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<br />.~ <br /> <br />Michael G. Altavilla ®~~ C'~ <br />Seneca Coal Company !~ <br />Page 6 <br />Apri123, 1999 <br />areas, and update the PAP accordingly. See Comment I S above concerning our review of <br />potentially unstable and active landslide areas. <br />General Comments <br />17. The first paragraph on Page 4, Tab l of the revised text is duplicated from the previous page. <br />l8. On Exhibit 12-1, the brown shaded azea is designated in the legend as disturbance azea for <br />1995. However, a portion of the brown shaded area on the map is labeled as 2000-2004 <br />disturbance azea. Please explain this discrepancy and if appropriate, make changes to the <br />exhibit. <br />19. PWCC is refered to on page 3 of Tab 15 as opposed to SCC. Please change reference to <br />PWCC to SCC, if deemed appropriate. <br />20. Table 15-7 Ground Water Quality Monitoring Procedures is not consistent with Table 15-8 <br />Ground Water Monitoring Frequencies. For example, there are wells shown on Table 15-7 <br />that do not appear on Table 15-8. Are there additional wells in the monitoring program that <br />aze not shown on Table 15-8? Please verify the information contained on these tables and <br />make corrections, if deemed appropriate. <br />21. Several wells including YGAL17, YGAL18, YOV 1, YW2, YLOV3, YLOV4, YLS, YL6, <br />YOV21, YOV22, YW23, YW26, YOV27, YTC32 and YTC33 have been removed from <br />revised Table 15-8, and well YTM32 has been added. Please revise page 21 of Tab 15 to <br />include a discussion and rationale for these proposed changes to the monitoring program. <br />Please call if you have any questions. <br />Sincerely, <br />Michael P. Boulay <br />Environmental Protection Specialist <br />m:\coal\mpb\pr0 l adq.wpd <br />