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' Clayton Environmental Consultants, Inc <br /> Page 3 of 3 <br /> 1 <br /> INDUSTRIAL HYGIENE <br />' ORGANIC LABORATORY ANALYSIS <br />' Sample I D See below Client VAPOR EXTRACTION TECHNOLOGY <br /> Sample Received 10/25/89 Client Ref No 1 024 7 1 <br />' Samples Analyzed 10/31/89 Lab Client Code 76377 <br /> Sample Matrix CHAR TUBE Lab No 8910245 <br />' Sample <br /> Batch Volume Front Back Total Concentration <br />' No Sample I D (Liters) Compound (mg) (mg) (mg) (mg/m3) (ppm) <br /> -06 EW-1 10 Benzene <0 004 <0 004 <0 004 <0 4 <0 1 <br /> Ethyl benzene <0 004 <0 004 <0 004 <0 4 <0 09 <br /> Toluene <0 004 <0 004 <0 004 <0 4 <0 1 <br /> TPH as gasoline <0 1 <0 1 <0 1 <10 -- <br /> Xylenes <0 004 <0 004 <0 004 <0 4 <0 09 <br /> s -07 SB-COMP 10 Benzene <0 004 <0 004 <0 004 <0 4 <0 1 <br /> I • Ethyl benzene 0 026 <0 004 0 026 2 6 0 60 <br /> Toluene 0 054 <0 004 0 054 5 4 1 4 <br /> TPH as gasoline 4 8 <0 1 4 8 480 <br /> Xylenes 0 58 <0 004 0 58 58 13 <br /> -08 METHOD BLANK blank Benzene <0 004 <0 004 <0 004 <br /> Ethyl benzene <0 004 <0 004 <0 004 -- -- <br /> I Toluene <0 004 <0 004 <0 004 == 4W <br /> TPH as gasoline <0 1 <0 1 <0 1 <br /> Xylenes <0 004 <0 004 <0 004 — -- <br /> < = Less than the indicated limit of detection (LOD) <br /> -- = Information not available or not applicable <br /> Compound Limit of Detection (mg) Method Reference <br /> Benzene 0 004 NIOSH 1501 <br /> Ethyl benzene 0 004 NIOSH 1501 <br /> I Toluene 0 004 NIOSH 1501 <br /> TPH as gasoline 0 1 NIOSH 1550 <br /> Xylenes 0 004 NIOSH 1501 <br />