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as <br />Orange County Trigon Project No 036-00.01GB <br />Hillsborough Landfill Site ~_ July 24, 200D <br />TaGle 1 - Soi! Anal ses Results (nr Ar ) <br />' ~ ' <br />i <br /> <br />2. _.. ~~,: ~. Retaedtatton <br /> <br />~ Goal <br />__ .,<:- ~ ~ SS 1 ~r <br /> <br /> <br />,~•.:.. .i. a SS 2 <br /> <br />~ <br />sir a SS 31. , <br />~ ~ <br /> <br />.....:.. +ss~ l f <br />(Baakgiound <br />,._ 1 , <br />.~.: Sent le l .SS'$ i <br /> <br />, <br />.. ,~_. _ jSS 6 i' <br /> <br />, ~ <br />.. . ~-tS3 7,~ <br />f ~ <br />e ; <br />,-',~.....-~~ <br />Antimony 6 2 BQL BQL BQL. BQL BQL BQL BQL <br />Arsenic 4 6 10 13.4 19,7 10.5 6.87 4-69 2 30 <br />Beryliium 0.15 NA NA NA NA BQL BQL BQL• <br />Bnrinm --- 54 9 46 7 80.7 79 0 NA NA NA <br />Cadmium 7 8 2 73 3 19 4 21 1.69 Z 75 2..17 BQL <br />Chromium --- 8 19 11 7 18,4 13.1 81 4 4 77 19 8 <br />Copper 620 NA NA NA NA 44 6 20 8 107 <br />Lead 400 625 277 382 733 BQL 10.7 BQL. <br />Mercury 4 6 0.0.31 BQI: 0 O6 0 0324 0.03 0.054 0.027 <br />Nickel 320 NA NA NA NA 57.7 BQL I61 <br />Selenium 76 BQI. BQL. BQL BQI. BQL BQI. BQL <br />Silver 78 BQI. BQL BQL BQL BQL BQI. BQL <br />Thallium 126 NA NA NA NA BQL BQL BQL <br />Zinc 4,600 NA NA NA NA 73 4 96 4 71 6 <br />VOCs -- BQL BQL BQL. BQL BQL. IIQL. BQL <br />SVQCs --- BQL BQL BQL BQL. BQL. IIQL BQL. <br />PCBs --- BQL. BQL. BQL BQL. BQL. BQL. BQL <br />Pesticides --- BQL. BQL BQL BQL. BQL SQL BQL. <br />`k BQL -Below Quantitation Limit <br />NA -Not Analyzed <br />The arsenic concentrations in soil ranged from 2.:3 milligrams per kilogram (mg/kg) to <br />19,7 mg/kg. The off-site background sample (SS-4) had a measured arsenic concentration <br />of 1 Q 5 mglkg. The NC DENR Remediation Goal for arsenic is 4-6 mg/kg <br />TRIGGN ENClNC•ERING CGNSULT.iN7S, INC. Page 5 <br />