ARCHIVED REPORTS_2011_3 - Laserfiche WebLink

Home Browse Search

HISTORICAL SUMMARY OF ANALYTICAL RESULTS UNSATURATED ZONE SOIL GAS FOOTHILL SANITARY LANDFILL SG -10 Sample Type: Air 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 Monitoring and Field Parameters Methane Concentration(percent) 7 0 0 0 0 Carbon Dioxide (percent) 2.5 2.8 5 4.5 5.9 3.6 4.1 4.1 Oxygen (percent) 12.3 11.9 0 0.6 3 10 8.5 6.5 Volatile Organic Compounds PPB (v/v) Freon 12 220 230 1300 1000 890 350 360 100 Freon 114 45 87 290 230 190 83 87 24 Vinyl one _ <0.5 <1.2 140 19 <3.0 <1.1 <1.1 <1.Z 1,3 -Butadiene NT <1.2 <7.2 <5.0 <3.0 <1.1 <1.1 <1.2 Bromomethane <0.5 1.5 <7.2 <5.0 <3.0 <1.1 <1.1 <1.2 Chloroethane < ' < ' ' ' ' 4.9 Freon 11 6.3 10 28 24 28 9.2 10 3.3 Ethanol NT <4.8 <29 <20 <12 <4.4 17 19 Freon 113 <0.5 <1.2 <7.2 <5.0 <3.0 <1.1 <1.1 <1.2 1,1-Dichloroethene <0.5 <1.2 10 <5.0 <3.0 <1.1 <1.1 <1.2 Acetone 8.3 35 <29 <20 14 <4.4 <4.5 9.8 2 -Propanol NT <4.8 <29 <20 <12 <4.4 <4.5 <4.9 Carbon Disulfide <0.5 <1.2 <7.2 <5.0 <3.0 <1.1 <1.1 <4.9 3-Chloropropene NT <4.8 <29 <20 <12 <4.4 <4.5 <4.9 Methylene Chloride <1.0 1.5 <7.2 <5.0 <3.0 <1.1 <1.1 <1.2 Methyl tert-butyl ether NT <1.2 <7.2 <5.0 <3.0 <1.1 <1.1 <1.2 trans-1,2-Dichloroethene NT <1.2 <7.2 <5.0 <3.0 <1.1 <1.1 <1.2 Hexane <1.0 <1.2 26 <5.0 <3.0 <1.1 <1.1 <1.2 - is oroet ane < <1.2 <7.2 <5.0 <3.0 < < <1.2 2-Butanone (Methvl Ethvl Ketone) 6 4.2 <7.2 <5.0 <3.0 <1.1 <1.1 <4.9 Zetran aroturan lzu <i./- 1-1.< <o.0 w.v 11. -1. oro orm < < <5• < ' < <1.2 -Trichloroethane < < <7.2 <5. <3, <1.1 < <1.2