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MATRIX ENVIRONMENTAL LABORATORIES <br /> ANALYSIS BTEX SPIKE SUMMARY <br /> • <br /> CLIENT: Resna Industries <br /> CONTACT: J. Johnson Date Sampled: N/A <br /> COC No: 4007 Date Received: N/A <br /> Pra]ect No: TIECSERT/TRACY Date Extracted: 7/12/93 <br /> • Sample ID: N/A Date of Analysis: 7/12/93 <br /> Lab ID: LCS/LCSD Matrix: BOIL <br /> CONC CONC PERCENT <br /> COMPOUND SPIKED MEASURED RECOVERY <br /> • ng/kg LCS LCSD LCS LCSD RPD <br /> �c�m) <br /> BENZENE � . 0 . 90 0 . 97 90% 97% 8% <br /> TOLUENE i. 0.76 0. 82 76% 82% 7% <br /> ETHYL BENZENE 1. 0. 86 0. 93 86% 93% 8% <br /> TOTAL XYLENES 3 2 .47 2 . 63 8216 38% 6% <br /> • <br /> LCS= LABORATORY CONTROL SPIKE <br /> LCSD= LABORATORY CONTROL SPIKE DUPLICATE <br /> RPD= rRELATIVE PERCENT DIFFERENCE <br /> CONC= CONCENTRATION <br /> • <br />• <br /> • <br /> -017 }ULGOmE ROAD r -0 • PANCHO C-FDOVA CA 99742 =-Cr4E 6i z2 • �X ?�� EZEZ <br />• ZEE .�1 <br />