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Mr. Bruce Goforth Z 3 4 The sediment pond may problems due to high lined? - 3 - I April create same water quality problem or soil concentration of heavy metals. SnPuld the 18, 1990 toxicity pond be The Mined Land Reclamation Division does not believe th t F..P,.I. should be required to line the recirculation ponds. We do no have reason to believe that heavy metals will be concentrated in the ine waters, since this situation is not typical of placer mine waste wat r in alluvial deposits of the area. The Mined Land Reclamation Division does not believe that toxicity due to heavy metals is a concernlin reoards to the soil or the water. Reclamation should be required for the total area used~or disturbed by this operation including all roads, ponds, buildings a d storage sites, parking lots, borrow areas and spoil sites. The Mined Land Reclamation Board Minerals Rules and Re ulations requires that all disturbed or redisturbed portions of the mine be reclaimed. However the regulations do not require revegetation on the pre viousiy disturbed lands where it is composed of sand or gravel to such an extent that it would seriously inhibit pant growth. The Min d Land Reclamation Division is requiring that the previously mined areas e regraded if they are re-mined and R.R.I. has indicated that they will v luntarily broadcast a grass seed mix in these areas. Tnese acti ities will return the land to a more stable condition than exists at pre ent. The areas of the mine that are undisturbed but will be affected are planned by the operator for full reclamation treatment. Fugitive dust may be a problem anc should be addressed, Reclamation Resources, Inc. has a permit from the Col rado State Department of Health, Air Quality Control Division. he PtLRD has notified the Health Department of the amendment appli ation. The amenoed mining plan uses more water for processing than the a proved permit and dust may be less of a problem. 5. Material swell resulting from replacement fill shouldlbe contoured not to exceed 3:1 slopes in steepness. `f Reclamation Resources, Inc. intends to commit to grad~no all mined portions of the permit area to aerttle southeastern si pes not to exceed b ~F. ~ 6. It appears on site topsoil will be scarce. Topsoil t6 cover all disturbed areas to a minimum depth of 6 inches should be salvaoed or brouoht in for reclamation. Reclamation Resources, ]nc. has committed to replace topsoil at depths o` 4-12 inches. The Division has asked for topsoil spr aline to averaoe 6 inches in the grassed arezs and 12-18 inches in the orested areas. 7ne Mined Land Reclamation Division cannot reouire an op~rator to import soil to reclaim previously disturbed areas.