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� Lancaster <br />� Laboratories Anal is Report <br /> 2x25 New Hoftend Pike,PO Bax 12425.Lancaster,R4 77605-2425•717-656-2300 }-ax-.11I4i5F 2681•www.lanOaSiefiSbS.COm <br /> Page 1 of 2 <br /> Lancaster Laboratories Sample No. WW 4796872 <br /> MW-5-W-060615 Grab Water <br /> Facility# 90557 .lob# 386843 GRA <br /> 139 S Center St-Stockton T'0607700391 MW-5 <br /> Collected:06/15/2006 12:05 by AC Account Number: 11928 <br />' Submitted: 06/17/2006 11:10 Chevron <br /> Reported: 06/29/2006 at 30:39 6001 Bollinger Canyon Rd L4310 <br /> Discard: 07/30/2006 Sart Ramon CA 94583 <br /> SCS05 <br /> As ReceiVed <br /> CAT As Received Method Dilution <br /> No. Analysis Name CAS Number Result Detection Unita Factor <br /> Limit <br /> 01726 TPH-DRO - Waters n.a. N.D. 50. ug/1 1 <br /> The reported concentration of TPH-GRO does not include MTBE or other <br /> gasoline constituents eluting prior to the C6 (n-hexane) TPH-GRO range <br /> start time. <br /> 05553 TPH - DRO CA LUFT (Waters) n.a- 350. 50. ug/1 1 <br /> 01412 Methanol and Ethanol <br /> 01414 Methanol (by Direct Injection! 67-56-1 N.D. 200. ug/l 1 <br /> 02500 TPH Fuels by GC (Waters) <br /> 02501 Total TPH n-a. 220. 40- ug/l 1 <br /> 02508 TPH Motor Oil C16-C36 n.a. 220. 40- ug/l 1 <br /> TPH quantitation is based on peak area Comparison of the sample pattern to <br /> that of a hydrocarbon component mix calibration in a range that includes <br /> Ce (n-octane) through C40 (n-tetracontane) normal hydrocarbons. <br /> The observed sample pattern is not typical of motor oil. The reported <br /> result is due to groupings of peaks eluting in the motor oil range. <br /> The cblorobenzene surrogate data is outside the QC limits due to unresolvable <br /> matrix problems evident in the sample chromatogram. <br /> 01594 BTEX+5 Oxygenates+EDC+EDS+ETOH <br /> 01567 Ethanol 64-1.7-5 N.D. S0. ug/X z <br /> 02010 Methyl Tertiary Butyl Ether 1634.04-4 N.D. 4.5 ug/l 1 <br /> 02011 di-lsopropyl ether 108-20-3 0.5 ug/l 1 <br /> 02013 Ethyl t-butyl ether 637-52-3 N.D, 0.5 ug/l 1 <br /> 02014 t-Amyl methyl ether 994-05-6 N.D. 0.5 ug/l 1 <br /> 02015 t-Butyl alcohol 75-65-0 13- 5- ug/1 1 <br /> 05401 Benzene N-D. 0.5 ug/l 1 <br /> 05402 3,2-Dichloroethane 107-06-2 N.D. 0.5 ug/l 1 <br /> 05407 Toluene i08-88-3 N.L. 0-5 ug/l 1 <br /> 05412 1,2-Dibromoethane 106-93-4 N.D. 0.5 ug/1 1 <br /> 05415 Ethylbenzene 100-41-4 N-D. 0-5 ug/l 1 <br /> 06310 Xylene (Total) 1330-20-7 N.D. 0.° ug/l 1 <br /> State of California Lab Certification NC. 2116 <br /> All QC :s compliant unless ctnerw-se noted. Please ref E. tc the Quality <br /> Control Eurnmaryfcx overall QC FErtcrnance data and asscC_ated samples. <br />