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ENVIRONMENTAL GLASS, INC. <br />CONFINED. SPACE PRE ',' <br />It is very important that asbestos/lead removal contractors establish safe <br />procedures for entering and/or working in confined spaces which may be <br />hazardous to employees. <br />Confined space means any space having a limited entrance or exit which is <br />subject to the accumulation of toxic or flammable containments or the <br />development of an oxygen deficient atmosphere. <br />Confined spaces include, but are not limited to: storage tanks, bins, boilers, <br />ventilation or exhaust ducts, sewers, underground utility vaults, tunnels and crawl <br />spaces. <br />Recommended confined space entry procedures: <br />a. Before any employee is allowed to enter a tank or other confined <br />space, supervisory authorization must be obtained. <br />b. Appropriate tests of the atmosphere must be made by authorized <br />personnel from outside the confined space to determine if <br />established air contaminant limits are exceeded or if the oxygen <br />concentration is less than 19.5 percent by volume. Tests must be <br />made with the appropriate monitoring equipment. The person <br />authorized to monitor the atmosphere must be trained in the proper <br />use, calibration, and care of the monitoring instruments and must <br />remain at the site until all monitoring is completed. <br />C. If the tests indicate that the atmosphere is unsafe, the confined <br />space must be ventilated until the hazardous atmosphere is <br />removed, prior to employee entry. <br />d. If after ventilating the space. tests indicate a non -respirable <br />atmosphere (less than 19.5 percent oxygen) or levels of toxic <br />contaminants hazardous to health, no person will be allowed to <br />enter unless equipped with an approved air -line respirator or a self- <br />contained breathing apparatus, safety harness, and lifeline and has <br />been property trained in the use of that equipment. <br />e. The employee entering the space must wear protective clothing. <br />2. Before a confined space is entered, provisions must have been made for: <br />a. Constant communication and/or observation with an employee in <br />the immediate area who is not in the confined space. <br />