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TABLE A(Continued)
<br />' Constituent 8 T E X MTBE TPH-G
<br /> EPA Method (602) (602) (602) (602) (602)/ (5030)
<br /> (8260)
<br />' Detection Limits 03 03 03 06 1 0 005
<br /> µg/I µ8I1 µg/l µ@/l µg/1 mg/l
<br /> SV-1 E/16/97 41,000 17,000 3,300 6,200 [1,400] 120
<br />' SV-2 4123198 49,000 66,000 3200 17 000 26,000"1 270
<br /> 7/18/97 71,000 73,000 3,900 19,000 [35,000] 280
<br /> SV-3
<br />' 10/14/99 9,600 2,100 440 1,400 14,00* 25
<br /> SV-4 7/22!98 71000 47,000 1,700 9,400 170,000*• 390
<br />' SV-5 10/22/97 55,000 73,000 3900 19,000 37,000*r 290
<br /> SV-6 4021199 65,000 27,000 2,800 13,000 8,600*r 200
<br /> 8/1/96 91,000 75,000 3,000 18,000 7,800 360
<br /> SV-7
<br /> 10/23/98 90 000 77,000 3,300 18,000 1,800r 360
<br /> SV-8 1121198 87000 67000 3200 1 17000 t 6,400*r I MO
<br /> SV-9 412197 25,000 ND 1,500* 2,3QQ 1,9Q0 [79,000] 53
<br /> B T E,X=benzene,toluene,ethyl benzene,and xylene ND=none detected at or above laboratory reported detection limit
<br /> TPH-G=total petroleum hydrocarbons,quantified as gasoline ND X=none detected to a level of X
<br /> MTBE=methyl tertiary butyl ether *=detection limit raised duc to clevated petroleum hydrocarbon result
<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 Future analysts by EPA
<br />' Method 8260 may indicate that MTBE is not present
<br /> n=other oxygenates/additives 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 and groundwater monitonng for gasoline oxygenates/additives other
<br /> than MTBE was discontinued
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