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j_..._. HISTORICAL SUMMAFYTICAL RESULTS <br /> GR( WR <br /> NORTH COUN'i , 5ARYLANDFILL <br /> G-1 <br /> Sample Type:Water <br /> Units:mg/l, unless noted _ <br /> amp a esigna ion -1 - -1 -1 -1 -1 -1 -1 -1 -1 <br /> Sampling Date 10/5/92 1/4/93 4/1/93 7/1/93 10/5/93 11/3/94 4/4/94 7/1/94 12/1/94 1/3/95 4/3/95 7/7/95 10/2/95 1/2/96 4/5/96 7/11/96 10/3/96 <br /> Volatile O ani Com and Cont. <0,28 <0.2 <0. <0.2 <0. <br /> <0,28 <0.2 <br /> 1,1- C oroet ane <1 R <� <0.48 <0.4 <0.4 <0.5 <0.5 <0. • <0. <0. <0.5 <br /> 1, - c oroe ane <0.4 <0.4 <0.4 <0. <0.4 <0.4 <br /> 1- is oroe ene NR NR <0.50 <0. 0 <0.5 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <br /> trans- ,2- is oro <br /> eneet ene <0.5 <0.5 < .5 < <br /> cis-1,2- C oro < < <0.2 <0,2 <0.2 <0.2 <0.2 <0.2 <br /> 0. < •5 < <br /> 1,2 is oro ro ane NT NT NT N <0.2 <0. <0.2 <o.2 <01 <U.-2- <br /> 1,3-dichloro ro ane N NT NT N1 N1 N <0.4 <0.4 <0. < . <p,4 <0.4 <br /> 2,2 is loro ro ane N <0.4 <0.4 <0.4 <0.4 <U.4 <0.4 <br /> 1,1 is oro ro ene NT NT <0.5 <0.5 <0. <0.5 <0.5 <0.5 <br /> is-1,3- ichoro ro ene NT N NT <0.5 <0.5 <0.5 <0.5 <br /> trans-1, c oro roene <1 N NT <1 N N <0.4 <0.47 2 <0.1 <br /> th enzene 14T <0.4 <br /> Freon 113 T NT T 1141 T N <0.4 <N4 <0 4 NT <br /> exac oro uta ene NT N <0.4 <0.4 <0.4 <0.4 < <0.4 <0.4 <br /> 2- exanone <0.5 <0.5 <0.5 0.5 <0.5 <0.5 <br /> 0 omet ane T NT NT NT <0.2 <0.2 <0.2 <0.2 <0.2 <0,2 <br /> Isobutanol NT N NTT T N NT <br /> so ro enzene N <0.3 <0.3 <0.3 <0.3 <0.3 <0.3 <0.3 <0.3 <0.3 <br /> -iso ro <br /> toluene T T <br /> et ac omtri I e NT N NT NT NT NT NT <br /> Methylene one <10 R R < .06 <0. 60 R < .4 <0.47 <0.47 <0.2 <0.2 < .2 <0.2 < .2 <0.2 <br /> Meth <br /> methacrylate T N N T <br /> -met -2 emanons NT NT <br /> N <3 <3 <3 <3 <3 <3 <br /> et ten-butyl ether R <0.3 <0.3 <0.3 R <0.3 <br /> NT T NT NT NT NT NT NT NT NT <br /> Naphthalene R <1.6 <1.6 <1.6 1 <br /> ro on r e <br /> n- ro enzene <0.2 < .2 <0.2 ,2 <0.2 < <br /> t ene T NT NT <0.1 < .1 <0.1 <0.1 <0. <0.1 <0.1 <0.1 <0.1 <br /> 1,1,2,2-tetraC oroet ane <0.2 <0.2 <0. < , < .2 <0. <0.2 <0.2 <00.1 <br /> 1,1,1,2-tetrac oroet ane NT <0.1 <0.1 <0.1 <0.1 0.1 <br /> etrac oroet ene <1 <1 <br /> <0.44 <0.44 <0.3 <0.3 <0.3 <0.3 2 <br /> <1 <1 <0.35 <0. 5 <0.3 <0.3 <0.3 < .3 0.6 <0.3 <0.3 <br /> Toluene <1.4 <1.4 <1.4 0.6* <0.3 <0.3 <0.3 <0.3 <br /> 1, - nc oro enzene <0. <br /> 1,2,4- nc oro enzene < .9 <1.9 <NT 0.. <0.2 <0. <0.2 <br /> 1, -tric oroet ane < , < ,3 <0. <0.3 <0.3 <0.3 <br /> 1,1,1-tnc oroe ane N NT <0.4 <0.4 <0.4 <0.4 <0.4 <0.4 <br /> c oroethene NT <0. <0.4 <0.4 <0.4 <0. <0. <br /> NT <br /> Trichlorofluoromethane T NT NT N <br /> 1,2, -tri oro re ane T N <0. <0. <0.2 <0.2 <0.2 0.8 <0.2 <0.2 <0.2 <br /> 1,3, -nmet enzene NNNTT <0.84 <0.84 <0.84 0.3* <0.1 <0.1 <0.1 <0.1 <br /> 1,2,4- a et enzene <3 < <3 <3 <3 <3 <br /> NT NNNRTT <br /> I <br /> 1 <br /> 1 <br /> vm acetate <0.4 <0.4 <0.4 <0.4 <0.4 <0.4 <br /> in or e N <br /> m/ ene <1 R � R <1 R:'': `� <1.4 <1.4 <1.4 <0.4 <0.4 <0.4 < .4 <0.4 <0.4 <br /> o- ene <0 N NR NR <0 NR NK NR <1.4 <1 4 <1.4 <0.4 <U.4 <U.4 <U.4 IU.1+ IU.1+ <br /> Total Xylenes <1 N <1 NRNPNR <1.4 <1.4 <1.4 4 <0.4 <br /> Not Required <br /> NT=Not Tested <br /> *=Trace Concentration <br /> [1] This data point appears anomalous and therefore was not used for statistical purposes. <br /> Ill Parameter also detected in one or more quali!y control blanks. <br /> 6 of 68 <br /> G-1:Printed:7/23/2004 <br />