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CASE SUMMARY <br />Laboratory Identification: Packet completion Date <br />RHWM WSAP <br />Lawrence Livermore National Laboratory _ LJ 4-16-2012 <br />7000 East Avenue, L -Code 620 f <br />Livermore, CA 94550-9234 <br />(925) 423-4117 FEB Lull <br />client:ENVIRONMENTAL HEALTH <br />Don Dearing DEPARTWENT <br />Sample Receipt: <br />Two samples (2 samples: W322657 — Tank clean-out debris / W322658 — Process water) (2 containers total). <br />The samples were received on 3-28-12 by WSAP (Waste Sampling and Analysis Program) for analyses. The <br />samples were received in acceptable conditions as per SMO (Sample Management Officer). <br />Project Name: Normal Sampling. <br />WSAP DQO #: N/A <br />Client DQO #: N/A <br />Client COC #: N/A RHWM COC#: 18803 <br />Sample ID Sample Description Requested Analyses <br />W322657 Tank clean-out debris. TTLC metals (mg/kg). <br />W322658 Process water TTLC metals (mg/I). <br />Case Narrative: <br />Re: COC # 18803: (2 samples: W322657 — Tank clean-out debris / W322658 — Process water): TTLC metals. <br />TTLC metals tests were performed by GEL Labs, Charleston, South Carolina. <br />TTLC metals (mq/kq): <br />MS and MSD (75 — 125% limits) failed for Antimony (59/62.4), Copper (Pass/70.5), Lead (63.2/60.7), Thallium <br />(61.3/Pass), Zinc (46.9145.9). RPD (0 — 20% limits) failed for Thallium (23.4). Serial Dilution % Difference (0 — <br />10% limits) failed for Chromium (15.7) and Copper (13.6). All these failures are due to matrix interference <br />and/or non -homogeneity of sample. Corrections for these failures do not affect characterization of the waste. <br />All other QC criteria were met. Results are deemed acceptable. <br />TTLC metals (mg/1): <br />All QC criteria were met. Results are acceptable. <br />I certify that this data package is complete as per the customer's request and compliant with technical and <br />administrative requirements. All analytical work performed by outside contract laboratories is reported on their <br />letterhead and released by the associated laboratory, independent of WSAP. The Laboratory Director (or <br />designee) as verified by the following signature authorizes release of this data package: <br />44.6 � d��— 4-16-2012 <br />Date <br />WGS 0150 Expiration Date: 8/11/12 <br />