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mom M = M = M = v w M = = = = mom <br /> Table 1 <br /> GRCUNDHATER MONITORING DATA <br /> Ruiz 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 1s MSL) TPHg Benzene Toluene benzene Xylenes Observations Removal <br /> I <br /> MW-3 09/04/91 97 93 8 67 89 26 <50 <0 5 <0 5 <0 5 <0 5 No Product or Sheen NA <br /> MW-3 10/31/91 10 10 87 83 HS HS NS NS NS No Product or Sheen NA <br /> HW-3 10/20/91 10 62 87 31 us US N5 NS NS No Product or Sheen NA <br /> MW-3 04/09/92 14 35 83 58 <50 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 <1 0 <0 5 <0 5 No Product or Sheen NA <br /> MW-3 01/07/93 15 03 82 90 HS US 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 <0 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 <0 3 <0 3 No Product or Sheen NA <br /> mW-3 06/09/94 10 44 87 49 <50 <0 3 <0 3 <0 3 <0 3 No Product or Sheen NA <br /> Domestic Well <br /> 09/04/91 NM NM NM <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 NM NA <br /> 04/07/93 NN NN NM <50 <0 5 <0 5 <0 5 <0 5 NM NA <br /> W-1-Production <br /> 06/09/94 NM 17 21 NM <50 <0 3 <0 3 <0 3 <0 3 NM NA <br /> Analytical results in parts per billion (ppb) <br /> Measurements in feet below top of casing <br /> TOC = Top of casing <br /> MSL = Mean sea level <br /> TPHg = Total petroleum hydrocarbons as gasoline <br /> NS = Not sampled <br /> NN = Not measured <br /> NA = Not applicable <br /> ° = Elevation corrected for presence of floating product <br /> Domestic Well = W-1 Production Well <br /> Data collected before December 30, 1993 from Delta Environmental Consultants, Inc <br /> 0621tgot/123020-1 <br />