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TABLE A(continued)
<br /> constituent B T E X MTBE TPH-G
<br /> PA Method: (602)1 (602)/ (602)/ (602)/ (602)x(8260)/ 50301LUFT
<br /> (8021B) (802113) (80218) (80213) (8021B)
<br /> Detection Limits: 0.3 0.3 0.3 0.6 1.0 0.05
<br /> µg� Ag/L Ag/L NP/- K� mg/L
<br /> SV-1 1/16/1997 41,000 17,000 3,300 6,200 [1,400) 120
<br /> 1/15/2000 1,400 34 120 250 1,100v 4,1
<br /> 7/2/2002 210 3.0 31 110 1,000 1.6
<br /> SV-2 4!23/1998 49,000 66,000 3,200 17,000 26,000*v 270
<br /> 7/2/2002 53,000 36,000 1 $,100 L24,000 ND(4,000) 190
<br /> SV-3 7/18/1997 71,000 73,000 3,900 19,000 [35,000] 280
<br /> 10/14/1999 9,600 2,100 440 1,400 14,000* 25
<br /> 7!2/2002 22,000 8,700 2,000 7,900 29,000 97
<br /> SV-4 7/22/1998 71,000 47,000 1,700 9,400 170,000*v 390
<br /> 7/11/2000 5601' 1101' 341 60! 46,000.r 0.8
<br /> 7/2/2002 73,000 62,000 4,700 19,000 740,000 300
<br /> 10/15/2002 93,000** 96,000** 4,600** 18,000** 730,000** 450
<br /> SV-5 10/22/1997 55,000 73,000 3,900 19,000 37,000*v 290
<br /> 7/2/2002 1 53,000 58,000 5,700 29,000 19,000 260
<br /> SV-6 4/21/1999 65,000 27,000 2,800 13,000 8,600*v 200
<br /> 7/2/2002 36,000 13,000 2,900 8,000 6,000 110
<br /> SV-7 8/1/1996 91,000 75,000 3,000 18,000 7,800 360
<br /> 10/23/1998 90,000 77,000 3,300 18,000 1,800*v 360
<br /> 7/2/2002 73,000 57,000 4,300 22,000 ND(4,000) 250
<br /> SV-8 1/21/1998 87,000 67,000 3,200 17,000 6,400*v 310
<br /> 7/2/2002 76,000 45,000 4,100 20,000 3,600 NM(1,000)
<br /> SV-9 4/2/1997 25,000 ND 21300 1,900 79,000 53
<br /> 4/12/2000 ND(150) ND(150) ND(150) ND(300) 9,700. ND(25)
<br /> 7/2/2002 35 7.2 5.4 11 380,000 27
<br /> ND=none detected at or above laboratory reported detection limit B,T,E,X=benzene,toluene,ethyl benzene,and xylene
<br /> ND X=none detected to a level of X. TPH-G=total petroleum hydrocarbons,quantified as gasoline
<br /> *=detection limit raised due to elevated petroleum hydrocarbon result. MTBE-methyl tertiary butyl ether
<br /> NA=not tested for this analyte
<br /> [x]=EPA Method 602 analysis indicates a concentration of x;result is not confirmed by EPA Method 8260,however.
<br /> Future analysis by EPA Method 8260 tray indicate that MTBE is not present
<br /> V=other oxygenatesladditives were analyzed by EPA Method 8260 and were not detected at or above the laboratory reported detection limits.
<br /> ♦=as of the fourth quarter 1999,MTBE was analyzed by EPA Method 602; groundwater monitoring for gasoline oxygenates/additives
<br /> other than MTBE was discontinued.
<br /> J'=as of the third quarter 2040,MTBE and BTEX are analyzed by EPA Method 8021B
<br /> **=As of the fourth quarter 2002,MTBE and BTEX are analyzed by EPA Method 9020
<br />
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