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~ ~ Jerry Nettleton To Dan Hernandez, Byron Walker ' 10/04/2006 01:18 PM ~ Mike Berdine, Brian Watterson • ~ ~ txx Subject Twentymile Coal Company -Foidel Creek Mine (Permit C-82-056), NOV CV-2006-006 -Abatement DanByron - To put the water quality analysis results provided at your request in perspective, the following summarizes the timing and sites sampled: We normally do surtace water sampling on a monthly basis. Bryan Watterson had completed his monthly surtace water sampling on September 6th, five days before the Pond E coal fines discharge was discovered. The lab analysis results package identified as ACZ Project ID L58718 (28 pages) provides the analysis resuhs for the 09/06/06 sampling for the following sample sites (as summarized on page 27 of 28); Site 8 -Foidel Creek between the overpass and the RCR33 and RR crossing Site 900 -Foidel Creek before the Middle Creek Shop Site 29 -Middle Creek across from the Lieske Ranch Siie 27A -Fish Creek above confluence with Trout Creek (NW of Fish Creek Tipple) Site 305 -Fish Creek above confluence with Trout Creek (NW of Fish Creek Tipple) • Sfte 62 -Fish Creek at Fish Creek Tipple Sfte 305 -Fish Creek between Fish Creek Tipple and Orten Ranch Site 69 -Trout Creek below confluence with Fish Creek (N of Orten Ranch) Site 1005 -Trout Creek near headgate off of RCR179 All sampling sites are shown and designated on Map 13A (Figure 2) in Volume 5 of the PAP Following discovery of the coal fines discharge, we sampled the discharge and several downsfream sites the next day (September 12th -Analysis results package identified as ACZ Project ID 58816 (20 pages)) and on a weekly basis thereafter (September 19th and 26th) for the following sample sites (as summarized on page 19 of 20); Site 85 - Pond E discharge Site 900 -Foidel Creek before the Middle Creek Shop Site 29 -Middle Creek across from the Lieske Ranch Site 69 -Trout Creek below confluence with Fish Creek (N of Orten Ranch) Site 1005 -Trout Creek near headgate off of RCR179 Site 800 -Jones well (alluvial well on Trout Creek downstream from point 1005} •