COMPLIANCE INFO_JTD 2/11/26 - Laserfiche WebLink

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HISTORICAL SUMMARY OF ANALYTICAL RESULTS UNSATURATED ZONE AIR NORTH COUNTY SANITARY LANDFILL SG-2 Deep Sample Type: Air Sampling Date 11/14/03 2/12/04 5/7/04 7/22/04 11/8/04 2/10/05 9/29/05 6/26/06 11/18/06 3/2/07 9/5/07 3/11/08 7/28/08 1/30/09 7/14/09 1/29/10 Tetrahydrofuran NT NT NT NT NT NT NT NT NT <0.05 7.3 <1.0 <1.6 <1.0 <1.2 <1.2 Toluene <0.5 8.7 12 <0.5 0.9 <0.5 24 <0.5 <0.5 <0.5 8.5 <1.0 <1.6 1.4 6.9 <1.2 1,2,4-Trichlorobenzene <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <4.6 <4.0 <6.2 <4.1 <4.9 <4.8 1,1,2-Trichloroethane <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.1 <1.0 <1.6 <1.0 <1.2 <1.2 1,1,1-Trichloroethane <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.1 <1.0 <1.6 <1.0 <1.2 <1.2 Trichloroethene <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.1 <1.0 <1.6 <1.0 <1.2 <1.2 Trichlorofluoromethane (Freon 11)4.2 <0.5 4.7 29 17 6.7 7.3 <0.5 <0.5 <0.5 <1.1 <1.0 1.6 1.8 2.5 4.2 4-Ethyltoluene NT NT NT NT NT NT NT NT NT NT 1.2 <1.0 <1.6 <1.0 6.7 <1.2 1,3,5-Trimethylbenzene <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.1 <1.0 <1.6 <1.0 2.4 <1.2 1,2,4-Trimethylbenzene <0.5 <0.5 1.6 0.9 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 1.2 <1.0 <1.6 <1.0 9.7 <1.2 2,2,4-Trimethylpentane NT NT NT NT NT NT NT NT NT <0.05 <1.1 <1.0 <1.6 <1.0 <1.2 <1.2 Vinyl Chloride <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1.1 <1.0 <1.6 <1.0 <1.2 <1.2 m/p Xylene <0.5 1.9 <0.5 1.7 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 6.0 <1.0 <1.6 <1.0 11 <1.2 o-Xylene <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 2.0 <1.0 <1.6 <1.0 5 <1.2 NR = Not Required NT = Not Tested J = Trace Concentration {1} Parameter also detected in one or more quality control blanks. 10 of 48