ARCHIVED REPORTS_XR0007690 - Laserfiche WebLink

Home Browse Search

Table 1 Groundwater Elevation and Analytical Data ARCO Service Station No 2093 3425 Tracy Blvd, Tracy, CA TOC Depth to Water Level Ethyl- Tota! Well Date P/ Elevation Water Elevation TPHg TPHd Benzene Toluene benzene Xylenes MtBE DO Number Sampled NP (feet msl) (feet bgs) (feet msl) (pg1L) (erg/L) (pg1L) W/L) (pg/L) (pgIL) W91L) (mglL) Comments ATR-11 718!1992 -- 46 84 912 37 72 <50 — <0 5 <0 5 <0 5 <0 5 — — 10/7/1992 — 4684 930 37 54 <50 - <0 5 1/18/1993 — 4694 780 3904 <50 — <05 <05 <0 5 <0 5 - - 4l1411993 — 4684 847 3837 <50 — <05 <0 5 <0 5 <0 5 — — 6/31/1993 — 46 84 938 3746 <50 — <05 <0 5 <0 5 <0 5 -- ~ 10/27/1993 - 4684 931 3753 <50 — <05 <05 <0 5 <0 5 ~ - 2/18/1994 - 4684 883 3801 <10 — 08 1 <0 3 06 — -- 512011994 -- 4684 $93 37 91 <10 -- <0 3 <03 <0 3 <05 -- — 10/7/1994 4684 934 3750 <50 — <05 <0 5 <0 5 <0 5 -- — 12/1611994 -- 4684 891 3793 <50 — <0 5 <0 5 <05 <0 5 - -- 2/2811995 - 4684 885 37999 7 99 <50 -- <0 5 <0 5 <0 5 <0 5 ~ ~ 4/25/1995 — 4694 911 3773 <50 — <05 <0 5 <05 <0 5 — -- 7/27/1995 -- 4fi 84 9---S741 10/26/1995 -- 46 84 9 59 .3725 -- 2/12/1996 — 46 84 8 42 38 42 <50 - <0 5 <05 <0 5 <0 5 -- ~ 4/18/1996 - 4684 903 3781 -- -- — — — — 7/18/1996 46 84 945 3739 <50 -- <0 5 <0 5 <0 5 <05 <5 — 11/95/1996 - 4684 995 3689 — ~ -- — — — 311 411 9 9 7 NP 4684 9 86 36 98 6/4/1997 -- 4684 924 3760 811111997 NP I 46B4 962 11/17/1997 — 3/30/1998 N P 46 84 8 66 6/25/1998 -- 4684 992 3692 —— — — '- 9/11/1998 P 46 84 9 40 3744 <50 — <0 5 <0 5 <0 5 <0 5 <2 5 1 fit 12/15/1998 — 46 84 9 19 37 65 — 3/17/1999 P 4684 896 3788 <50 -- <0 5 0 821 <0 5 <0 5 <5 0 37 5!1411999 -- 46 84 9 20 37 64 -- — — — -- — — 2 8 9/16/1999 P 46 84 9 52 37 32 <50 — <05 <0 5 <0 5 <0 5 <5 0 3 4 12/22/1999 — 4684 9 32 37 52 -- -- -- -- -- -- 044 2/29/2000 P 46 84 8 60 38 24 114 -- <0 5 0 678 <0 5 163 <25 32 6!712000 NP 46 84 9 35 37 49 -- — — — — — 9/25/2000 NP 46 84 10 21 36 63 <50 — <0 5 <0 5 <Q 5 <Q 5 8 93 0 5 Report Date October 14,2004 Page 21 of 27