Permitted noise exposure times in A.P.T.-E power car engine room (IM-PHYS-002)

In this note we calculate the maximum permitted noise exposure times for workers in the engine rooms of A.P.T. - E. An unprotected worker may dwell for 2 hours/day with the fans in operation or 10 minutes/day with the engines running. There is, however, no restriction on workers using hearing...