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DataVal, Inc. <br /> INITIAL DATA REVIEW CHECKLIST <br /> Project Name: Stockton Redevelopment - Performed by/Date: DJB 6/20/00 <br /> Report No.: 145154 — <br /> Review Level: II — Reviewed by/Date: <br /> Laboratory : Curtis & Tompkins — <br /> No. and Type of Samples: I2zbd" 113 W <br /> Case Narrative: Read the case narrative. Verify every analysis addresses: hold <br /> times, initial calibration, continuing calibration, second column confirmation, <br /> blanks, MS/MSD, sample duplicate (metals and general chemistry), LCS/LCSD, <br /> surrogate recoveries, internal standards, and tune criteria (GC/MS). Check for <br /> anomalies associated with the sample analysis. <br /> ✓l Case Narrative is in package. <br /> v,'2kJ.LProject number on case narrative matches COC. <br /> Client ID/Lab ID Cross Reference Table: Compare the COC's with the LIMS log <br /> in to ensure the cross reference table is accurate. Make sure all samples are <br /> present by counting the number of samples on the COC and comparing this <br /> number to the table. <br /> V3.1 __Cross Reference Table is in package. <br /> Sample Receiving Documentation: Check the COC's to ensure that they have <br /> been signed off and dated as received. Check the cooler receipt form to ensure <br /> that it has been filled in completely by the receiver. Verify that sample <br /> temperature was taken, check if the sample temperature is within the acceptance <br /> limits of 4°C +/-2°C. <br /> I-- 4. COC is in package. <br /> t.- 5. Reported analyses/methods match those requested on COC. <br /> �6 Receipt temperature is on COC/Cooler receipt form/Case narrative. <br /> (.7-._LJ,._COC is signed as "relinquished by" and "received by". <br /> Missin Items/Comments/Qualifications: <br /> e rece� <br /> 77 Dominican Drive • San Rafael, CA 94901 • (415) 459-3124 • Fax (415)459-6580 <br />