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TABLE 1:GROUNDWATER SAMPLE DATA SUMMARY <br /> 1919 North Broadway Ave,Stockton,CA <br /> Ammonia 1,2- 1,2- 1,2,3- Nitrate Nitrate Nitrite Nitrite Nitrate& All Remaining <br /> Location Depth as N Dichloropropane Dibromoethane DBCP Trichloropropane TKN as N as N as NOY as N as NO2- Nitrite as N VOCs <br /> ID Date (feet bgs) (pg/L) (Ng/L) (ug/L) (pg/L) (pg/L) (Ng/L) (pg/L) (pg/L) (ug/L) (Ng/L) (Ng/L) (Ng/L) <br /> HP-2 1/6/2015 60 32 52 <1.0 <0.4 7.3 38 180 790 0.26 0.86 180 <MRL <br /> Comparison Values: <br /> ESL Table F-1a: Groundwater -- 5.0 0.05 0.2 -- -- -- -- -- -- -- varies <br /> MCL Screening Levels -- 5.0 0.05 0.002 -- -- 1.0 45 -- - 10 varies <br /> CDPH Notification Levels -- -- -- -- 0.005 -- -- -- -- -- -- varies <br /> Notes: <br /> mg/kg milligrams per kilogram <br /> <MRL less than the method reporting limit <br /> NA not analyzed <br /> bgs below ground surface <br /> N/A not applicable <br /> -- not available <br /> DBCP 1,2-Dibromo-3-chloropropane <br /> TKN Total Kjelahl Nitrogen <br /> VOCs Volatile Organic Compounds <br /> Bold Result exceeds applicable Comparison Value <br /> Comparison Values: <br /> ESL Table F-la: Groundwater Screening Levels for Commercial/Industrial Land Use(groundwater is a current or potential drinking water resource) <br /> From December 2013 ESL Workbook, Prepared by the San Francisco Bay Regional Water Quality Control Board. <br /> MCL Screening Levels: California's Maximum Contaminant Levels for Regulated Drinking Water Contaminants,June 2014. <br /> CDPH Notification Levels: California Department of Public Health Notification Levels compiled by the staff of the Groundwater Ambient Monitoring and Assessment Program(GAMA), November 2009. <br /> Page 1 of 1 <br />