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I City of Everett 01 35 44 -2 Police Firing Range Bullet Trap Replacement 1.3 SILICA REMEDIATION: A. Construction materials that contain silica include asphalt, brick, cement, concrete, , drywall, grout, mortar, stone, quartz, sand and tile, among others. Mechanical construction activities that can create silica dust include cutting, sawing, drilling, grinding, hydraulic demolition and crushing. I B The potential health hazards of overexposure to airborne silica dust generated from concrete and masonry materials include silicosis, lung cancer, chronic obstructive pulmonary disease, and decreased lung function. C. Employers are responsible for identifying and controlling worker exposure to silica dust. Some of the methods used by employers to control employee exposures to airborne dust include manual and wet removal methods, local exhaust ventilation, initial and periodic air monitoring, personal protective equipment, engineering controls, hygiene facilities and work area isolation. 1 D. The Occupational Safety & Health Administration (OSHA) has issued a final rule to help protect workers from exposure to respirable crystalline silica dust. The Washington Division of Occupational Safety and Health is reportedly preparing the official proposal with a tentative effective date of February 2018. For additional information contact Josefina Magana, magk235(a}LNI.WA.GOV 360.902.4233, and for technical information regarding Respirable Crystalline Silica contact Larry Gore GORE235(a7LNI.WA.GOV E. Conform to Authorities Having Jurisdiction for regulations, laws and ordinances for removal, storage, transportation, and disposal. PART 2 - PRODUCTS (Not Used) I PART 3 - EXECUTION (Not Used) END OF SECTION 01 35 44 1 I I I 01 35 44 - 2 HAZARDOUS MATERIALS PROCEDURES I