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C.111ruanterra <br />' CASE NARRATIVE Environmental <br /> . Services <br />' QUANTERRA INCORPORATED PROJECT NUMBER 094903 <br />' General Comments <br /> The samples were received at 6 degrees Centigrade as measured in the glass bottleas and <br />' vials Brass tubes were measured at 9 degrees The samples initially were logged for a <br /> standard turnaround time (TAT) A one-week rush TAT was requested and authorized by <br /> verbal instructions from Jed McLaughlin on September 5, 1997 <br /> Sample UST2N (as listed on the on the Chain of Custody (COC)) was labeled as "UST2" <br /> The samples was labeled in accordance with the COC <br />' One of the VOA vials labelled as "FS3" had a collection time of 8 10 hours, which does not <br /> correspond with the COC This samples resembles the other samples from "FN3" (collected <br />' 8 10 hours) by the appearance and color of the sediment However, due to the labelling <br /> anomaly, the vial was marked "Do Not Use" Both samples (FS3 and FN3) had sufficient <br /> additional vials to complete the requested analyses <br />' A Tri Blank was received but wa <br /> Trip sample p , b snot listed on the COC This sample was logged <br /> liefor method 8260, as per verbal instructions from Jed McLaughlin on September 9, 1997 <br /> Samples listed on the COC for '`TPH Full Range 8015" were logged for TPH-Gas and TPH- <br />' Diesel Samples identified as "FS" or "FN" additionally will be analyzed for Motor Oil as <br /> per verbal instructions from Jed McLaughlin on September 9, 1997 <br /> All of the aqueous samples in this project were collected without acid preservation due to the <br /> chemical reaction between the acid preservative and the field samples Therefore, a 7-day <br /> holding time was observed for the volatile analyses except were noted below <br />' All soils were received in acetate core tubes <br />' VoIatile Organics TCL - Method 8260 <br />' Sample FS3 was diluted 500 X due to excessive matrix interferences <br />' Benzene, Toluene, Ethyl Benzene and XyIenes (BTEX) - Method 8020 <br />' Samples UST1-7, UST2S-7 and UST2N-7 were analyzed as a medium level sample due to <br /> the high level of analytes in these samples <br /> r <br />