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Sawn& 1Yda1::Ynflubttc Data aurteen Mr7e SEough Ytll�J a Wt st tYfu11t111T todopix Lowest lade Highest Tide Monitoring Sounding Tyne Of Time-Height Time-Height Well Number Date Sounding in Feet in Feet MW-4 08/24/94 Unrecorded 2iO4p-03 7:21p-3.3 09/19/94 11:30p 12:04p-0.2 5:13p-3.5 10/25/94 1:30p 5:14a-0.4 8:05p-3.0 11/28/94 10:22a 8:26p-0.3 2:39p-3.5 12/15/94 11:19a 10:51p--0.1 2:37p-3.7 01/10/95 2:00p 8:12p-0.4 1:09a-3.8 07/07/95 7:10a 9:21a-0.3 2:23a-4.3 MW-5 08/24/94 Unrecorded 09/19/94 12:00p 10/25/94 1:00P 11/28/94 10:352 12/15/94 11:40a 01/10/95 1:30p 07/07/95 7:30a MW-6 06/24/94 Unrecorded 08/24/94 12:30p 10/25/94 2:00p 11/28/94 10:48a 12/15/94 12:10p 01/10/95 2:30p 07/07/95 9:30a MW-7 07/07/95 8:00a MW-8 07/07/95 8:35a 1994 Tidal Tables for the Central California Coast and 1995 Tidal Tables for the San Francisco Coast are based on National Ocean Survey Tables provided by the U.S. Deportment of Commerce;all published data have been corrected for tidal influences at Stockton. 4.2 Ground-Water Sampling Prior to normal well-sampling procedures, ground-water sampling equipment was steam-cleaned and/or washed in Liquinox®prior to sampling and between sampling each well. Water-condition parameters of temperature, electrical conductivity, and pH were measured and logged during well-purging prior to sampling the wells. Purging was continued until at least three well- volumes of water were removed from each well, and water condition parameters had stabilized. The Well Sampling and Monitoring Logs are included as Appendix A. Each ground-water sample was collected within a clean, disposable, polyethylene bailer lowered to just below the water surface. Each ground-water sample was brought to the surface and immediately transferred to two-to-six, 44-m1 capacity, glass, Volatile Organic Analysis (VOA) W.W. Irwin, Inc. Project No. 33016.05&.06 _ August 1995 11