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page 2 <br /> <br />Combustible and DUst Producing Ope=ations: <br /> <br /> Combustible and dust producing operations <br /> will be permitted only in locations that have <br /> blower and exhaust systems installed in <br /> accordance With N.F.P.A. 91 including <br /> automatic protection as indicated in 91-5-~. <br /> This operation permit will fall within the <br /> normal inspection process. <br /> <br /> <br />