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15 <br />Waste within the Beard (Lane) property has an average total lead concentration of 37.13 parts <br />per million (ppm). The statistical analysis shows an 80% confidence level of 13.71 to 60.55 pm. <br />The California regulatory limit (TTLC) for lead is 1000 ppm. Based on a two-tailed normal <br />distribution, it is likely that total concentration of lead in the fill areas does not exceed the TTLC. <br />The samples analyzed for STLC limits resulted in “Non-detected” limits. Therefore, it is unlikely <br />that the STLC would exceed the California regulatory soluble lead limitation of 5 ppm. <br />Table 3 - CAM 17 TTLC Results - Beard <br />Property <br />Regulatory <br />Limit <br />mg/kg <br />Analyte Sample Identification <br />T-47-3 T-61-3 T-65-1.5 T-65-3.5 <br />500 Antimony 0 0 5.3 240 <br />500 Arsenic 0 0 0 120000 <br />10000 Barium 110 140 150 360 <br />75 Berylium 0 0 0 0 <br />100 Cadmium 0 0 1.2 1 <br />500 Chromium 16 23 20 0 <br />8000 Cobalt 0 13 5.8 0 <br />2500 Copper 22 28 36 82 <br />1000 Lead 2.4 3.9 180 110 <br />20 Mercury 0 0 0 0.027 <br />3500 Molybdenum 0 0 0 0 <br />2000 Nickel 10 18 12 6 <br />100 Selenium 0 0 0 0 <br />500 Silver 0 0 0 0 <br />700 Thallium 0 0 0 0 <br />2400 Vanadium 52 68 38 0 <br />5000 Zinc 59 72 350 240