ARCHIVED REPORTS_2012 - Laserfiche WebLink

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n HISTORICAL SUMMARY OF ANALYTICAL RESULTS UNSATURATED ZONE SOIL GAS FOOTHILL SANITARY LANDFILL SG -9 Sampling Date 1/29/08 7/29/08 1/23/09 7/15/09 3/2/10 9/3/10 1/25/11 7/29/11 4/12/12 Monitoring and Field Parameters Volatile Organic Compounds PPB (v/v) <0.5 <1.1 <1.1 <1.1 <1.2 <1.1 <1.1 <'I . 'I <u. i a Freon 12 <0.5 <1.1 <1.1 <1.1 <1.2. <1.1 <1.1 <1.1 <0.78 Freon 114 <0.5 <1.1 <1.1 <1.1 <1.2 <1.1 <1.1 <1.1 <0.78 Chloromethane <0.5 <4.3 <4.5 <4.5 <4.1 <4.3 <4.3 <4.3 <7.8 Vinyl Chloride <0.5 <1.1 <1.1 <1.1 <1.2 <1.1 <1.1 <1.1 <0.78 1,3 -Butadiene NT <1.1 <1.1 <1.1 <1.2 <1.1 <1.1<0.78 <1.1 <0.78 Bromomethane <0.5 <1.1 <1.1 <1.1 <1.2 <1.1 <1.1 <1.1 <7.8 l�hlnr , :,n,. <0.5 <1.1 <1.1 <1.1 <1.2 <1.1 <1.1 <4.3 <3.1 Freon 11 <0.5 <1.1 <1.1 <1.1 <1.2 <1.1 <1.1 <'I . 'I <u. i a Ethanol <4.6 5.8 30 <4.5 13 <4.3 15 32 <3.1 Freon 113 <0.5 <1.1 <1.1 <1.1 <1.2 <1.1 <1.1 <1.1 <0.78 1 1 _nirhlnrnathanp <0.5 <1.1 <1.1 <1.1 <1.2 <1.1 <1.1 <1.1 <0.78 Acetone <0.5 22 7 6.1 6 10 <4.3 11 <f.b 2 -Propanol NT <4.3 <4.5 <4.5 <4.7 <4.3 <4.3 <4.3 <3.1 Carbon Disulfide <0.5 3 <1.1 <1.1 <1.2 <1.1 <1.1 <4.3 <3.1 3-Chloropropene NT <4.3 <4.5 <4.5 <4.7 <4.3 <4.3 <4.3 <3.1 Methylene Chloride <1.0 <1.1 <1.1 <1.1 <1.2 <1.1 <1.1 <1.1 <7.8 Methyl tert-butyl ether NT <1.1 <1.1 <1.1 <1.2 <1.1 <1.1 <1.1 <0.78 trans- 1,2-Dichloroethene NT <1.1 <1.1 <1.1 <1.2 <1.1 <1.1 <1.1 <0.78 Hexane <1.0 <1.1 <1.1 <1.1 <1.2 <1.1 <1.1 <1.1 <0.78 1 1 _rlichlnrnathana <0.5 <1.1 <1.1 <1.1 <1.2 <1.1 <1.1 <1.1 <0.78 2 Butanone (Methyl Ethyl Ketone) 50 4.5 <1.1 <1.1 1.4 1.5 1.2 <4.3 <3.l cis-1,2-Dichloroethene <0.5 <1.1 <1.1<1.1 <1.2 <1.1 <1.1 <1.1 <0.78 1 etrahydrofuran 940 <1.1 <1.1 <1.1 2.5 <1.1 <1.1 <1.1 <0.78 Chloroform <0.5 <1.1 <1.1 <1.1 <1.2 <1.1 <1.1 <1.1 <0.78 1,1,1 -Trichloroethane <0.5 <1.1 <1.1 <1.1 <1.2 <1.1 <1.1 <1.1 <0.78 Cyclohexane <1.0 <1.1 <1.1 <1.1 <1.2 <1.1 <1.1 <1.1 <0.78