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This facility may have burned in excess of 80 million gallons of oils and solvents from <br />i 975 to i 990. The burning ceased shortly alter state inspectors discovered that the <br />facility did not have a permit modification for this activity. <br />• Cause and Effect: <br />For more than a decade, citizens have witnessed fugitive dust events from the facility and <br />suffered the ill effects of this dust--paint discoloration on automobiles, windshields <br />pitted, respiratory problems, and cement dust settling in their homes. The sole motive in <br />the Watchdogs' initiative for better air quality was being able to live without fears of <br />breathing toxic Portland cement dust, and to inform authorities of the problems at this <br />facility. <br />For years, the Boulder County Health Department and the Colorado Air Pollution <br />Control Division advised Cemex to revise its fugitive dust control plans and to improve <br />housekeeping processes. For whatever reasons, the dust events kept appearing, and <br />residents continued complaining to the Boulder County Health Department and to <br />Cemex. <br />The Compliance Order on Consent in the Matter of Cemex, Inc has finally given us some <br />relief!! <br />.Recent Incidents: <br />Three dust complaints were reported to the Boulder County Health Department and to <br />Cemex since the issuance of the Compliance Order. <br />1. February 27, 2004. Dust plume after blasting activity on spray tower. <br />2. March 18, 2004. Hea~ry concentrations of dust in the air about the facility. <br />3. March 25, 2004. Dust plume from dumping. <br />These complaints are being investigated by Gabi Hoefler, Inspector, Boulder County <br />Health Department. <br />~ Warning printed on a bag of Portland cement: "This product contains greater than 0.1% crystalline silica. <br />Prolonged or occupational exposure to air borne crystalline silica may cause lung disease or cancer. Avoid <br />emitting and breathing dust from this product. Always wear a Niosh-approved respirator when exposed to <br />dry cement dust. Avoid direct contact with skin, protect skin with boots, gloves, clothing. Don't let skin <br />rub against cement products. Keep cement and cement products out of eyes. Always wear safety glasses <br />with side shields.' <br />