1, should take measures to prevent outdoor gas backflow.
2, the discharge of flammable, explosive substances containing gas local exhaust system, fire prevention, explosion-proof measures should be taken.
3, the direct emission of gases exceeding the national emission standards, emissions should be taken to deal with measures.
4, the exhaust system containing water vapor and condensing substances, should be set up slope and discharge port.
5, the production of penicillin and other special drugs exhaust system should be in line with the penicillin and other special drugs production area of the air should be filtered by high-efficiency air filters and then discharged. Two types of dangerous degree above the pathogen operation area and biosafety room, should be the exhaust system of high-efficiency air filters installed in the pharmaceutical clean room (area) in the exhaust port.