| http://www.w3.org/ns/prov#value | - Traps or other devices shall be provided to insure that condensate in ducts does not drain back into any tank.(iv) The exhaust system, consisting of hoods, ducts, air mover, and discharge outlet, shall be designed in accordance with American National Standard Fundamentals Governing the Design and Operation of Local Exhaust Systems, Z9.2-1960, or the manual, Industrial Ventilation, published by the
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