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TABLE B-1-HISTORICAL SOIL LABORATORY ANALYTICAL DATA <br /> Former Helena Chemical Facility,2245 W.Charter Way,Stockton,CA <br /> Analyte TKN Nitrate as Ammonia 123-TCP TPH OCP OPP As Ba Cd Cr Ph Ni Se Ag Zn Hg <br /> N as N <br /> EPA Method 351.2M 300 350.1 8260B 8015M 8081 8141 6010B 6010B 6010B 6010B 6010B 6010B 6010B 6010B 6010B 7471A <br /> Units mg/kg mg/kg mg/kg ug/L mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg <br /> Consultant amp a ate <br /> Condor B42-30 6/25/2018 -- 1.0 -- <0.0050 -- - - -- -- -- -- - - - -- - -- <br /> Condor B43-2 6/27/2018 -- 6.0 -- <0.0050 -- - - -- -- -- -- - - - -- - -- <br /> Condor B43-5 6/27/2018 -- 24 - <0.0050 -- - - -- -- -- -- - - - -- - -- <br /> Condor B43-10 6/27/2018 -- 31 - <0.0050 -- - - -- -- -- -- - - - -- - -- <br /> Condor B43-15 6/27/2018 31 - <0.0050 <br /> Condor B43-20 6/27/2018 25 - <0.0050 <br /> Condor B43-30 6/27/2018 0.901 - <0.0050 <br /> Condor B44-2 6/25/2018 -- 59 - <0.0050 - - - -- -- -- -- - - - -- - -- <br /> Condor B44-5 6/25/2018 -- 13 - <0.0050 - - - -- -- -- -- - - - -- - -- <br /> Condor B44-9.5 6/25/2018 -- 44 - <0.0050 -- - - -- -- -- -- - - - -- - -- <br /> Condor B45-2 6/25/2018 -- 14 - <0.0050 -- - - -- -- -- -- - - - -- - -- <br /> Condor B45-5 6/25/2018 -- 78 - <0.0050 -- - - -- -- -- -- - - - -- - -- <br /> Condor B45-10 6/25/2018 -- 50 - <0.0050 - - - -- -- -- -- - - - -- - -- <br /> Condor B46-2 6/27/2018 L 1 - <0.0050 <br /> Condor B46-3-5 <br /> Duplicate 6/27/2018 -- 1.7 - <09050 <br /> Condor B46-5 6/27/2018 0.587 - <0.0050 <br /> Condor B46-10 6/27/2018 2.1 - <0.0050 <br /> Condor B46-15 6/27/2018 0.377 - <0.0050 <br /> Condor B47-2 6/27/2018 15 - <0.0050 <br /> Condor B47-5 6/27/2018 23 - <0.0050 <br /> Condor B47-10 6/27/2018 15 - <0.0050 <br /> Condor B47-15 6/27/2018 16 - <0.0050 <br /> Condor MW5-5 6/26/2018 -- LI - <0.0050 -- - - -- -- -- -- - - - -- - -- <br /> Condor MW5-10 6/26/2018 -- 1.8 - <0.0050 - - - -- -- -- -- - - - -- - -- <br /> Condor MW4-5 6/26/2018 -- 3.9 - <09050 -- - - -- -- -- -- - - - -- - -- <br /> -- <0.0050 -- -- -- -- -- -- -- -- -- <br /> Condor MW4-10 6/26/2018 -- 6.1 -- -- -- -- <br /> Condor B48-5 7/2/2019 -- 31 - <0.0050 -- - - -- -- -- -- - - - -- - -- <br /> Condor B48-10 7/2/2019 -- 31 - <0.0050 - - - -- -- -- -- - - - -- - -- <br /> Condor B48-15 7/2/2019 -- 57 - <0.0050 -- - - -- -- -- -- - - - -- - -- <br /> Condor B48-00 7/2/2019 -- 25 -- <0.0050 <br /> Du licate IS <br /> Condor B48-25 7/2/2019 -- 1.3 -- <0.0050 -- -- -- -- -- -- -- -- -- -- -- -- -- <br /> Condor B49-5 7/1/2019 -- 2.6 -- <0.0050 -- -- -- -- -- -- -- -- -- -- -- -- -- <br /> Condor B49-10 7/1/2019 -- 43 -- <0.0050 -- -- -- -- -- -- -- -- -- -- -- -- -- <br /> Condor B49-15 7/1/2019 -- 32 -- <0.0050 -- -- -- -- -- -- -- -- -- -- -- -- -- <br /> Condor B49-25 7/1/2019 -- 1.5 -- <0.0050 -- -- -- -- -- -- -- -- -- -- -- -- -- <br /> Condor B50-5 7/1/2019 -- <1.0 -- <0.0050 -- -- -- -- -- -- -- -- -- -- -- -- -- <br /> Condor B50-10 7/1/2019 -- <1.0 -- <0.0050 -- -- -- -- -- -- -- -- -- -- -- -- -- <br /> Condor B50-15 7/1/2019 -- <1.0 -- <0.0050 -- -- -- -- -- -- -- -- -- -- -- -- -- <br /> Condor B50-30 7/1/2019 -- <I9 -- <0.0050 -- -- -- -- -- -- -- -- -- -- -- -- -- <br /> EPA Regional Screening Level NE 1,900,000 NE 0.11 44/3,300* 0.14 Varies 3.0 2,200 98 180,000 800 2,200 580 580 35,000 35 <br /> Notes: <br /> TKN=Total Kjeldahl Nitrogen;TCP=Trichloropropane;TPH=Total Petroleum Hydrocarbons including Diesel(TPH-D)and Motor Oil(TPH-M);OCP-Organochlorine Pesticides;OPP=Organophosphate Pesticides <br /> As=Arsenic;Ba=Barium;Cd=Cadmium;Cr=Chromium;Pb=Lead;Ni=Nickel;Se=Selenium;Ag=Silver;Zn=Zinc;Hg=Mercury;mg/kg=milligrams per kilogram=parts per million(ppm) <br /> --=Not Analyzed;ND=Not detected at or above laboratory detection limit;<=Not detected above indicated method detection limit;I=Estimated Value(Contract Laboratory Program Flag) <br /> EPA Regional Screening Level(RSL)for Industrial Soil,May 2018(https://www.epa.gov/risk/regional-screening-levels-rsls);NE=Not established;*=RSLs for TPH-d/TPH-M;**=Lowest RSL of group for dieldrin <br /> X:\Project\6000_prj\6847 Raymond Investments-Helena Chem ical\Reports\202001\20200409-6847 historical.xlsxTable B1 Soil <br />