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//. Ancf icdTechnologies,lnc <br />15 <br />FUEL HYDROCARBONS <br />QUALITY CONTROL DATA <br />ATI I.D. 1 9006-109 <br />CLIENT : <br />APPLIED GEOTECHNOLOGY INC. <br />SAMPLE I.D. <br />: 9006-116-1 <br />PROJECT # : <br />14937.039 <br />DATE EXTRACTED <br />: 06/18/90 <br />PROJECT NAME <br />: USG/STOCRTON <br />DATE ANALYZED <br />: 06/22/90 <br />EPA METHOD <br />: 8015 MODIFIED <br />MATRIX <br />: WATER <br />UNITS <br />: mg/L <br />DUP DUP <br />SAMPLE CONC SPIRED $ SPIRED $ <br />COMPOUND RESULT SPIKED SAMPLE REC SAMPLE RECOVERY RPD <br />FUEL <br />HYDROCARBONS <1 100 83 83 85 85 <br />$ Recovery = (Spike Sample Result - Sample Result) <br />--------- ----------------------- X 100 <br />Spike Concentration <br />2 <br />RPD (Relative % Difference) _ (Sample Result - Duplicate Result) <br />-------------------------------- X 100 <br />Average Result <br />