ARCHIVED REPORTS_2008_4 - Laserfiche WebLink

Home Browse Search

M M M Mao M MM MM HISTORICAL SUMMARY OF ANALYTICAL RESULTS UNSATURATED ZONE SOIL GAS FOOTHILL SANITARY LANDFILL SG -11 Sample Type: Air Sampling Date 10/1/03 2/11/04 5/6/04 7/22/04 11/17/04 2/14/05 10/3/05 6/30/06 11/29/06 3/13/07 8/20/07 Monitoring and Field Parameters Methane Concentration (percent) NR 0 7.1 9.2 0 1.5 7.5 17 2.6 10.8 3.9 Oxygen (percent) NT NT NT NT NT NT NT NT 0 0 0.3 Carbon Dioxide (percent) NT NT NT NT NT NT NT NT 16.1 12.7 15.2 Volatile Organic Compounds PPB (v/v) Acetone NT <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 110 Benzene <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 3.6 <0.5 <0.5 Benzyl Chloride <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 _ Bromomethane <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 2-butanone NT NT NT <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 21 n-butylbenzene NT NT NT <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 _ _ sec-butylbenzene NT NT NT <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 tert-butylbenzene NT NT NT <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 _ Carbon Disulfide NT NT NT <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 Ethyibenzene <0.5 <0.5 1.2 <0.5 <0.5 <0.5 <0.5 <0.5 24 <0.5 <0.5 Hexachlorobutadiene 1.00• <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 Hexane <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 16 8.6 2.2.4-TrimethvlDentane <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 41 40 NR = Not Required NT = Not Tested = Trace Concentration (1) Parameter also detected in one or more quality control blanks. SG -11; Printed: 1/31/2008 1 of 1