1999-09-17_REVISION - M1999002 (3)

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~----- ~~ 0~2 ; /AMERICAN SODA, L.L.P. ~I~ I~~~I~~~~~~~~I~~ 710 Cooper Ave. PO. Box 2070 Glenwood Springs. CO 81602 RECEIVED / ~~~ 17 1999 `~ Mr. Carl Mount Senior Environmental Protection Sp~~sd4l~rtl Minerab 8 Geology Colorado Department of Natural Resources ~o'~ Division of Minerals and Geology X215 Centennial Building 1313 Sherman Street ~ o a , Denver, CO 80203 N~~~ ~ S~ ~ r~ ~ few I ~ ~ r' f~ ~kw; ca~ Telephone (9701 926 9666 Facsimile [9701 926-9863 September 16, 1999 J.O.N. 124, JB 6,1b,1 Letter No. 124-708 i .GviS; (7.2 ~2~( Subject: Technical Revision -Mining and Reclamation Permit No. M-99-002 - Fulfillment of Stipulation Nos. 2, 3, and 4 Yankee Gulch Sodium Minerals Project Dear Carl, American Soda, L.L.P. (Arerican Soda) filed an application for a Regular Operation (112) Reclamation Permit (112 Permit Application) for the Yankee Gulch Sodium Minerals Project (Yankee Gulch Project) with the Colorado Division of Minerals and Geology (CDMG) on January 20, 1999. Following the Colorado Mined Land Reclamation Board's (CMLRB) approval of the 112 Permit Applii ation, CDMG issued Mining and Reclamation Permit (112 Permit) No. M-99-002 by letter dated July 16, 1999. The purpose of this letter is to provide a Technical Revision to the ll2 Permit, as required in the Rider to Mining Permit stipulations and conditions No. 2, 3, and 4. Stipulation No. 3 of the 112 Permit requires American Soda to provide as a Technical Revision to the 112 Permit "... a revised list of analytical parameters for MDLs." Method Detection Limits (MDLs) were previously provided in Tables 2 and 3 of the Groundwater and Surface Water Monitoring Plan (GWSWMP). A revised list of MDLs is provided in Attachment 1 to this letter in the form of replacement Tables 2 and 3 (WQl and WQ2, respectively) to the GWSWMP. This Technical Revision thereby fulfills American Soda's responsibilities under Stipulation No. 3 of the 112 Permit. Stipulation No. 2 of the 112 Permit requires American Soda to substitute the following MDLs for the MDLs listed in Table 2 and Table 3 of the GWSWMP: cadmium 0.0003 mg/1, copper 0.004 mg/1, silver 0.0002 mg/I, and chloride 5.0 mg/l. These revised MDLs are reflected in replacement Tables 2 and 3, which, as indicated above, are provided in Attachment 1 to this letter. The requirement of Stipulation No. 2 of the 112 Permit is thereby fulfilled. Natura/ Sodium Products For a C/eaner Environment