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li 1 <br /> Data Validation Checklist <br /> ' Project Location/Project Number: Stockton / Chevron #306620 <br /> Date sampled: January 17, 2009 <br /> Method(s): EPA 8015M for TPHg, 8260 full scan and 1,2 DCA, EDB <br /> ' Lab/ Lab work order number: Lancaster/ 1128686 <br /> Place a check mark (Q) in the appropriate column. If the answer is "No", describe lab's corrective action. <br /> I ' Criteria Yes No Comments <br /> Is COC included in lab report? X <br /> ' Where the samples properly preserved? N/A <br /> ' Is laboratory narrative included in lab report? X <br /> Was the laboratory narrative free of any lab X See explanation below <br /> errors/discrepancies? <br /> Were holding times met? X <br /> ' Were samples received at the correct temperature (4t20C)? N/A <br /> Did laboratory analyze with methods specified on COC? X <br /> Were appropriate analyte detection limits achieved? X <br /> Were surrogate recoveries within allowable range? X <br /> ' Were the laboratory Matrix Spike/Matrix Spike Duplicate X Only for non-target compounds <br /> (MS/MSD) results within the allowable range? 2-Chloroethyl Vinyl Ether. <br /> See Attached <br /> ' Were the Laboratory Control Spike/Laboratory Control Spike X <br /> Duplicate (LCS/LCSD) results within the allowable range? <br /> ' Blanks <br /> • Lab blanks: Did lab blanks have non-detect results? X N/A <br /> • Field blanks: Did trip blanks have non-detect results? X <br /> • Field blanks: Did rinsate blanks have non-detect results? N/A <br /> ' Duplicates <br /> • Lab dups: Did lab dups have results within allowable N/A <br /> range? <br /> • Field dups: Did field dups have results within allowable N/A <br /> range? <br /> Notes: N/A = Not Applicable <br /> ' Comment explanations: <br /> The MS/MSD, and/or repeatability, are out of specification for 2-Chloroethyl Vinyl Ether as noted on page 4 of the <br /> ' Quality Control Summary. <br />