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Organic Concentration Limits vs.Third Quarter 2009 Sampling Event Results <br /> Forward Landfill <br /> MW-1 MW-2A MW-3 MW-10 <br /> Parameter MDL Aug-09 CLGB BL PQL Aug-09 CLGB BL PQL Aug-09 CLGB BL PQL Aug-09 CLGB BL PQL <br /> 1,1,1,2-Tetrachloroethane 0.14 <0.50 0.50 <0.50 0.50 <0.50 0.50 <0.50 0.50 <br /> 1,1,1-Trichloroethane 0.14 <0.50 0.50 <0.50 0.50 <0.50 0.50 <0.50 0.50 <br /> 1,1,2,2-Tetrachloroethane 0.28 <0.50 0.50 <0.50 0.50 <0.50 0.50 <0.50 0.50 <br /> tI <br /> 1,2,3-TricNoropropane 0.43 <1.0 1.0 <1.0 1.0 <1.0 1.0 <1.0 1.0 <br /> 1,2,4-Trichlorobenzene 0.31 <0.50 0.50 <0.50 0.50 <0.50 0.50 <0.50 0.50 <br /> 1,2-Dibromo-3-Chloropropane 0.46 <1.0 1.0 <1.0 1.0 <1.0 1.0 <1.0 1.0 <br /> f,?r[5]o it rprdtlaile <`' 0; 0 1 b X050 ' °` b.bb "<0.50 U:50 et1515 0:5t1' <br /> 2-Hexanone 2.9 <10 10* <10 10* <10 10* <10 10* <br /> 4-Methyl-2-Pentanone 3.4 <10 10* <10 10* <10 10* <10 10* <br /> Acetone 7.4 <10 10* <10 10* <10 10* <10 10* <br /> r 7Mn' 'r,- est 50 >. <br /> T, <br /> Iden` y j r y 1y0 S5i�j �(D50' 11 yi } ', <t7:5Q �3t50 <br /> .:; ,,',1Y.�6 dt};.7t� 0.50• ,<b.50" . ' Oa50 <br /> Bromodichloromethane 0.30 <0.50 0.50 <0.50 0.50 <0.50 0.50 <0.50 0.50 <br /> Bromoform 0.24 <0.50 0.50 <0.50 0.50 0.51 0.50 <0.50 0.50 <br /> Carbon Disulfide 0.40 <1.0 1.0* <1.0 1.0* <1.0 1.0* <1.0 1.0* <br /> 77 <br /> M7 77 <br /> dmwgw <br /> Ny} { d <br /> O� 6 t <br /> -, 94 s t y ", <br /> 'k'a <br /> P�677, <br /> Chloroform 0.23 <0.50 0.50 <0.50 0.50 <0.50 0.50 <0.50 0.50 <br /> cis-1,2-Dichloroethylene 0.32 <0.50 0.50 <0.50 1.5 <0.50 0.50 <0.50 0.50 <br /> cis-1,3-Dichloropropene 0.19 <0.50 0.50 <0.50 0.50 <0.50 0.50 <0.50 0.50 <br /> W' Cl <br /> w � F <br /> Ethanol 56_ <250 250* <250 250 <250 250* <br /> <250 250* <br /> Ethylbenzene 0.14 <0.50 0.50 <0.50 0.50 <0.50 0.50 <0.50 0.50 <br /> Ethyltertiary Butyl Ether 0.22 <0.50 0.50* <0.50 0.50* <0.50 0.50* <0.50 0.50* <br /> r r ,h <br /> ° <br /> Methyl Bromide 0.21 0.0 1.0* <1.0 1.0 0.0 1.0* 0.0 1.0* <br /> Methyl Chloride 0.20 <0.50 0.50 <0.50 0.50 <0.50 0.50 <0.50 0.50 <br /> All concentrations are provided in ug/L. <br /> MDL-Method Detection Limit from current laboratory analytical report. <br /> CLGB-Concentration Limit Greater Than Background(Impact Constituents only). See Table 5-12 of Revised Post-Closure Maintenance Plan(11/2/94). <br /> BL-Background Limit. Determined from historical data at MW-20 and MW-23R.(Mean+[2.375 x Standard Deviation]) <br /> PQL-Practical Quantitation Limit from current laboratory report. <br /> 0.75-August 2009 concentration exceeds the CLGB,BL,or PQL. <br /> No historical detections above the PQL in MW-20 or MW-23R. Background limit is equal to the PQL. <br /> Constituent concentration is between the MDL and PQL. <br /> Pao 8 <br />