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' December 5, 2005 <br /> NOA Project Number: E05132C <br /> ' The results of the analysis of the surface soil samples for metals (Appendix) are presented in the <br /> following table: <br /> Table 2. Results of Metals Analysis-Surface Soils <br /> Metal Units PQL PRG19 CHHSLn S-1 S-2 S-3 S-4 S-5 S-6 S-7 S-8 S-9 5-10 <br /> Antimony(Sb) mg/Kg 2.0 31 30 2.3 2.1 -- 2.8 -- - 2.3 -- -- -- <br /> Arsenic(As) mg/Kg 1.0 0.39* 0.07 3.0 3.4 1.1 3.1 2.4 3.0 3.6 ND ND - <br /> Barium(Ba) mg/Kg 1.0 5,400 5,200 230 170 -- 220 -- -- 200 -- -- -- <br /> Beryllium(Be) mg/Kg 1.0 150 150 ND ND -- ND -- -- ND -- - -- <br /> Cadmium(Cd) mg/Kg 1.0 37 1.7 ND ND -- ND -- -- ND - -- -- <br /> Chromium(Cr) mg/Kg 1.0 210 -- 50 39 -- 68 - -- 51 -- -- -- <br /> ' Cobalt(Co) mg/Kg 1.0 900 660 14 12 -- 16 =_ -- 15 <br /> Copper(Cu) mg/Kg 2.0 3,100 3,000 43 68 38 39 <br /> ' Lead(Pb) mg/Kg 1.0 150 150 11 26 -- 12 - _= 12 - _= 12 <br /> Mercury(Hg) mg/Kg 1 0.10 23 18 0.18 ND ND ND <br /> ' Molybdenum mg/Kg 1.0 390 380 ND ND -- ND -- -- ND -- -- -- <br /> Nickel(Ni) mg/Kg 1.0 1,600 1,600 36 31 -- 47 -- -- 38 -- - -- <br /> Selenium(Se) mg/Kg 1.0 390 380 ND ND -- ND -- -- ND -- -- -- <br /> Silver(Ag) mg/Kg 1.0 390 380 ND ND -- ND -- -- ND -- -- -- <br /> Thallium(11) mg/Kg 1.0 5.2 5.0 ND ND == ND -- _= ND <br /> Vanadium(l) mg/Kg 1.0 78 530 68 51 67 65 <br /> Zinc(Zn) mg/Kg 1.0 23,000 23,000 56 98 -- 56 -- -- 60 -- -- -- <br /> ND=Not detected above PQL. <br /> *Cancer Endpoint. <br /> 10USEPA,2004,Preliminary Remedial Goals,Residential Soil. <br /> I lCalifomia EPA,2005,Use of California Human Health Screening Levels (CHHSLs)in Evaluation of <br /> Contaminated Properties. <br /> ' 6 <br />