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VEHICLE <br />INSPECTION <br />RACK— <br />l <br />u L <br />Analyte <br />Concentration <br />TPHD <br />6.3 <br />Benzene <br />0.12 <br />Toluene <br />0.37 <br />Ethylbenzene 1.1 <br />Xylenes <br />5 <br />Lead <br />8 <br />0 125 <br />Scale in Feet <br />--- <br />CONCRETE <br />Analyte Concentration <br />Toluene <br />WASH PAD TO <br />Ethylbenzene <br />HOLDING TANK <br />TPHG 0.72 <br />50.4 <br />Benzene 0.035 <br />3.5 <br />OWS INLET <br />Toluene 0.019 <br />PRG <br />PRELIMINARY REMEDIATION GOAL <br />Ethylbenzene 0.0063 <br />IL�JI <br />---\ <br />Xylenes 0.0197 <br />FORMER DIESEL UST <br />TOTAL PETROLEUM HYDROCARBONS <br />FORMER <br />GASOLINE <br />— — – SANITARY SEWER LINE <br />UST <br />B32 <br />AS GASOLINE <br />® HAZARDOUS MATERIAL <br />• 1330 <br />• <br />STORAGE SHED <br />UST <br />UNDERGROUND STORAGE TANK <br />BOLD EXCEEDS COMPARISON CRITERIA <br />MP ISLAND <br />Analyte Concentration <br />TPHD <br />260 <br />Toluene <br />3.4 <br />Ethylbenzene <br />18 <br />Xylenes <br />50.4 <br />Lead <br />3.5 <br />• B31 <br />vlz <br />i <br />LEGEND: <br />MG/KG <br />MILLIGRAMS PER KILOGRAM <br />O PREVIOUS BOREHOLE LOCATION <br />FMS <br />FIELD MAINTENANCE SHOP <br />100 MG/KG CONCENTRATION CONTOUR <br />OWS <br />OIL/WATER SEPARATOR <br />FOR TPHD (TRI -REGIONAL BOARD GUIDELINE) <br />PRG <br />PRELIMINARY REMEDIATION GOAL <br />UNPAVED AREA <br />TPHD <br />TOTAL PETROLEUM HYDROCARBONS <br />■ STORM DRAIN INLET <br />AS DIESEL <br />— — – SANITARY SEWER LINE <br />TPHG <br />TOTAL PETROLEUM HYDROCARBONS <br />AS GASOLINE <br />® HAZARDOUS MATERIAL <br />STORAGE SHED <br />UST <br />UNDERGROUND STORAGE TANK <br />BOLD EXCEEDS COMPARISON CRITERIA <br />NOTE <br />CONCENTRATIONS SHOWN ARE MG/KG. <br />ONLY <br />ANALYTES THAT HAVE BEEN DETECTED <br />FT BGS FEET BELOW GROUND SURFACE <br />ARE SHOWN. <br />ANALYTES NOT SHOWN WERE <br />NON -DETECT. <br />NATL GUARD\ 20010502 \ 010502 -STOCK TON- SOIL35FT.DGN VRL <br />Figure 3-3. Soil Sample Analytical Concentrations <br />and Contours at 35 FT BGS <br />11 <br />