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FMS <br />Analyte Concentration <br />TPHG <br />8 500 <br />TPHD <br />ND <br />Benzene <br />24,000 <br />Toluene <br />380 <br />Ethylbenzene <br />2,300 <br />Xylenes <br />3,720 <br />Lead <br />ND <br />Oxygenates <br />ND <br />VEHI LE <br />INSPE TION <br />RAQK- <br />0 125 <br />Scale in Feet <br />OWS INLET <br />• % FORMER IE�11S7 <br />(FORMER <br />/ <br />GASOLINE <br />OINE <br />.� B32 �( � <br />Analyte Concentration �' `� • 630 ! <br />TPHG 2,400 `\'�`\` \� ❑ �� Vii/ <br />TPHD ND <br />Benzene 53 <br />Toluene 380 <br />Ethylbenzene 330 B31 / <br />Xylenes 1,550 <br />Lead ND <br />Oxygenates ND <br />Analyte Concentration <br />■ <br />TPHG <br />74,000 <br />TPHD <br />1,400 <br />Benzene <br />3,900 <br />CONCRETE <br />Toluene <br />6,000 <br />WASH PAD TO <br />Ethyylbenzene <br />920 <br />HOLDING TANK <br />X <br />Lead <br />4,900 <br />NS <br />�I <br />Oxvaenates <br />ND <br />OWS INLET <br />• % FORMER IE�11S7 <br />(FORMER <br />/ <br />GASOLINE <br />OINE <br />.� B32 �( � <br />Analyte Concentration �' `� • 630 ! <br />TPHG 2,400 `\'�`\` \� ❑ �� Vii/ <br />TPHD ND <br />Benzene 53 <br />Toluene 380 <br />Ethylbenzene 330 B31 / <br />Xylenes 1,550 <br />Lead ND <br />Oxygenates ND <br />I NATL GUARD\ 20010502 \ 010502_STOCKTON-GW.DGN VRL ' <br />Figure 3-5. Groundwater Sample Analytical Concentrations <br />and Isopleths <br />■ <br />CONCENTRATIONS BOLDED EXCEED <br />ITS RESPECTIVE WATER QUALITY <br />GOAL (TASTE AND ODOR THRESHOLD <br />LEGEND: <br />OR PRIMARY MCL) <br />0 <br />PREVIOUS BOREHOLE LOCATION <br />MCL MAXIMUM CONTAMINANT LEVEL <br />TPHG CONCENTRATION ISOPLETH (5 UG/L) <br />ND NON -DETECT <br />TPHD CONCENTRATION ISOPLETH (100 UG/L) <br />NS NOT SAMPLED <br />BENZENE CONCENTRATION ISOPLETH (1 UG/L) <br />FMS FIELD MAINTENANCE SHOP <br />TOLUENE CONCENTRATION ISOPLETH (150 UG/L) <br />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 />TPHG TOTAL PETROLEUM HYDROCARBONS <br />AS <br />UNPAVED AREA <br />GASOLINE <br />■ <br />STORM DRAIN INLET <br />UG/L MICROGRAMS PER LITER <br />— — <br />SANITARY SEWER LINE <br />UST UNDERGROUND STORAGE TANK <br />® <br />HAZARDOUS MATERIAL <br />NOTE: <br />STORAGE SHED <br />CONCENTRATIONS SHOWN ARE UG/L. <br />I NATL GUARD\ 20010502 \ 010502_STOCKTON-GW.DGN VRL ' <br />Figure 3-5. Groundwater Sample Analytical Concentrations <br />and Isopleths <br />