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Sample Date <br />Prepared <br />TTLC <br />LIMIT <br />TCLP <br />LIMIT <br />STLC <br />LIMIT <br />12/31/2024 mg/kg mg/L mg/L <br />Antimony and/or antimony compounds mg/kg 0.52 500 *15 <br />Arsenic and/or arsenic compounds mg/kg 1.6 500 5 5 <br />Barium and/or barium compounds mg/kg 16 10000 100 100 <br />Beryllium and/or beryllium compounds mg/kg ND 75 *0.75 <br />Cadmium and/or cadmium compounds mg/kg ND 100 1 1 <br />Chromium and/or chromium (III) compounds mg/kg 57 2,500 5 5 <br />Cobalt and/or cobalt compounds mg/kg 7.8 8,000 *80 <br />Copper and/or copper compounds mg/kg 89 2,500 *25 <br />Lead and/or lead compounds mg/kg 4.2 1,000 5 5 <br />Mercury and/or mercury compounds mg/kg ND 20 0.2 0.2 <br />Molybdenum and/or molybdenum compounds mg/kg 8 3500 *350 <br />Nickel and/or nickel compounds mg/kg 67 2,000 *20 <br />Selenium and/or selenium compounds mg/kg ND 100 1 1 <br />Silver and/or silver compounds mg/kg ND 500 5 5 <br />Thallium and/or thallium compounds mg/kg ND 700 *7 <br />Vanadium and/or vanadium compounds mg/kg 17 2,400 *24 <br />Zinc and/or zinc compounds mg/kg 88 5,000 * 250 <br />Findings: <br />Conclusion <br />Based on the compositional concentration of metals regulated by CCR Title 22, the Tennant Sweep material is non- <br />hazardous. <br />TENNANT SWEEP MATERIAL CHARACTERIZATION <br />TITLE 22 CAM 17 <br />Substance Units <br />None of the compositional concentrations exceed the total threshold limit concentrations (TTLC) in Section <br />66261.24 of California Code of Regulations Title 22 (CCR Tile 22). <br />Based on compositional concentrations none of the constituants are likely to exceed the soluble threshold limit <br />concentrations (STLC) in CCR Title 22. <br />H:\Haz Mat\Spent Material Profile\Waste Characterization-2024\Summary\2024 Tabulated Data.xlsxSweep