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TM <br /> GROUNDWATER CHEMICAL I <br /> US Casa <br /> Verna%. <br /> Concentrations reported in mkm <br /> Benzo(b)- lb <br /> Date Acenaph- Acenaph- Anthra- Benzo(a)- Benzo(a)- fluoran- <br /> Sample ID (Note al Collected thene thylene cene anthracene pyrene thene <br /> MW-1° 10/1/96 ND ND ND ND ND ND <br /> i <br /> 6r MW-2 7/28/985 ND ND ND ND ND ND <br /> 5/20/02' 1.1 ND ND ND ND ND <br /> 7/21/2005 3 <0.09 5 0.7 0.3 0.7 <br /> s <br /> MW-3 7/28/985 ND ND ND ND ND ND <br /> 5/20/026 ND ND ND ND ND ND <br /> 8/7/03' ND ND ND ND ND ND <br /> 7/21/2005 <0.01 <0.02 0.04 0.1 <0.02 <0.02 <br /> r <br /> MW4 7/28/985 ND ND ND ND ND ND <br /> 5/20/026 ND ND ND ND ND ND <br /> r 7/21/2005 <0.01 <0.02 <0.02 <0.02 <0.02 <0.02 <br /> MW-5 4/21/2005 <0.01 <0.01 <0.01 <0.01 <0.005 <0.01 <br /> IF 7/21/2005 <0.009 <0.02 <0.02 <0.02 <0.02 <0.02 <br /> WFSMW-1 tz.'> 11/10/99' ND ND ND ND ND ND <br /> r 5/21/026 ND ND ND ND ND ND <br /> 4/21/2005 <0.01 <0.01 <0.01 <0.01 <0.005 <0.01 <br /> f <br /> 7/27/2005 <0.009 <0.02 <0.02 <0.02 <0.02 <0.02 <br /> Abbreviations: <br /> ~ NA=Not Analyzed. <br /> ND=Not Detected at or above the laboratory reporting limit. <br /> pg/L=micrograms per liter <br /> tr <=Analyte not detected at or above the laboratory reporting limit shown <br /> PAHs=Polynuclear aromatic hydrocarbons. <br /> Notes: <br /> 1. PAHs were analyzed by Lancaster Laboratories,Inc.using EPA Method 8270C SIM. The QC limits for PAHs and surrogate standwd <br /> recoveries by LVI GC/MS are advisory only until sufficient data points can be obtained to calculate statistical limits. <br /> 4. Sample collected by Geological Technics,Inc.,of Modesto,California,and analyzed by Sherwood Labs Corp.of Hilmar,Califotniti <br /> r TPHmo,and TPHk using EPA Method 8015M,and by Sequoia Analytical of Sacramento,California,for VOCs using EPA Method <br /> 5. Samples collected by Radian International and analyzed by Core Laboratories of Anaheim,California,for TPHg,TPHd,and TPHmo <br /> EPA Method 8015M,BTEX and MTBE using EPA Method 8020,and PAH using EPA Method 8270. <br /> r. <br /> 6. Samples collected by Geomatrix Consultants,Inc.,of Oakland,California,and analyzed by Friedman&Bruya of Seattle,Washingae <br /> TPHg and TPHd using EPA Method 8015M,BTEX using EPA Method 82608,and PAHs using EPA Method 8270 SIM. <br /> 7. Well located on Western Farm Service Property. <br /> 8. Samples collected by Geomatrix Consultants,Inc.,and analyzed by Friedman&Bruya of Seattle, Washington,for TPHd and TPHS <br /> �- EPA Method 8015M,BTEX using EPA Method 8260B,and for PAHs using EPA Method 8270C SIM. TPHd results presented bods <br /> and without silica-gel cleanup using EPA Method 3630. <br />