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Ms. Christine Johnston <br />Mountain Coal Company <br />Page 6 <br />September 6, 1996 <br />18. The following required analytical data are missing from the surface water <br />quality data presented in Appendix D: <br />• Not all of the parameters were collected for the North Fork <br />Upper station during the third sampling period as required. <br />Only Fe (total), Mn (total), TSS and TDS were collected and <br />reported. <br />• Not all of the parameters were collected for the North Fork <br />Lower station during the third sampling period as required.Only <br />Fe (total), Mn (total), TSS and TDS were collected and <br />reported. <br />These data are critical for understanding potential impacts to the North Fork <br />Gunnison River. Please provide an explanation why these required data were <br />not collected or if they are available provide them in a revised report page. <br />19. The baseline minimum and maximum values for flow should be added to <br />Table D-8 and Table D-9 for the North Fork Upper and North Fork Lower <br />stations, respectively. Please submit revised tables. <br />20. The Division notes that TSS was exceeded at MB-1 and MB-2R during the <br />4th quarter 1994. TSS was exceeded at MB-2R during the first and second <br />quarters during 1995. Please revise the second sentence under Runoff from <br />Disturbed Area on page 22 to reflect exceedances at both MB-1 and MB-2R. <br />Also on page 22, it states that MCC changed their sampling protocol to <br />ensure compliance prior to discharge. Please explain how the sampling <br />protocol was changed and how this effected analytical results. <br />21. In future AHRs, please provide the "Incident Reports" corresponding to oil <br />spills as an appendix to the AHR report (refer to the last sentence on page <br />22). <br />22. Page 23 is missing from both copies of the 1995 AHR that were delivered to <br />the Division. Please provide two copies of page 23. <br />