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41k • 0 <br /> w <br /> Teble 1 <br /> GROUNDWATER MONITORING DATA <br /> Auiz Grocery <br /> 4491 Hest Durham Ferry Road <br /> Tracy, California <br /> (page 2 of 2) <br /> Well/ Elevation Depth Elevation <br /> Sample of TOC to of water Ethyl- Total Product <br /> Number Date (Datum is MSL) water (Datum is MSL) TPRg Dcnzene Toluene benzene Xylenes Observations Removal <br /> Mw-3 09/04/91 97.93 8.67 89.26 <50 40 5 <0.5 4.5 4.5 No Product or Sheen NA <br /> Mw-3 10/31/91 10.10 87 83 US I'S NS NS NS No Product or Sheen NA <br /> Mw-3 10/20/91 10.62 87 31 I'S I'S NS NS NS No Product or Sheen NA <br /> Mw-3 04/09/92 14.35 83.58 450 1.0 <0.5 <0.5 <0 5 No Product or Sheen NA <br /> Mw-3 07/10/92 12.36 85.57 <50 <0.5 0.0 <0.5 0.5 No Product or Sheen NA <br /> Mw-3 01/07/93 15.03 82.90 NS I's NS NS NS No Product or Sheen NA <br /> Mw-3 04/07/93 15.10 82.83 <50 <0.5 <0 5 <0 5 <0.5 No Product or Sheen NA <br /> Mw-3 12/30/93 14 38 83 55 <50 cO 3 <0 3 <0.3 <0 3 No Product or Sheen NA <br /> Mw-3 03/09/94 15 39 82.54 <50 <0 3 <0.3 <O.3 0 3 No Product or Sheen NA <br /> Mw-3 08/01/94 10 05 87.88 ISS I'S NS NS NS No Product or Sheen NA <br /> Mw-3 08/22/94 99.50 12 08 87.42 <50 <0 3 <0 3 <0.3 <0 3 No Product or Sheen NA <br /> Nw-4 08/01/94 99 30 11.98 87.32 I'S HS NS NS NS No Product or Sheen NA <br /> Mw-4 08/22/94 100 89 13.41 87.48 <50 4 3 <0.3 0 3 <0.3 No Product or Sheen NA <br /> NW-5 08/01/84 98.69 11 56 87.13 I'S ISS NS Ns NS No Product or Sheen NA <br /> Mw-5 08/22/84 100.28 12.86 87.42 <50 <0 3 <0.3 0 3 <0.3 No Product or Sheen NA <br /> Mw-6 08/01/94 98 75 11.40 87 35 I's I'S NS NS NS No Product or Sheen NA <br /> Mw-6 08/22/94 100.36 12.98 87.38 <50 <0 3 <0.3 <0.3 <0.3 No Product or Sheen NA <br /> Mw-7 08/01/94 99.45 12.01 87 44 I'S VS: NS NS NS No Product or Sheen NA <br /> Mw-7 08/22/94 101.04 13.56 87.48 <50 <0 3 <0.3 <0.3 <0.3 No Product or Sheen NA <br /> Domestic well <br /> 09/04/91 NM NM NN <50 <0 5 <0 5 <0.5 <0.5 NM NA <br /> 01/07/93 NM NM NM <50 <0 5 <0 5 <0.5 <0.5 NN NA <br /> 04/07/93 NM NM RM <50 <0.5 c0.5 <0.5 <0.5 NM NA <br /> Analytical results in parts per billion (ppb) <br /> TOC w Top of casing <br /> MSL a Mean sea level <br /> TPHg m Total petroleum hydrocarbons as gasoline <br /> NS = Not sampled <br /> NM = Not measured <br /> NA = Not applicable <br /> $ = Elevation corrected for presence of floating product <br /> Data collected before December 30, 1993 from Delta Environmental Consultents, Inc. <br /> 1230201QMR3Q94 FNL <br /> r' <br />