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�c a o Ova Ov <br /> Sample Log 17139 <br /> August 13, 1997 <br /> Subject : 4 Water and 16 Soil samples <br /> Project Name : Southland/Pombo/GrantLine <br /> Project Number: 020700544/6711 <br /> P.O. Number: 246809 <br /> Location : SW corner Pombo Pkwy& Grant Line, Tracy <br /> Case Narrative <br /> EPA 608 Sample GP-4 <br /> Recovery of Decachlorobiphenyl surrogate was low due to matrix effects. The sample contained <br /> suspended sediment which often interferes with the recovery of this surrogate. TCMX surrogate recovery <br /> was accaptable and recoveries of all surrogates in QC samples was normal. <br /> 1 <br /> Stewart Podols <br />