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0 <br />• <br />I <br />FMS <br />0 125 <br />Analyte Concentration <br />TPHG 8,500 Scale in Feet <br />TPHD ND <br />Benzene 24,000 Analyte Concentration <br />Toluene 380 <br />2,300 TPHG <br />Ethyd Xylenes ne 3,720ND Benzene 3 4 <br />,000 <br />Oea900 <br />xygenates ND CONCRETE Et Toluenene 69200 <br />(� WASH PAD TO Xylenes 4,900 <br />VEHIp LE L HOLDING TANK Lead NS <br />INSPEQQTION Oxygenates ND <br />RAQK OWS INLET_ ----_—_— <br />7 Z. 'FORMER GAS IF <br />US= �� \ <br />/FOESER \ \\ \I I\11 <br />/f. . I. B32 UST <br />Analyte Concentrator !' \ t I '\ • / • 630 I Y 't I <br />TPHG 2,400�\ Z <br />TPHD ND '. \ \ \ \� i �V/// <br />Benzene 53 <br />Toluene 380 <br />Ethylbanzene 330 \ \ \ • B31 <br />Xylenes 1,550 <br />Lead ND <br />Oxygenates NO <br />CONCENTRATIONS BOLDED EXCEED <br />ITS RESPECTIVE WATER QUALITY <br />GOAL (TASTE AND ODOR THRESHOLD <br />LEGEND: OR PRIMARY MCL) <br />Q PREVIOUS BOREHOLE LOCATION MCL MAXIMUM CONTAMINANT LEVEL <br />TPHG CONCENTRATION ISOPLETH (5 UG/L) NO NON -DETECT <br />TPHD CONCENTRATION ISOPLETH (100 UG/L) NS NOT SAMPLED <br />BENZENE CONCENTRATION ISOPLETH (1 UG/L) FMS FIELD MAINTENANCE SHOP <br />TOLUENE CONCENTRATION ISOPLETH (150 UG/L) OWS OIL/WATER SEPARATOR <br />ETHYLBENZENE CONCENTRATION ISOPLETH (300 UG/L) TPHD TOTAL PETROLEUM HYDROCARBONS <br />AS DIESEL <br />XYLENE CONCENTRATION ISOPLETH (1,750 UG/L) <br />UNPAVED AREA TPHG TOTAL PETROLEUM HYDROCARBONS <br />AS GASOLINE <br />■ STORM DRAIN INLET UG/L MICROGRAMS PER LITER <br />-- SANITARY SEWER LINE UST UNDERGROUND STORAGE TANK <br />® HAZARDOUS MATERIAL NOTE: <br />STORAGE SHED CONCENTRATIONS SHOWN ARE UG/L. <br />NATL GUARD\ 20010502 \ 010502_STOCKTON-GW.DGN VRL <br />Figure 3-5. Groundwater Sample Analytical Concentrations <br />and Isopleths (Versar) <br />