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July 30, 1992 1. <br /> . Former Unocal Station 2859, Stockton, California Working To Restore Nature <br /> • <br /> TABLE 3 <br /> LABORATORY ANALYSES OF GROUND-WATER SAMPLES <br /> Former Unocal Service Station No. 2859 <br /> 0 1665 Pacific Avenue <br /> Stockton, California <br /> (page 2 of 3) <br /> Sample Sample Ethyl- Total <br /> ID Date TPHg Benzene Toluene benzene Xylenes <br /> ~ W-33-MW3 06/06/88 170 1. 0 <0. 5 <0. 5 1. 6 <br /> W-38-MW3 10/26/88 200 1. 3 <0. 5 <0 . 5 1. 5 <br /> W-36-MW3 03/02/89 120 1 . 1 <0. 5 0.7 1 <br /> W-44-MW3 08/28/89 1, 000 1 . 2 2 . 1 4 . 1 11 <br /> W-45-MW3 11/30/89 360 2 . 1 1. 4 8 .4 17 <br /> 0 W-43-MW3 03/01/90 300 1. 6 <0. 50 3 . 6 6.4 <br /> W-46-MW3 05/30/90 760 <0 . 50 9. 0 7 . 1 7 . 6 <br /> MW3 08/24/90 Not sampled -- Well dry <br /> MW3 11/19/90 Not sampled -- Well dry <br /> MW3 02/25/91 Not sampled -- Well dry <br /> MW3 05/29/91 Not sampled -- Well dry <br /> ! MW3 08/28/91 Not sampled -- Well dry <br /> MW3 11/06/91 Not sampled -- Well dry <br /> MW3 03/04/92 Not sampled -- Well dry <br /> MW3 05/21/92 Not sampled -- Well dry <br /> W-43-MW4 08/28/89 150 <0 . 50 <0.50 <0.50 1. 4 <br /> W-42-MW4 11/30/89 86 <0. 50 <0. 50 <0.50 <0.50 <br /> W-43-MW4 03/01/90 100 <0 . 50 <0. 50 <0 .50 <0. 50 <br /> W-45-MW4 05/30/90 130 <0 . 50 <0. 50 <0. 50 <0. 50 <br /> W-51-MW4 08/24/90 130 <0 . 5 0.7 0.9 1. 2 <br /> W-50-MW4 11/19/90 93 <0. 50 <0. 50 0. 6 0.5 <br /> W-51-MW4 02/25/91 110 <0 . 5 <0. 5 0.8 1.5 <br /> • W-50-MW4 05/29/91 290 1. 4 1. 0 2 . 2 3 . 2 <br /> W-51-MW4 08/28/91 180 <0. 5 <0. 5 1. 0 <0. 5 <br /> W-50-MW4 11/06/91 90 0 . 5 1. 3 0.7 1. 8 <br /> W-48-MW4 03/04/92 120 <0 . 5 <0. 5 0.7 2 .2 <br /> W-49-MW4 05/21/92 160 <0 . 5 <0 . 5 <0. 5 <0. 5 <br /> See notes on page 3 of 3 . <br /> . 0528bbou <br /> 38012-9 <br />