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TABLE B-1 - HISTORICAL SOIL LABORATORY ANAL \ TI 'AL DATA Former Helena Chemical Facility 2245 W. Charter Way Stockton CA Analyte TKN Nitrate as N Ammonia asN TPH OCP OPP As Ba Cd Cr Pb Ni Se Ag Zn Hg EPA Method 351.261 300 350.1 8015M 80111 8141 6010B 6010B 601011 60108 60108 6010B 6010B 60164 60108 7471A Units 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 mg/kg mg/kg mg/kg onsultant ID. Date Anderson B22-5 0/23/2013 10.3 25.5 - Anderson B23-3 8/23/2013 86.7 182.0 - - - Anderson B24-2 8/23/2013 16.2 27.3 42.3 - - - - Anderson B24-5 0/23/2013 33.2 30.8 43.0 - - - Anderson B25-2 8/23/2013 39.9 64.4 40.4 - - - Anderson B25-5 8/23/2013 167 24.2 131 - - - Anderson B26-2 8/23/2013 22.8 0.210 47.2 - - - Anderson B26-5 8/23/2013 121.0 6.02 110 - - Anderson B27-2 8/23/2013 43.6 2.79 47.5 Anderson 027-5 8/23/2013 46.5 0.500 /44 Condor 828-2 5/2/2016 530 39 14 Condor B28-5 5/2/2016 110 13 9.7 - - - Condor B28-12 5/2/2016 78 0,42 10 - - Condor B29-2 5/2/2016 370 4.2 13 - - - Condor 1329-5 5/2/2016 120 12 <5.0 - - - Condor B29-6 5/2/2016 53 14 5.4 - - -- - Condor B29-12 5/2/2016 98 <0.26 30 - - - -- Condor B30-2 5/2/2016 870 <0.26 77 - - - - - Condor B30-5 5/2/2016 2400 <0.26 110 - - - - - Condor B30-12 5/2/2016 130 <0.26 5.3 - - - Condor 1331-2 5/2/2016 990 <0.26 84 - - - - - Condor B31-5 5/2/2016 440 0.52 19 - - - Condor B31-I2 5/2/2016 120 <0.26 16 - - - - -- Condor 832-2 5/3/2016 140 4.1 17 - - - - - - Condor B32-5 5/3/2016 260 6.8 18 -- - - Condor B32-I2 5/3/2016 120 <0.26 16 - - - - -- -- Condor B33-2 5/3/2016 830 <0.26 31 ND ODD 0.000241 DDE 0.0027 DDT 0.00045.1 ND - 0.060 32 8.8 2v 43 Condor B33-4 5/3/2016 480 1.4 18 ND DDE 0.00012 ND - - <0.052 24 4.7 21 - 34 Condor 833-5 5/3/2016 360 <0.26 13 TPH-D 8.93 TPH-M 110 DDE 0.00012 ND - - <0.052 27 6.3 22 - 45 Condor B33-I2 5/3/2016 82 1.3 9.4 ND ND ND - - <0.052 21 3.8 16 - 43 Condor 034-2 5/3/2016 520 61 16 - - - - Condor B34-5 5/3/2016 120 86 11 - - - - Condor 1334-12 5/3/2016 110 21 11 - - Condor B35-2 5/3/2016 920 1.6 45 - - - Condor B35-5 5/3/2016 1200 1.1 37 - Condor B35-I2 5/3/2016 47 5.8 11 - - - -- Condor 1336-2 5/3/2016 770 14 28 - - Condor B36-5 5/3/2016 540 7.9 21 Condor B36-I2 5/3/2016 240 1.2 12 - - --- Condor 837-2 5/3/2016 960 150 27 TPH-M 8.21 DOD 0.000641 DDE 0.0098 DDT 0.0060 Dieldrin 0.000551 ND 0.096 38 9.3 34 4s Condor 1337-5 5/3/2016 230 41 15 ND ND ND - - <0.052 26 5.0 22 - 39 Condor 1337-12 5/3/2016 63 16 9.9 ND ND ND - - <0.052 18 4.116 --- 47 Condor B38-2 5/3/2016 170 1.6 14 TPH-D 6.11 TPH-M 37 ND ND - <0.052 28 5.4 24 - - 45 Condor B38-5 5/3/2016 290 21 13 TPH-D 21 TPH-M 330 DDD DDT 0.00019 0.0017 ND 0.30 27 16 --- 26 - 69 Condor B38-6 5/3/2016 110 35 27 ND ND ND - - 0.053 23 4.1 20 - - 47 Condor B38-I2 5/3/2016 99 27 II ND ND ND - <0.052 21 4.8 18 - - 51 Condor 1339-2 5/4/2016 660 100 28 - - - - - - - - Condor B39-5 5/4/2016 44 83 6.4 - - - - - - - Condor B39-I2 5/4/2016 87 26 7.9 - - - - - - - - Condor B40-2 5/4/2016 1100 180 32 - - - - Condor B40-5 5/4/2016 1300 140 40 - - - - - - Condor 1340-12 5/4/2016 110 27 9.9 - - - - - - Condor B41-2 5/4/2016 1000 92 44 - - - - Condor 1341-3 5/4/2016 950 100 43 - - - - - Condor B4I-5 5/4/2016 540 44 29 -- -- - Condor B41-I2 5/4/2016 86 15 14 - - - - Condor 841-20 5/4/2016 140 18 6.4 - - - - - - Condor B4I-25 5/6/2016 55 12 12 -- - - - - - Condor B4I-26 5/6/2016 59 8.3 8.1 - -- Condor B41-30 5/6/2016 21 1.2 8.1 - - - -- Condor B4)-35 5/6/2016 72 1.3 12 -- [EPA Regional Screeninc Level NE 19,000 NE 44/3,300. 0 14.. Vales 30 2,200 96 180061 00 2.200 580 560 15,000 35 Notes: TI(S) =Total Kjeldahl Nitrogen; TPH = Total Petroleum Hydrocarbons including Diesel (TPH-D) and Motor Oil (TPH-M1; CC? - Organochlonne Pesticides; OPP = Organophosphatc Pesticides As = Arsenic; Ba = Barium; Cd = Cadmium; Cr = Chromium; Pb = Lead; Ni = Nickel; Sr = Selenium; Ag = Silver; Zn = Zinc; Hg = Mercury; mg/kg = milligrams per kilogram = parts per million (ppm) = Not Analyzed; ND = Not detected at or above laboratory detection haul; <= Not detected above indicated method detection limit: )= Estimated Value (Contract Laboratory Program Flag) EPA Regional Screening Level (RSL) for Industrial Soil. June 2017 (htips://www.epa.gov/risk/regional-screening-levels-rsts); NE = Not established; n = OSLO for TPH<VTPH-M; •• = Lowest RSL of group for dieldnu X:\ Project6000firj16847 Raymond Investments - Helena ChemicahData120170801-6847 historical.xlsxTable B1 Soil