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TABLE 6 <br /> SUMMARY OF GROUNDWATER SAMPLE RESULTS FOR TPH <br /> TPH-GRO TPH-DRO TPH-ORO <br /> Sample Date µg/L µg/L µg/L <br /> SB1-GW 08/06/21 ND 981 1,316 <br /> SB2-GW 08/06/21 ND 54.3 149 <br /> SB3-GW 08/06/21 ND 213 867 <br /> Tier 1 Groundwater ESL 100 100 NP <br /> Notes: <br /> Groundwater TPH Full-range organics concentrations analyzed via EPA Method 8015B <br /> ND=Constituent Not Detected Above Laboratory Reporting Limits <br /> a/Refers to Tier 1 San Francisco Bay Regional Water Quality Control Board Environmental Screening <br /> Levels(ESL),January 2019. <br /> NP=No relevant standard published <br /> ND=Constituent not detected <br /> NA=Constituent not analyzed <br /> 202107-8656 Phase II Report Tables <br /> 2546 Turnpike Road,Stockton,CA Page 9 of 10 <br />