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— — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — MW-5 02/14/06 02/14/06-DUP 05/04/06 08/16/06 11/08/06 ♦ TPHg ND (ND) ND ND ND MW-3 03/30/06 05/03/06 08/16/06 11/08/06 NUMBER UNKNOWN ♦ TPHd ND ND ND ND 77 TPHg ND NS NS ND Generalized Approximated Location♦♦ TPHds NA NA NA NA ND TPHd 1,000 NS NS 60 ................... of one 10,000 Gal Diesel Tank,one ♦♦ BTEX ND (ND) ND ND ND TPHdsg 1,100 NS NS ND 10,000 Gal Gasoline Tank,and one ♦ All PAHs ND (ND) ND ND ND BTEX ND NS NS ND 5,000 Gal Gasoline Tank Anthracene 0.12 NS NS ND Benzo(a)anthracene 0.024 NS NS ND Benzo b fluoranthene 0.03 NS NS ND WFSDW-1 I Generalized Approximate Chrysene 0.18 NS NS ND "' Location of UST Fluoranthene 0.1 NS NS 0.011 I .� 0.16 NS NS ND Naphthalene I Na hthalalene 0.053 NN S NS D I • Western Farm Service Phenanthrene 0.074 NS NS ND P rene 0.25 NS NS 0.041 All Other PAHs ND NS NS ND — — — — — — — — — — — — — — — — — — — — — — — — — — — — • WFSMW-1 WFSMW-1 02/14/06 05/03/06 05/03/06-DUP 08/16/06 08/16/06-DUP 11/08/06 TPHg ND ND ND ND ND ND TPHd 66 190 160 230 120 970 State Highway 33 TPHdsg ND ND (ND) ND ND ND k BTEX ND ND ND ND ND ND Pyrene 0.025 ND ND ND ND ND Naphthalene ND ND (ND) ND ND 0.054 • o Phenanthrene ND ND ND 0.013 0.013 ND N o All Other PAHs ND ND (N D) ND ND ND Zi J - - - - - - - - - - - - - - - - - - - - - - a. - - - - - - - - — — — — — — — — — — — — — — — — o - - - - - 7b •O MW-2 • - - I LU I • • (NS-SPO) r - r - - - - - - - - - - - - - - - - - - - - - - - MW-1 MW-3 • o r — — — — — — — — — — — (NS-SPO) � I I ♦ w I I zI Buildings U I ♦ � I I ♦ EL 1 = I Percolation Pond v W I 1 ♦ I I ............. ♦ W1 MW-4 = Generalized Approximate • (NS) 100,000 gal. Pu O use Location of 1,000 Gal UST QI I Water Tank p H I - - — — — — — — — — —I— — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — - - - ��/� ♦♦♦ O� W a z Q Map is a relative representation of current and historical data and should be verified for exact legal or underground work. PETROLEUM DISTRIBUTION CPT Boring Location �' • Soil Boring Location Building PRG-U.S.EPA Preliminary Remediation Goal IN GROUNDWATER DURING 2006 CL= 9 Monitoring Well Location ESL-San Francisco Bay RWQCB Environmental Screening Level Q + Western Farm Service Monitoring Well TPHg-Total Petroleum Hydrocarbons quanitified as Gasoline Range Organics RWQCB-Regional Water Quality Control Board US Can -Welty Road ® Domestic Well TPHd-Total Petroleum Hydrocarbons quanitified as Diesel Range Organics 35275 Welty Road, Vernalis, California TPHdsg-Total Petroleum Hydrocarbons quanitified as Diesel Range Organics with U.S.EPA-United States Environmental Protection Agency =� ♦ Industrial Well NE-No Exceedances above PRGs and ESLs DATE.'12/22/2006 ANALYST.'CORPUSS FIGURE: � Silica Gel Cleanup Q 0 50 10o Historical Pipeline-OVP BTEX-Benzene,Toluene,Ethylbenzene,Xylenes. Z PAH-Polynuclear Aromatic Hydrocarbons. All results are presented in milligrams per kilogram(mg/kg). w I I I Historical Pipeline-TAOC Results resented in BOLD exceed PRG and/or ESL. See 4 J ND-Not Detected at or above laboratory reporting limit p �r■��®Science Applications CALIFORNIA LOCATION MAP — — Fence NS-SPO-Not Sampled Due to Presence of Separate Phase Oil Tables 2 and 3 for PRGs and ESLs. From science to solutions-International Corporation Feet Railroad NS-Not Sampled Due to Insufficient Water Volume. Depth is in feet below ground surface.