ARCHIVED REPORTS_LIMITED PHASE 2 SOIL REPORT

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TABLE 113 _ SUMMARY OF SOIL ANALYTICAL DATA-METALS PROPERTY LEASE PORT OF STOCKTON anteag roup 1080 WILDLIFE AVENUE,STOCKTON,CALIFORNIA ANTEA GROUP NO. UPR8298B Sample Sample Depth Sample Antimonyl Arsenicl Barium' Beryllium' Cadmium' Chromium' Cobalt' Copper' Leads Mercury Z Molybdenum' Nickell Selenium' Silver' Thalliums Vanadiums Zinc' ID Name Date (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) (mg/kg) RWQCB Direct Exposure Soil Screening Levels n 120 10.0 61,000 180 110 NE 49 12,000 320 27 1,500 6,100 1,500 1,500 3.1 1,500 93,000 Background Reference Concentrations B 0.60 3.5 509 1.28 0.36 122 14.9 28.7 23.9 0.26 1.3 57 0.058 0.80 0.56 112 149 SO-2432-B-101.5-041514 B-ld 1.5' 1.5-2 ft BGS 04/15/14 <0.50 2.1 88 0.14 <0.13 19 5.8 13 4.0 0.015 <0.50 11 <1.0 <0.25 <0.50 49 23 SO-2432-B-1D4.5-041514 B-1d4.5' 4.5-5 ft BGS 04/15/14 <0.49 3.6 120 0.29 <0.12 26 6.8 18 4.1 0.014 0.81 22 <0.98 <0.25 <0.49 42 33 SO-2432-B-205.5-041514 B-2d5.5' 5.5-6 ft BGS 04/15/14 <0.47 6.0 110 0.45 <0.12 28 5.1 26 5.3 0.048 3.5 26 <0.94 <0.24 <0.47 59 26 SO-2432-B-3D5.5-041514 B-36.5' 5.5-6 ft BGS 04/15/14 <0.48 4.8 120 0.45 <0.12 29 6.1 27 5.6 0.025 3.1 26 <0.96 <0.24 <0.48 55 30 SO-2432-B-404.5-041514 B-4d4.5' 4.5-5 ft BGS 04/15/14 <0.48 2.2 96 0.40 0.13 22 3.8 32 4.3 0.011 1.3 25 <0.95 <0.24 <0.48 37 26 SO-2432-B-5D5.5-041514 B-5d5.5' 5.5-6 ft BGS 04/15/14 <0.46 2.8 110 0.28 <0.12 29 6.9 19 4.6 0.041 <0.46 19 <0.93 <0.23 <0.46 41 43 SO-2432-B-601.5-041514 B-6d 1.5' 1.5-2 ft BGS 04/15/14 <0.45 4.8 95 0.29 0.11 25 6.1 24 8.3 0.097 0.81 23 <0.89 <0.22 <0.45 37 39 SO-2432-B-6D5.5-041514 B-6d5.5' 5.5-6 ft BGS 04/15/14 0.51 9.7 60 0.25 <0.12 24 4.0 19 3.3 0.017 1.7 20 <0.96 <0.24 <0.48 36 25 SO-2432-B-701.5-041514 B-7d1.5' 1.5-2 ft BGS 04/15/14 0.69 6.5 140 0.34 0.15 40 8.8 36 9.9 0.14 1.6 33 <0.85 0.28 <0.43 53 61 SO-2432-B-7D3.5-041514 B-7d3.5' 3.5-4 ft BGS 04/15/14 0.64 5.8 110 0.26 <0.099 28 8.3 22 <0.40 0.020 0.48 23 <0.79 <0.20 <0.40 49 47 SO-2432.8-801.5-041514 B-8d 1.5' 1.5-2 ft BGS 04/15/14 <0.50 7.1 140 0.46 1 <0.12 32 5.9 30 7.4 0.068 3.8 32 <0.99 <0.25 <0.50 65 36 SO-2432-B-9D1.5-041614 B-9d1.5' 1.5-2 ft BGS 04/16/14 0.51 7.0 130 0.36 0.13 32 8.1 27 6.1 0.063 2.1 30 <0.80 0.22 <0.40 53 47 SO-2432-B-905.5-041614 B-9d5.5' 5.5-6 ft BGS 04/16/14 0.36 5.8 99 0.30 <0.087 26 4.6 20 1.4 0.022 1.1 23 <0.69 <0.17 <0.35 34 31 SO-2432-B-1OD1.5-041614 B-10d1.5' 1.5-2 ft BGS 04/16/14 0.80 6.5 150 0.15 <0.11 40 10 34 8.2 0.16 <0.45 28 <0.91 0.33 <0.45 47 64 SO-2432-B-11D1.5-041514 B-11d1.5' 1.5-2 ft BGS 04/15/14 <0.48 8.1 120 0.35 0.20 28 7.4 22 16 0.056 1.1 25 <0.95 <0.24 <0.48 44 50 SO-2432-B-11D5.5-041514 B-11d5.5' 5.5-6 ft BGS 04/15/14 0.43 2.6 51 0.22 <0.11 26 9.9 16 3.1 <0.0092 <0.43 18 <0.85 <0.21 <0.43 36 37 SO-2432-B-12D1.5-041514 B-12d1.5' 1.5-2 ft BGS 04/15/14 <0.45 2.6 100 0.38 <0.11 24 3.3 23 4.7 0.017 1.1 18 <0.89 <0.22 <0.45 34 27 SO-2432-B-13D6.5-041514 B-13d6.5' 6.5-7 ft BGS 04/15/14 <0.46 5.7 110 0.30 <0.12 20 8.1 17 4.0 <0.0085 <0.46 18 <0.93 <0.23 <0.46 39 40 SO-2432-B-14D5.5-041514 B-14d5.5' 5.5-6 ft BGS 04/15/14 <0.45 2.2 120 0.36 <0.11 31 4.5 26 5.9 0.023 1.0 21 <0.90 <0.23 <0.45 50 39 SO-2432-B-15D4.5-041614 B-15d4.5' 4.5-5 ft BGS 04/16/14 <0.49 2.4 82 0.40 <0.12 31 4.4 23 5.1 0.050 1.6 18 <0.97 <0.24 <0.49 48 32 SO-2432-B-16D5.5-041614 B-16d5.5' 5.5-6 ft BGS 04/16/14 0.55 3.8 1 90 0.29 <0.11 29 5.5 20 1.9 0.028 1.2 20 <0.85 <0.21 <0.42 44 31 SO-2432-B-17D1.5-041614 B-17d1.5' 1.5-2 ft BGS 04/16/14 <0.45 6.4 130 0.43 0.18 31 9.4 26 7.7 0.058 1.8 31 <0.89 <0.22 <0.45 51 43 SO-2432-B-17D5.5-041614 B-17d5.5' 5.5-6 ft BGS 04/16/14 <0.39 2.3 67 0.32 <0.097 31 4.4 22 5.5 0.042 0.97 19 <0.78 <0.19 <0.39 56 37 SO-2432-B-18D1.5-041614 B-18d1.5' 1.5-2 ft BGS 04/16/14 <0.45 7.6 130 0.43 0.23 34 9.0 27 10 0.060 2.1 32 <0.91 <0.23 <0.45 54 55 SO-2432-B-18D6.5-041614 B-18d6.5' 6.5-7 ft BGS 04/16/14 <0.87 3.7 65 0.60 0.32 32 25 24 6.2 0.042 1.5 33 <1.7 <0.43 <0.87 44 92 SO-2432-B-19D1.5-041614 B-19d1.5' 1.5-2 ft BGS 04/16/14 0.67 7.8 120 0.27 <0.11 31 8.2 22 2.7 0.042 1.8 28 <0.86 <0.22 <0.43 49 41 SO-2432-B-19D3.5-041614 B-19d3.5' 3.5-4 ft BGS 04/16/14 <0.63 1.8 110 0.51 <0.16 31 6.7 20 5.3 0.031 <0.63 21 <1.3 <0.32 <0.63 33 38 SO-2432-B-20D1.5-041614 B-20d 1.5' 1.5-2 ft BGS 04/16/14 <0.38 1.7 140 0.41 <0.095 33 6.5 19 5.1 0.026 <0.38 27 <0.76 <0.19 <0.38 44 41 SO-2432-B-2OD3.5-041614 B-20d3.5' 3.5-4 ft BGS 04/16/14 0.76 3.5 110 <0.079 <0.098 29 5.3 18 0.49 0.030 <0.39 17 <0.79 <0.20 <0.39 41 39 SO-2432-B-21D1.5-041614 B-21d1.5' 1.5-2 ft BGS 04/16/14 0.95 7.8 160 0.54 <0.12 34 6.4 29 4.8 0.018 0.69 35 <1.9 <0.23 <0.47 44 38 SO-2432-B-21D3.5-041614 B-21d3.5' 3.5-4 ft BGS 04/16/14 <0.69 1.8 100 0.47 <0.17 30 7.0 19 4.9 0.028 <0.69 23 <1.4 <0.34 <0.69 46 51 SO-2432-B-22D5.5-041614 B-22d5.5' 5.5-6 ft BGS 04/16/14 <0.38 120 0.25 0.28 25 6.0 22 1.3 0.023 0.91 38 <0.77 0.25 <0.38 39 36 SO-2432-B-23D5.5-041614 B-23d5.5' 5.5-6 ft BGS 04/16/14 0.48 6.7 160 0.32 <0.098 29 11 26 <0.39 <0.0094 0.75 32 <0.79 0.20 <0.39 41 32 SO-2432-B-24D2.5-041614 B-24d2.5' 2.5-3 ft BGS 04/16/14 <0.45 2.9 82 <0.089 <0.11 22 9.8 10 <0.45 0.013 <0.45 15 <0.89 <0.22 <0.45 36 31 SO-2432-B-2501.5-041614 B-25d 1.5' 1.5-2 ft BGS 04/16/14 <0.68 2.4 120 <0.068 <0.17 34 9.6 21 4.3 0.014 <0.34 29 <1.4 <0.34 <0.68 42 49 SO-2432-B-25D5.5-041614 B-25d5.5' 5.5-6 ft BGS 04/16/14 0.80 2.8 93 <0.081 <0.10 25 6.5 14 <0.40 0.020 <0.40 20 <0.81 <0.20 <0.40 38 37 SO-2432-B-26D3.5-041614 B-26d3.5' 3.5-4 ft BGS 04/16/14 0.78 2.5 110 <0.084 <0.11 31 10 19 <0.42 0.022 <0.42 37 <0.84 <0.21 <0.42 48 40 SO-2432-B-27D1.5-041614 B-27d1.5' 1.5-2 ft BGS 04/16/14 <0.36 S.9 130 0.41 0.10 32 7.5 20 29 0.028 0.84 27 <0.73 <0.18 <0.36 47 41 SO-2432-B-27D4.5-041614 B-27d4.5' 4.5-5 ft BGS 04/16/14 <0.44 S.3 130 0.42 0.11 29 6.5 24 5.5 0.040 1.4 28 <0.88 <0.22 <0.44 49 38 SO-2432-B-28D1.5-041614 B-28d1.5' 1.5-2 ft BGS 04/16/14 <0.42 1.6 97 0.19 <0.11 26 7.0 15 3.4 0.020 <0.42 18 <0.85 <0.21 <0.42 39 37 SO-2432-B-28D3.5-041614 B-28d3.5' 3.5-4 ft BGS 04/16/14 <0.45 1.3 59 0.21 <0.11 32 7.5 21 3.4 0.012 <0.45 26 <0.91 <0.23 <0.45 1 38 45 Abbreviations: Notes: RWQCB-Regional Water Quality Control Board 1. 17 CAM metals analyzed by EPA Method 60108 EPA-Environmental Protection Agency 2. Analyzed by EPA Method 7471A <-Analyte not detected above the laboratory's A.Direct Exposure Screening Levels for Construction/Trench Worker Exposure Scenario(California Regional Water Quality minimum reporting level Control Board-SF Bay Region's Screening for Environmental Concerns at Sites with Contaminated Soil and Groundwater) mg/kg-milligrams per kilogram B.Mean background soil concentration from Background Concentrations of Trace and Major Elements in California Soils, ft-feet Kearney Foundation of Soil Science-Division of Agriculture and Natural Resources,University of California,March 1996 BGS-below ground surface -concentrations indicate exceedance of RWQCB Direct Exposure Soil Screening Levels for construction/trench worker scenario BOLD concentrations indicate exceedance of background reference concentrations 1of1