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AntimonySilverArsenicBariumBerylliumCadmiumChromiumCobaltCopperLeadMolybdenumNickelSeleniumThalliumVanadiumZincMercuryBrusca Reference No. 137-002 <br />SAMPLE ID <br />DATE <br />SAMPLED <br />TITLE 22 METALS <br />EPA Method 6010B/200.7 <br />TABLE I <br />SUMMARY OF TOTAL METALS DATA <br />VERIFICATION SOIL SAMPLES <br />48-ACRE MURPHY PARKWAY PROPERTY <br />17100 Murphy Parkway, Lathrop, San Joaquin County, California <br />VS63 4/13/18 ND ND <br />VS65 4/13/18 ND ND ND 26 ND ND 3.7 2.7 1.9 ND ND 3.4 ND ND 11 11 ND <br />VS66 4/13/18 ND ND <br />VS68 4/13/18 ND 12 <br />VS70 4/13/18 ND ND <br />500 500 500 10,000 75 100 2,500 8,000 2,500 1,000 3,500 2,000 100 700 2,400 5,000 20 <br />N/A 390 0.11 6 N/A 15 5.2 36,000 N/A N/A 80 N/A 490 N/A N/A 390 N/A 1.0 <br />N/A 1,500 0.36 6 N/A 210 7.3 170,000 N/A N/A 320 N/A 3,100 N/A N/A 1,000 N/A 4.5 <br />31 390 0.68 6 15,000 160 71 120,000 23 3,100 400 390 1,500 390 0.78 390 23,000 11 <br />470 5,800 3.0 6 220,000 2,300 980 1,800,000 350 47,000 800 5,800 22,000 5,800 12 5,800 350,000 46 <br />Notes: <br />6. Arsenic data for the project are compared to background concentration of 8.6 mg/kg rather than cited screening levels. <br />1. All concentrations expressed in milligrams per kilogram (mg/kg) <br />2. California Code of Regulations Title 22, Division 4.5 <br />3. DTSC-Modified Screening Levels (DTSC-SLs); January 2018 <br />4. USEPA Regional Screening Levels, TR=1E-06, HQ=1”; November 2017 <br />DTSC SLs - residential3 <br />USEPA RSLs - residential4 <br />Hazardous Waste Criteria2 <br />DTSC SLs - commercial3 <br />USEPA RSLs - commercial4 <br />SCREENING LEVELS <br />5. N/A = screening value not established <br />Page 3 of 3