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<br /> TABLE A (continued)
<br /> Constituent: B T E X MTBE TPH-G Gasoline Oxygenates/
<br /> _ Additives
<br /> EPA Method: (602)/ (602)/ (602)/ (602)/ (602)/(8260)/ 5030/L1)FT
<br /> (80218) (8021B) (80218) (8021B) (8021B)
<br /> Detection Limits: 0.3 0.3 0.3 0.6 1.0 0:05 0.5-13.0
<br /> Pg/L Pg/L Pg/L Pg/L P81L Pg/L PF9L
<br /> SV-1 1/16/97 41,000 17,000 33300 6,200 [124001 120
<br /> 1/15/00 1,100 34 120 250 1,100V 4.1
<br /> F7/2/02 210 3.0 31 110 1,000 1.6
<br /> SV-2 4/23/98 49,000 66,000 3,200 17,000 26,000*r 270
<br /> 7/2/02 53,000 36,000 52100 242000 ND (40000) 190
<br /> SV-3 7/18/97 71,000 73,000 3,900 19,000 [35,0001 280
<br /> 10/14/99 9,600 2,100 440 1,400 14,0004
<br /> 25
<br /> 7/2/02 22,000 8,700 2,000 7,900 29,000 97
<br /> SV-4 7/22/98 71,000 47,000 1,700 9,400 1702000*t 390
<br /> 7/11/00 560 110 34 60 - 46,000 0.8
<br /> 7/2/02 73,000 62,000 4,700 19,000 740,000 300
<br /> _ 10/15/02 931000** 96,000*" 4,600*• 181000** 730,000*• 950
<br /> 1/15/03 82,000 74,000 9,800 24,000 530,000""" 710 <5,000 - 130,000
<br /> - SV-5 10/22/97 55,000 73,000 31900 19,000 371000*r 290
<br /> 7/2/02 53,000 585000 5,700 29,000 19,000 260
<br /> SV-6 4/21/99 65,000 27,000 2,800 13,000 81600*r 200
<br />� 7/2/02 36,000 135000 1 21900 1 83000 ji 62000 1 110
<br /> SV-7 8/1/96 91,000 75,000 32000 18,000 7,800 360
<br /> 1023/98 90,000 773000 3,300 18,000 1,800•r 360
<br /> - 72/02 733000 577000 4,300 22,000 IND (4,000) 250
<br /> SV-8 121198 872000 67,000 3,200 17,000 6,400h 310
<br /> 7/2/02 76,000 45,000 4,100 207000 300 ND (19000)
<br /> SV-9 4/2/97 25,000 ND 2,300 1,900 79,000 53
<br /> 4/12/00 ND (150) ND (150) ND (150) ND (300) 9,700! ND (25)
<br /> 7/2/02 35 7.2 5.4 11 3805000 27
<br /> ND = race detected at or above laboratory repotted detection limit B,T,E,X =berzere, loluene, ethyl bereene. and xylene
<br /> ND X =more detected to a level of X. 17PH-G = total petroleum hydrocarbons, quantified as gasoline
<br /> *= Mandate limit raised due to elevated premleon hydrocarbon result MTBE = methyl ombryy butyl ether
<br /> � . NA = not tested for this annyte
<br /> [x] = EPA Method 6M analysis indicates a concentration ofx; result is not confirmed by EPA Method 8260, however.
<br /> Future aalysis by EPA Medo i 8260 may indicate that MTBE or rot present
<br /> v = other oxygenatWadditives were analyzed by EPA Method 8260 and wore not detected at or above Me labaamry reported detection limits.
<br /> ♦ = moFtbefowdiquarter1999, MTBEwasmgl Mby EPAMethed602; greundvatermooitoriagtorgamfneoxygenates/additives
<br /> --- other Man MTBE was discontinued.
<br /> = as ofthe third quana 2000, MTEE and BTEX are analyzedby EPAMeMod 80218
<br /> - - ••= As of Me Mardi qumter 2002,MTBE and BTM are analyzed by BPA Method 8020
<br /> •**= As oflhe that quarter 2003, groundwater monitoring fw other oxygeomWadthlives was rewstated. The selected oxygmiates/adduves include
<br /> methyl ten butyl ether (MTBE), ethanol (&O11), tertiary-hrlangl (TBA), di-isopropyl eller, (D@E), ethyl bat butyl ether (ETBE), ted-mnyl methyl ether (TAME),
<br /> 112-dchlaeethane (1,2-DCA), and 132-dbrancethone (EDB) and were arulyzed by EPA Method 82308.
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