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` Roy F. Weston, Inc . - Stockton Laboratory <br /> Case Narrative <br /> Client: OGDEN ENVIRONMENTAL SERVICES, INC. Project # : L90060 <br /> LP # : 10878 <br /> Inorganics Case Narrative <br /> All analyses were completed in accordance with the EPA <br /> methods cited. <br /> Lead for sample TWW (860307) was analyzed by EPA method <br /> 200 . 7 with a 0 . 050 mg/l reporting limit. All other lead <br /> analyses were performed by EPA method 239 . 2 with a 0 . 005 <br /> mg/l reporting limit. Per the project manager, this is <br /> consistent with the clients request. <br /> Volatiles Case Narrative <br /> Calibration was verified for all samples analyzed. <br /> Surrogate recoveries were within acceptable limits for all <br /> samples . <br /> The method blanks associated with this group of samples <br /> were free from target analytes at,or above,the reporting <br /> limits . <br /> Spike recoveries were within acceptable limits . <br />