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TABLE 3 ANALYTICAL RESULTS OF GROUND WATER SAMPLES ' EPA METHOD 8260 Modified Grant Line Gas &Food I 2420 Grant Line Road, Tracy, California �µ�l) IConstituent Date MW-1 MW-2 MW-3 MW-4 MW-5 MW-6 MW-7 MW-$ 01-30-98 <5 0 <5 0 <5 0 <50 <50 <5 0 -- -- ' 06-18-98 <5 0 <5 0 <5 0 51 <5 0 <5 0 09-28-98 <250 <5 0 <5 0 <15 <15 <5 0 12-17-98 <50 <5 0 <5 0 <25 <25 <5 0 -- 03-25-99 <25 <5 0 <5 0 <15 <5 0 <5 0 <5 0 <5 0 I 06-21-99 <5 0 <5 0 <5 0 6.0 8.0 <5 0 <5 0 <5 0 09-20-99 <25 <5 0 <5 0 <5 0 <5 0 <5 0 <5 0 <5 0 12-21-99 <5 0 <5 0 <5 0 <5 0 56 <5 0 <5 0 <5 0 ternary butyl 04-17-00 <1 0 <10 <1 0 <10 <1 0 <1 0 <1 0 <1 0 alcohol(TBA) 04-18-00 NS NS NS <10 NS NS NS NS 09-12-00 <10 <5 0 <5 0 <5 0 <13 <5 0 <5 0 <5 O ' 12-19-00 <13 <5 0 <5 0 <5 0 <5 0 <5 0 <5 0 <5 0 03-23-01 <5 0 <5 0 <5 0 <5 0 <5 0 <5 0 <5 0 <5 0 06-22-01 <5 0 <5 0 <5 0 <5 0 <5 0 <5 0 <5 0 <5 0 09-17-01 <5 0 <5 0 <5 0 <5 0 <5 0 <5 0 <5 0 <5 0 ' 12-26-01 <25 <25 <25 <25 <25 <25 <25 <25 03-21-02 <10 <5 0 <5 0 <10 <5 0 <5 0 <5 0 <5 0 06-21-02 <5 0 <5 0 <5 0 <5 0 <5 0 <5 0 <5 0 <5 0 ' 09-19-02 <5 0 <5 0 <5 0 <5 0 <5 0 <5 0 <5 0 <100 12-26-01 <0 5 <0 5 <O 5 <0 5 <0 5 <0 5 <0 5 <0 5 1,2_ 03-21-02 <1 0 <0 5 <0 5 <1 0 <0 5 <0 5 <0 5 <0 5 (1,2-DCA) ' di06-21-02 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 (1,2- 09-19-02 NA NA NA NA NA NA NA NA 12-26-01 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 ' ethylene dibroi03-21-02 <1 0 <0 5 <0 5 <1 0 <0 5 <0 5 <0 5 <0 5 06-21-02 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 EDB ) 09-19-02 NA NA NA NA NA NA NA NA ' Notes µg11 Micrograms per liter --- Not measured NS Not sampled ' NA Not analyzed l� ' Ad►wneed GeaF&wmmmnvmd4 Ina