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Permit Number ~-Iq~~-[-(~~ Ctass: OPerrnit Section/EZhibit: _. _._._._._._._._._._._._. _._._._._._._._._._. _. Class: O Revision _._. TYPe/Seq i St. Vrain Valley _ _._.___._____ _ ___._.___._._._.___._._._.___. _._____._.___ Class: ^ Report ^ Hydra ral y COIT11llUn1ty Watchdo g Doc Type: L~-,Q11 ___._____ _______ _ (~ pgpplication (Coal only) O Bond 0-Enforcement Inspection neighbors united for clean air P O Box 82/Hygiene/CO 80533-0082 online a[ www.stvrainwatchdogs. org August 8, 2002 Mr. Carl Mount Senior Environmental Protection Specialist Division of Minerals and Geology Department of Natural Resources 1313 Sherman St., Room 215 Denver. Colorado 80203 Dear Mr. Mount, RECEIVED AUG 111001 Division of Minerals and Geology On May 14, 2002, the Watchdogs filed a complaint with Mrs. Gobi Hoeffler, Boulder County Health Department, that the sprinkler system at Cemex-Lyons was not functioning, and that plumes of CKD were being dispersed by the wind and blowing off the company's property. (Photo 1) Mrs. Hoeffler notified us by email on May 20, 2002 that she had followed up with the environmental officer at Cemex-Lyons, and was told that, "they were in process of repositioning and repairing the sprinklers to get them to work more effectively." July 20, 2002. Another incident of fugitive CKD was observed and reported to the duty officer in the control room at Cemex-Lyons. The officer stated that he didn't know if the sprinkler system was working as the system was on a timer. He also stated that "the sprinkler doesn't cover the edge of the pit and the water truck could not be used as it might fall off the edge of the pit." (Photo 2) July 26, 2002. Another incident was observed and reported. (All incidents are reported to personnel in the control room at Cemex-Lyons and to Mrs. Hoeffler at the Boulder County Health Department.) The Watchdogs respectfully request an inquiry into the failure of the sprinkler system at the Cemex-Lyons' CKD disposal site. The DMG's requirements for the safe and appropriate management of cement kiln dust at Cemex-Lyons are clearly stated: "The CKD is usually pug-milled with water and then either backfilled into a pit or put into waste piles which are constantly sprayed with water to prevent air transport." (Christina Karnnikar 1/20/99) Unfortunately, the recent fugitive dust incidents described above are causing renewed concerns and frustrations within our community. "Prorecl what's tbsest m yaw heaA; your family, friends and your fangs."