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Lakewood Plaza Former Dry Cleaner, Lodi - 3 - 26 August 2024 <br /> you with the cost recovery agreement and related information as a separate <br /> correspondence. The related information will include an explanation of Central <br /> Valley Water Board staff expectations, logistics, billing rates, and expected <br /> oversight costs for the current fiscal year. This cost recovery agreement must be <br /> signed and in place before Central Valley Water Board staff can review any <br /> further submitted documents related to this case. <br /> Table 1 — Summary of Maximum 2023 & 2024 CVOC Concentrations <br /> Depth PCE TCE 11-DCE cis-1,2- trans-1,2- Vinyl <br /> (ft bgs) , DCE DCE Chloride <br /> GROUNDWATER (ug/L) <br /> 30-50 <1 -- -- -- -- -- <br /> Commercial ESL 2.8 -- -- -- -- -- <br /> SOIL (mg/kg) <br /> 2-35 0.016 <0.005 <0.005 <0.005 <0.005 <0.005 <br /> Commercial ESLB 2.7 7.5 280 210 920 0.14 <br /> SOIL GAS (ug/m3) <br /> Sub-Slab 13,000 20 <4 <4 <4 <2.6 <br /> 5 7,000 270 <24 37 <24 -- <br /> 10 4,300 44 <14 <14 <14 <9.2 <br /> 15 6,800 340 <16 30 <16 <10 <br /> 30 960 <5 <3.8 <3.8 <3.8 <2.4 <br /> Commercial ESLc 67 100 10,000 1,200 12,000 5.2 <br /> INDOOR AIR (ug/m3) <br /> -- 4.5 <0.13 <0.050 <0.099 <0.50 <0.032 <br /> Commercial ESL° 2.0 3.0 310 35 350 440 <br /> AMBIENT AIR (ug/m3) <br /> -- <1.7 <0.13 <0.096 <0.094 <0.47 <0.030 <br /> PCE= tetrachloroethylene; TCE= trichloroethylene; DCE= dichloroethane; ug/L= micrograms <br /> per liter; mg/kg= milligrams per kilogram; ug/m3= micrograms per cubic meter; bold= value <br /> above laboratory reporting limit; grey= value above ESLSan Francisco Bay Water Board <br /> Commercial/Industrial Groundwater Vapor Intrusion Human Health Risk Environmental <br /> Screening Level. Either Cancer Risk or Non-Cancer Hazard, whichever is lower. <br /> A San Francisco Bay Water Board Commercial/Industrial Groundwater Vapor Intrusion <br /> Human Health Risk Environmental Screening Level. Either Cancer Risk or Non-Cancer <br /> Hazard, whichever is lower. <br /> B San Francisco Bay Water Board Commercial/Industrial Shallow Soil Direct Exposure <br /> Human Health Risk Environmental Screening Level. Either Cancer Risk or Non-Cancer <br /> Hazard, whichever is lower. <br /> c San Francisco Bay Water Board Commercial/Industrial Sub-Slab/Soil Gas Vapor Intrusion <br /> Human Health Risk Environmental Screening Level. Either Cancer Risk or Non-Cancer <br /> Hazard, whichever is lower. <br /> ° San Francisco Bay Water Board Commercial/Industrial Indoor Air Direct Exposure Human <br /> Health Risk Environmental Screening Level. Either Cancer Risk or Non-Cancer Hazard, <br /> whichever is lower. <br />