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SP EXPLORATION & OIL, INC. <br /> ENVIRONMENTAL RESOURCE MANAGEMENT <br /> DATA REVIEW CHECKLIST <br /> BP Site Number: 11195 <br /> ERM Contact: H177183 <br /> Sampling Date: 01/15/97 <br /> Matrix Description: Water <br /> Date Final Report Received: 02/03/98 <br /> Laboratory & Location: SPL, Houston, Texas <br /> Yes No N/A <br /> 1. Is BP contract release number <br /> consistent with analytical report? —X- <br /> 2. Was report submitted within the <br /> specified timeframe? —X- <br /> 3. Does report agree with the COC? —X- <br /> 4. Are units consistent with the given matrix? —X- <br /> 5. Were any target analytes/compounds <br /> detected in blanks (i.e., trip or equipment)? _X_ <br /> 6. Are duplicate water samples within 30%? —X- <br /> 7. Are holding times met? —X- <br /> 8. Are surrogates within limits using laboratory <br /> criteria? X <br /> 9. Are MS/MSD acceptable using laboratory See Below <br /> criteria? <br /> 10. Are LCS results acceptable using laboratory <br /> criteria? X <br /> MS/MSD recovery and relative % difference for one of two matrix spikes for MTBE not <br /> calculated due to sample exceeding spike by a factor of 4 or more. MS/MSD limits are <br /> advisory only; as stated in SW-846, Section 8.7 to 8.8, if the MS/MSD results fall outside the <br /> advisable ranges, a laboratory control samples (LCS) must be analyzed and fall within those <br /> ranges. LCS results are within quality control limits. <br /> Data Validation Completed by: Brady Nagle <br /> (signature): <br /> Date: �-.." <br />