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PCB (8082) So if Pgrep Log Curtis&Tompkins, Ltd. <br /> LIMS Batch No: IBJ' I I EPA 3550b Sonication Page 37 <br /> LIMS Analysis ❑ EPA 3545 PFE(ASE Method# BK 2991 <br /> Date Extracted: l • p ❑ Other <br /> Sample ID Container ID Sample Wt(g) Final Vol(mL) Comments <br /> - oil- _ a -a 'Z&e <br /> r .S 1C <br /> 620 a1 <br /> 3c 3 <br /> 5 <br /> ©\ 1KS 5 — t <br /> Vb•Z 3c,r <br /> —C o' <br /> 10 co 4 a, � <br /> DOS3b <br /> —fib b-\3 <br /> 3© <br /> 15 O`j o k <br /> —010 33 <br /> 02- <br /> _3p, <br /> of -t4) <br /> 20 Vmol 3p.p <br /> M 13 L 3310 <br /> 5 <br /> 10, <br /> i <br /> t) <br /> Mfg&Lot#/LIMS#/Time Initials/Date <br /> Solvent-rinsed granular Na2SO4 weighed out for QC samples Z t l o <br /> dried with CH2C12-rinsed Xgranular Na2SO4 ❑diatomaceous earth <br /> 6—mL of surrogate solutio was added to all sample <br /> b'r5 mL of spike solution 412 196,0 was added to all spikes 13 <br /> PFE(ASE)Cellulose Filters used: <br /> 1:1 CH2C12(lot#GStil301 ):Acetone(lot#Ek1G1 _T )was added to all <br /> Solvent added at(time) i q qS <br /> id sonicated 3 times w/>100mL ❑PFE extracted ❑soxhlet extractors on at: t_-' <br /> Soxh�lets off at: <br /> Extracts filtered through baked,CHZC12_rinsed r'N ere Na2SO4 L-_ t{gZy N'L< <br /> Solvent exchanged with Hexane,Lo -JTE <br /> E <br /> Concentrated to final volume at temperature(degrees C <br /> EPA 3665A Clean-up:vortexed w/H2SO4 Lot# Qq p� <br /> Centrifuged for 1 min; l OmL transferred to labelled via <br /> J relinquished to PCB group �-- <br /> _ Cantinted from page <br /> ��--- 111 <br /> ontinued kI <br /> on page <br /> Extraction mist/ Date / R viewed by/Date <br /> 148 of 295 <br />