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Gerx- <br /> GENESIS ENGINEERING 8 REDEVELOPMENT <br /> Table A-4 <br /> DePaoli Property <br /> Historic Analytical Data <br /> On-Site Groundwater Analytical Results <br /> (1983-1984) <br /> Sample Arsenic Chromium Iron Manganese Zinc Chromium(III) Chromium(VI) <br /> Location Sample Date (mg/LmgiL) (mg1L) (mg/L) (m91L) (mg/L) (mg1L) <br /> Historic Data Summarized in Condor Environmental Management 1988 Waste Characterization Analysis Report <br /> OH-1 3/31/83 0.02 NR 192 10 0.55 0.76 0.05 <br /> OH-1 5/3/83 <0.01 NR 152 8.5 0.1 0.09 <0.03 <br /> OH-1 6/2/83 <0.01 NR 200 10.4 0.24 0.12 <0.03 <br /> OH-1 6/9/83 <0.004 NR 186 10.6 0.26 0.05 <0.02 <br /> OH-1 9/1/83 <0.05 NR 227 9.6 0.36 0.1 <0.1 <br /> OH-1 12/1/83 0.05 NR 365 9.1 0.65 0.15 <0.1 <br /> OH-1 3/7/84 0.03 NR 274 11 0.36 0.4 <0.2 <br /> OH-1 5/9/84 0.02 <0.1 NR NR NR NR NR <br /> OH-1 5/18/84 0.001 <0.2 NR NR 0.08 <0.1 <0.1 <br /> OH-2 3/31/83 0.02 NR NR NR 0.25 0.59 0.24 <br /> OH-2 5/3/83 0.02 NR NR NR 0.16 0.11 <0.03 <br /> OH-2 6/2/83 <0.01 NR NR NR 0.07 0.32 <0.03 <br /> OH-2 6/9/83 <0.004 NR NR NR 0.24 0.1 <0.02 <br /> OH-2 9/1/83 <0.05 NR NR NR 0.85 0.1 <0.1 <br /> OH-2 12/1/83 0.05 NR NR NR 0.8 0.45 <0.1 <br /> OH-2 3/7/84 0.03 NR NR NR NR 1 <0.2 <br /> OH-2 5/9/84 <0.01 0.84 NR NR NR NR NR <br /> OH-2 5/18/84 0.001 <0.2 NR NR NR <0.1 <0.01 <br /> ESL(mg/L.) <br /> Shallow Soils(<3m bgs) <br /> Groundwater is not a current 5.00E+01 5.00E+01 NL NL 5.00E+01 5.00E+01 5.00E+01 <br /> or potential drinking source <br /> NOTES: <br /> - <"Indicates the analyte was less than the listed Analytical Laboratory Reporting Limit <br /> - "NR"Data Not Reported <br /> -"ESL"refers to Screening For Environmental Concerns at Sites with Contaminated Soil and Groundwater, <br /> Interim Final-November 2007(California Water Quality Control Board) <br /> - "NL"Value Not Listed <br /> Site Investigation Work Plan <br /> DePaoli Property <br /> November 14,2007 Page 1 of 1 <br />