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Organic Concentration Limits vs. First Quarter 2008 Sampling Event Results <br /> Forward Landfill <br /> MW-1 MW-2A MW-3 MW-10 <br /> Parameter MDL Feb-08 CLGB BL PQL Feb-08 I CLGB BL PQL Feb-08 CLGB BL PQL Feb-08 CLGB BL PQL <br /> 1,1,1,2-Tetrachloroethane 0.27 <0.50 0.50 <0.50 0.50 <0.50 0.50 <0.60 0.50 <br /> 1,1,1-Trichloroethane 0.27 <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 /> srndref$1rt0 ;044 a0.0 -;`"WW eCla :�0 c0" 77 T7 W <br /> 1ofi(riroeChhr t 25 <t3:5f! ;0,Do so O,6fl y<dsU <br /> 1,1=151fsfii9rbetlhj <br /> -not).28 zt►.50 " 0;50 ""<05() E1,5ti <6:56' 0. 4 el)* .` . €1: <br /> 1,2,3-Tnchloropropane 0.50 <1.0 1.0 <1.0 1.0 <1.0 1.0 <1.0 1.0 <br /> 1,2,4-Trichlorobenzene 0.48 <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 /> 1 " ibrtNtroilCenB fl 2 40 50 0:5 D Ci: 3 't3:6b 51i. <br /> Z,Cllefi(orde8ine t)24 <0;5 4,50 ' <0,50;, " 0.5� <b 51) stt aid 11:50; <br /> 1,2 tNcfifOrtipropane .d1,; <fl:50` <fl;50 0.5b e6.ra6' 0.5b 6654" 0.56' <br /> 2-Hexanone 2.5 <10 20* <10 20* <10 20' <10 20* <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 /> ftryis <br /> pet8na 0 <06 0.50 X0.80 O.rO si3 16 5fl 1150 <br /> gr6moo orometh . . 1a,35 ,e0.50 0:50 <0.56 0.50x.50 <br /> Bromodichloromethane 0.30 <0.50 0.50 <0.50 0.50 <0.50 0.50 <0.50 0.50 <br /> Bromoform 0.31 <0.50 0.50 <0.50 0.50 <0.50 0.50 <0.50 0.50 <br /> Carbon Disufde 0.40 <1.0 1.0* <1.0 1.0* <1.0 1.0* <1.0 1.0* <br /> Fon? "AYitle ;029 .30 "0! .rU: t1;50 <05 X50 <br /> Cfiir3ro dZJ. t):50 "C086`; " <br /> I tefhene :; 4f 36 z0;'S0` 6':50 <0.511 6.60 :"e0:so <br /> Chloroform 0.240 <0.50 0.50 <0.50 0.50 <0.50 0.50 <0.50 0.50 <br /> cis-1,2-Dichloroethytene 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 /> C5' i6mmrdr4ertultriarte' t5 <t1:3o o5t11 (1b0 z( ?: <br /> t�llorlYzldilkfrcrinelfiene "ti,34 :<fl. l" 0:50 e6.56 6;5fl <t5.50' tl.56 X050; 05b <br /> fJC=7s4 ra llettte� if.1a", ro.50",."" 0.50`' a0.51t <br /> Ethanol 57 <250 250* <250 250* <250 250' <250 250' <br /> Ethylbenzene 0.33 <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 /> 13i 'itoiou4aa184te` a4 <br /> f <br /> Ftr3�dii►dra�ttrah�6 'NS. N� t.,; >�". t N�; f "": trig ;� _ <br /> �.C►lChlorobenzens 0;35. <0.50 . "0;60 �O:�tt 6.50 ..<0.50 0.".� �. �. , t `;Q; ` <br /> Methyl Bromide 0.37 <1.0 1.0° <1.0 1.0* <1.0 1.0' <1.0 1.0' <br /> Methyl Chloride 0.50 <1.0 0.50 <1.0 0.50 c1.0 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(1112194). <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 /> NS-Constituent not analyzed this event. <br /> 0.75-February 2008 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 /> t-No historical detections above the PQL in MW-20 or MW-23R. Constituent not analyzed this event. Background limit will be equal to the PQL when constituent is analyzed. <br /> Per 8 <br />