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GROUNDWATER TEC:iNCLCGY LAECRATORY {GTL) <br /> STANDARD OPERATING PROCEDURE <br /> CONCERNING CHAIN OF CUSTODY <br /> SOP 11 <br /> 1• Samples must be maintained under custody until shipped or <br /> deli*,e_ad tc tie Iabc=atory. The laboratory will then <br /> maintain custody. A sample is under custody if: <br /> a) It is in your possession <br /> b) It is in your view after being in your possession <br /> "n after beim �:rl -YCUZr COSgeSSlOT1 <br /> s <br /> --'s'_cnaceei secure arca <br /> 2. Custody of samples may be transferred from <br /> next. Each transferee and recipient must date,psignnand <br /> to the <br /> note the time on the chain of custody form. <br /> 3. In shi7,L= g, the container must be sez3led with tape, bearing <br /> } the sender's signature across the area of 'bonding at the <br /> ends ofGtape � <br /> Each .,� _ c_ er to pvent undetected tampering. <br /> �` -• ;Qt .3.^.cu be tuo66e and .sjgjrd as well. <br /> Scotch tape works we11. <br /> ,w 4. Write "sealed by" and s` .n in the . Remarks box at the bottom <br /> of the form before sea], net. Qp .the hrr�, ,-aa�e form in a <br /> 4, . <br /> plastic bag and seal la :the box. <br /> Y' 9; _ <br /> 5. The „REMArRS" u N <br /> pier rig; Patt of the form is # <br /> for document <br /> ing e;?ta.Llqsr�Gh as: <br /> a) correliari of ; mpJ r�u�rb�xs <br /> betwean if samples are split <br /> ¢�� <br /> b) QC nv ,k , 4 h;� ,. tai-Is :logging in the samples. ' <br /> c) ��:mple ��n�a_x°,� c�=fie and condition .when received by <br /> 4 lab. <br /> 1 d) pr, servation. no-�:4rion, <br /> PH of samples when opened for analysis (if <br /> acidified) , <br /> 6 The chain of custody form should ..be included inside the <br /> r shipping container. A copy_should..be.,_.sent:...to...the..project- <br /> f <br /> . . coordznator. s <br /> 7 when the samples are received by the lab the chain of � <br /> Y. <br /> custody form will ,be dated;. signed, and a note of .:the time <br /> s <br /> �iq. made` by a laboratory representative The form along with <br /> shzpping .bills .and receipts will be retained in the labors- J: <br /> tory :fifes. <br /> EEM <br /> GROUNDWATER <br /> ' TECHNOLOGY,INC. <br /> � � CONSULTING GROUNDWATER GEOLOGISTS <br />