ARCHIVED REPORTS_XR0011943 - Laserfiche WebLink

Home Browse Search

TABLE 4 GROUNDWATER ANALYTICAL RESULTS FOR OXYGENATES AND ADDITIONAL COMPOUNDS ARCO Service Station No 6100 25775 Patterson Pass Road Tracy,California Nitrate Sample Date MTBE TBA TAME DIPE ETBE Ethanol 1,2-DCA EDB as NO3 ID Collected ( /L) ( ) ( /L) 4g/L) ( ) ( ) 41g/L) ( /L) (m /L) I MW-1 02/08/01 106 245 <2 00 <2 00 <2 00 NA NA NA NA 06/22/04 <120 A <5,000 A 450 A <250 A <250 A <25,000 A 1,300 A <120 A NA MW-2 11/06/01 <10 <100 <10 <10 <I0 NA NA NA NA 03/26/02 <0 50 <5 0 <0 50 <0 50 <0 50 NA NA NA NA 06/21/02 <0 50 <5 0 <0 50 <0 50 <0 50 NA NA NA NA 09/18/02 <0 50 66 <0 50 <0 50 <0 50 NA NA NA NA 12/23/02 <0 50 <5 0 <0 50 <0 50 <0 50 NA NA NA NA 03/24/03 <0 50 <20 <0 50 <0 50 <0 50 <100 NA NA NA 06/17/03 <0 50 A <20 A <10 A <1 0 A <1 0 A <100 A NA NA NA 09/19/03 <1 0 A <40 A <2 0 A <2 0 A <2 0 A <200 A <1 0 A <1 0 A NA 12/23/03 <0 50 A <20 A <10 A <1 0 A <1 0 A <100 A <0 50 A <0 50 A NA 03/16/04 <0 50 A <20 A <1 0 A <1 0 A <1 0 A <100 A <0 50 A <0 50 A NA 06/22/04 <2 5 A <100 A <5 0 A <5 0 A <5 0 A <500 A <2 5 A <2 5 A NA MW-6 06/17/03 110 A <4,000[l] J <200[1] J 400[1] J <200[1] J 40,000[1] J NA NA NA MW-10 06/22/04 <120 A <5,000 A <250 A <250 A <250 A <25,000 A <120 A <120 A NA MW-12 06/22/04 <500 A <20,000 A <1,000 A <1,000 A <1,000 A <100,000 A <500 A <500 A NA MW-13 06/22/04 <2 5 A <100 A <5 0 A <5 0 A <5 0 A <500 A <2 5 A <2 5 A NA MW-15 06/22/04 <500[3] A <20,000[3] A <1,000[3] A <1,000[3] A <1,000[3] A <100,000[3] A <500[3] A <500[3] A NA Arco_6I00_Qoarterly_Data Page 1 of 4 5TRAAW5