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lyt. <br />✓ate. <br />pf <br />7I7LE: Chain - of-Cu_tody Gpercting Procedures _ <br />SCOFE:To describe standard operating procedures for sarr.z e <br />custody control. Sample custody procedures will oe <br />followed through sample collectio.n, trL­sfer, analysis° etc <br />ultimate diepc,Sal , The purpose of th•_st procedures is t0 <br />assure that 1) the integrity cf 2err;g.1es is mair,tai►`d <br />during their colltction, tranrGortaticr end Storece pr� <br />t c Z- . ar,d j f^a . ;_ s t a a _ = =$ i e Tia to r a5 <br />pr oder V classed of. �amF.1e cust0z vivided into fie <br />- procedures, and laboratory procedure;., as oescribed below. <br />C;._tcdy F r o c e d u r e s <br />1.1 General <br />1.1.1 Sample quantities, tyres ar.c locations should <br />determined before the actual field wc•r. <br />commences. <br />1.:.2 As few people a5 p0S5:rle t id dandle sam^ie2 <br />1.:.3 Tne field sampler is Fersene'1y responsitle f_' <br />the care and custody of t^e collected samples <br />until they are properly transferred. <br />1.2 Field D o c u m a n t a t i a n <br />1.2.1 Each sample will be labeled and sealed properly <br />immediately after collection. <br />1.2.2 Sample identification documents will be carefully <br />prepared so that identification and chain -of - <br />custody records can be maintained, and sample <br />disposition can be controlled. <br />1.2.3 Forms will be filled out with waterproof ink. <br />The following are sample identification documents <br />that will be utilized during sampling: <br />- Sample Labels <br />Field Log of Daily Activities <br />- Chain -of -Custody Forms <br />