or ' delivered to the laboratory. The laboratory will then maintain custody. A sample is under custody if: i a) 2t is in your possession b1 It is in your view, after being in your possession c) You locked it up after being in your possession d) It is in a designated secure area r 2. Custody of samples may be transferred from one person to the next. Each transferee and recipient must date, sign and r note the time on the chain of custody form. c: 3. In shipping, the container must be seale6 with tape, bearing the sender's signature across the area of bonding at the E ends of the .tape in order to prevent undetected tampering, Each sampling jar should be taped and signed as well. Scotch tape works well. 4. Write "sealed by" and sign in the Remarks box at the bottom of the form before sealing up the box. place form in a plastic bag and seal inside the box. 5. The 11REMARX8" section in the upper of the form is � 'for documentftng details such as: a1 correlation of sample numbers if samples are split r between labs. b) QC numbers when lab is logging in the .samples. s c) sample temperature and condition when received by lab. d) :. Preservation notation. e) PH of samples when opened. for analysis (if . acidified) , r f) Sampll.;ig observation or sampling problem s. The chain,. of. custody form should :'se included inside the shippxny. container, A 'copy silo,-IJ be sent to the project manager. 7. When the' samples are receivedby the lab, the chain of custody form will be dated, signed, . and a noteof the time mazeo by a laboratory represen"a•_ive. The form along with shipping hills and receipts will be retained .in tie labora- tory files.