USGS Site Number State Well Number Dates Times Type of Sample Dissolved Organic Carbon (mg/L AS C) 381923121255001 6N/5E-33Q2M 5/23/96 1050 Environmental 0.2 381923121255001 6N/5E-33Q2M 5/23/96 1051 Replicate 0.4 390954121394302 15N/3E-8F2M 6/13/96 1040 Environmental 0.7 390954121394302 15N/3E-8F2M 6/13/96 1041 Replicate 0.6 385550121352201 13N/3E-36L4M 8/8/96 1110 Environmental 0.3 385550121352201 13N/3E-36L4M 8/8/96 1111 Replicate 0.3 390856122044301 15N/2W-16R1M 8/13/97 930 Environmental 1.9 390856122044301 15N/2W-16R1M 8/13/97 931 Replicate 1.8 392931122031701 19N/2W-23E1M 8/20/97 1130 Environmental 2.2 392931122031701 19N/2W-23E1M 8/20/97 1131 Replicate 2.2 393235122055301 20N/2W-32J1M 9/18/97 1100 Environmental 2.6 393235122055301 20N/2W-32J1M 9/18/97 1101 Replicate 2.5 385720121282401 13N/4E-24Q1M 10/2/97 1120 Environmental 0.3 385720121282401 13N/4E-24Q1M 10/2/97 1121 Replicate 0.3 382911121312301 7N/4E-3K2M 6/22/98 1130 Environmental 4.8 382911121312301 7N/4E-3K2M 6/22/98 1131 Replicate 4.7 382800121270701 7N/5E-17B1M 7/22/98 1040 Environmental 0.5 382800121270701 7N/5E-17B1M 7/22/98 1041 Replicate 0.6 383727121301801 9N/4E-23A1M 8/6/98 930 Environmental 1.5 383727121301801 9N/4E-23A1M 8/6/98 931 Replicate 1.6 384318121230001 10N/5E-13F1M 8/19/98 1010 Environmental 0.6 384318121230001 10N/5E-13F1M 8/19/98 1011 Replicate 0.6