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Analysis 1 • <br /> Lancaster Laboratories <br /> Where quality is a science. .' <br /> Page 1 of 2 <br /> Lancaster Laboratories Sample No. WW 3701046 <br /> Collected:10/02/2001 12:59 by TC Account Number: 10906 <br /> Submitted: 10/05/2001 09:30 Chevron Products Company <br /> Reported: 10/23/2001 at 17:15 6001 Bollinger Canyon Rd <br /> Discard: 11/23/2001 Building L PO Box 6004 <br /> MW-9S Grab Water San Ramon CA 94583-0904 <br /> Facility# 9-0557 Job# 386843 GRD <br /> 139 S Center St. Stockton T0607700391 NA <br /> CMW9S <br /> As Received <br /> CAT As Received Method Dilution <br /> NO. Analysis Name CAS Number Result Detection Units Factor <br /> Limit <br /> 05553 TPH - DRO CA LUFT (Waters) n-a. 83,000. 4,200. ug/l 200 <br /> According to the California LUFT Protocol, the quantitation for Diesel <br /> - Range Organics was performed by peak area comparison of the sample pattern <br /> to that of our #2 fuel oil reference standard (between C10 and C28 normal • <br /> hydrocarbons) . <br /> 01729 TPH-GRo N. California (waters) <br /> 01730 TPH-GRO N. California (waters) n.a. 300,000. 5,000. ug/l 100 <br /> The repor.ted_concentrati_on of_TPH GRO_does_no.t_include_MTBE_or-other <br /> _ _ <br /> gasoline constituents eluting prior to the C6 (n-hexane) TPH-GRO range <br /> start time. <br /> The vial submitted for volatile analysis did not have a pH < 2 at the time <br /> of analysis. Due to the volatile nature of the analytes, it is not <br /> appropriate for the laboratory to adjust the pH at the time of sample <br /> receipt. <br /> 02740 Custom TPH with Ranges (Water) <br /> 01779 C16-C36 n.a. 6.0 1.0 mg/l 1 <br /> 02741 Total TPH n.a. 6.0 1.0 mg/l i <br /> Due to interferences from the sample matrix (high sediment content) , the <br /> reporting limit was increased. <br /> Due to a coeluting peak near its retention time, accurate chlorobenzene <br /> surrogate recovery could not be determined. <br /> 08214 BTEX, MTBE (8021) <br /> 00776 Benzene 71-43-2 36,000. 20. ug/1 100 <br /> 00777 Toluene 108-88-3 61,000. 50. ug/l 250 <br /> 00778 Ethylbenzene 100-41-4 -7,000. 20. ug/l 100 <br /> 00779 Total Xylenes 1330-20-7 34,000. 60. ug/l 100 <br /> 00780 Methyl tert-Butyl Ether 1634-04-4 N.D. # IOD, ug/1 100 <br /> The vial submitted for volatile analysis did not have a pH < 2 at the time <br /> Lancaster Laboratories,Inc, <br /> MEMBER 2425 New tHolland Pike <br /> PO Box 12425 <br /> VA VVM Lancaster,PA 17605-2425 <br /> 717-656-2300 Fax:717-656-2681 2216 Rev.9/11/00 <br />