ARCHIVED REPORTS_2011 - Laserfiche WebLink

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0 0 0 HISTORICAL SUMMARY OF ANALYTICAL RESULTS UNSATURATED ZONE SOIL GAS FOOTHILL SANITARY LANDFILL SG -3 Sample Type: Air Sampling Date 1/29/08 7/29/08 1/22/09 7/15/09 3/2/10 9/3/10 1/25/11 Monitoring and Field Parameters Volatile Oraanic Compounds PPB (v/v Freon 12 Freon 114 18 2 78 25 250 38 120 20 36 5.4 31 4.5 35 5.2 Chloromethane <0.5 <4.6 <5.4 <5. <4.8 <4.7 <4. Vinyl ori a <0.5 <1.1 < .3 <1.2 < <1.0 1,3 -Butadiene NT <1.1 -<1.4 <1.4 <1.3 <1.2 <1.2 <1.0 Bromomethane <0.5 <1.1 <1.4 <1.3 <1.2 <1.2 <1.0 Chloroethane <0.5 <1.1 <1.4 <1.3 <1.2 <1.2 <1.0 Freon 11 Ethanol Freon 113 1,1-Dichloroethene 20 NT <0.5 <0.5 78 <4.6 2.3 2.8 120 <5.4 4.9 <1.4 54 <5.2 1.8 <1.3 21 <4.8 <1.2 <1.2 14 <4.7 <1.2 <1.2 17 6.0 <1.0 <1.0 Acetone 4.7 15 11 <5.2 9.7 7 4.9 2 -Propanol NT <4.6 <5.4 <5.2 <4.8 <4.7 <4.1 Carbon Disulfide <0.5 <1.1 <1.4 <1.3 <1.2 <1.2 <1.0 3-Chloropropene NT <4.6 <5.4 <5.2 <4.8 <4.7 <4.1 Methylene Chloride <1.0 <1.1 <1.4 <1.3 <1.2 <1.2 <1.0 Methyl tert-butyl ether trans-1,2-Dichloroethene NT NT <1.1 <1.1 <1.4 <1.4 <1.3 <1.3 <1.2 <1.2 <1.2 <1.2 <1.0 <1.0 Hexane <1.0 <1.1 <1.4 <1.3 <1.2 <1.2 <1.0 - is loroethane <0.5 <1.1 <1.4 <1.3 < <1.2 <1.0 2-Butanone (Methyl Ethyl Ketone) cis- ,2-Dic oroet ene etrahy ro uran 5.3 <0.5 75 1.6 <1.1 <1.1 <1.4 <1.4 <1.4 <1.3 <1.3 <1.3 <1.2 <1.2 <1.2 1.8 <1.2 <1.2 <1.0 < .0 <1.0 Chloroform <0.5 <1.1 <1.4 <1.3 < <1.2 <1.0 1,1,1 -Trichloroethane <0.5 <1.1 <1.4 <1.3 <1.2 <1.2 <1.0