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8081 Soil Prep Log Curtis&Tompkins, Ltd. <br /> Page 65 BK 2903 Extraction Method: Cleanup Method: <br /> 1$ EPA 3550b Sonication g EPA 3620b Florisil <br /> LIMS Batch No: 751 ❑ EPA 3545 PFE(Mth# ) ❑ <br /> Date Extracted: 'Z 0 ❑ <br /> Cleanup <br /> Sample# Container ID Sample Wt(g) Final Vol(mL) (x if needed) Com nts <br /> t U V L)e' l}-f C i ` C kl <br /> h <br /> ld <br /> s M <br /> e. <br /> c� <br /> ----------------- <br /> 10 <br /> 15 <br /> 20 <br /> 3r <br /> Mfg&Lot#/LIMS#/Time Initials/Date <br /> Solvent-rinsed gr lar Na2SO4 weighed out for QC samples V1 2_ z �, <br /> dried with CH2C12-rinsedgranular Na2SO4 ❑diatomaceous earth <br /> ©^0mL of surrogate solution was added to all samples 3 1 Ogg 914 <br /> mL of spike solution was added to all spike f <br /> 1:1 CH2C12(lot#�,� (301 ).Acetone(lot#�i � was added to all V <br /> Solvent added at(time) <br /> sonicated 3 times w/>100mL ❑PFE extracted e/ <br /> ASE Cellulose Filters used: <br /> Extracts filtered through baked,CH 1_rinsed � anrulti�_aSO4 OM 2J4 2- <br /> Exchanged 2x with Hexane -7 ` <br /> Concentrated: to volumes as noted above ❑to clean-up volume <br /> Concentrated to final volume at temperature(degrees C <br /> Clean-up: ❑GPC(see GPC run log) Florisil IL-1__ <br /> relin shed to Pesticik Group <br /> Continued frompage4 <br /> Extraction C st/Date f� Continued on page Reviewed by/Date <br /> 115 of 295 <br />