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0 STable 1. Monitoring Well Water Levels, con't. Well Date Well Depth to Casing Water Floating No Sampled Depth Water Elev Elev Product (ft) (ft) (MSL ft)* (MSL ft) MW-3 9114195 16 28 765 47 94 40 29 None M W-3 3/28196 1615 690 ----- 41 04 None MW-3 6127/96 16 10 737 ----- 41 57 None MW-3 12/19/96 1610 725 ----- 40 69 None MW-3 3/10/97 1610 716 ----- 40 78 None MW-3 6130/97 1610 764 ----- 40 32 None MW-3 8120197 1610 790 ----- 40 04 None MW-3 12/12/97 1610 750 ----- 40 44 None MW-3 3131/98 1622 621 ----- 41 73 Nene MW-4^ 8/20197 16 45 821 47 60 39 39 None MW-4^ 12/12/97 16 45 773 ----- 39 87 None MW-4^ 3/31198 16 45 700 ----- 40 60 None MW-5^ 8/20197 -16 95 820 47 79 39 59 None MW-5^ 12/12/97 16 95 7 75 ----- 40 04 None MW-5^ 3/31/98 16 91 7 15 ----- 40 64 None MW-6^ 8120197 17 45 822 48 92 40 70 None MW-6^ 12/12/97 17 45 7 85 41 07 None MW-6^ 3/31/98 17 05 715 ----- 41 77 None MW-7^ 8120/97 14 95 7 82 48 78 40 96 Norte MW-7^ 12/12/97 14 95 Z 7 84 ----- 40 94 None MW-7^ 3/31/98 13 04 v 708 ----- 41 67 None MW-8^ 8/20197 16 00 7 96 47 90 39 94 None MW-8^ 12/12/97 16 00 Z 7 57 ----- 40 33 None MW-8^ 3/31/98 14 56 1 6 79 ----- 41 11 None MW-9^ 8120/97 15 95 833 48 28 39 95 None MW-9^ 12/12/97 15 95 8 00 ..... 40 28 None MW-9^ 3131198 13 18 723 ----- 41 05 None * Casing elevation data from Evax Technologies, Site Investigation Report, April 7, 1992 ^ Casing elevation data from Triple "E" Engineering and Surveying, August 14, 1997 The sampler proceeded to purge well volumes of groundwater using a submersible electric purging pump (a volume calculation was done for each well following sounding measurements) Between each well volume purge, conductivity, pH, and water temperature readings were obtained and noted on the attached groundwater sampling information sheets Once these readings stabilized after two consecutive purge volumes aquifer water is assumed to be entering the well When the well recovered to about 80% of the initial water level, the sample was collected Purge water was stored on-site in drums The well sampling information sheets containing data on temperature, conductivity, pH, depth to water, and well volumes purged are 101 attached Page 2