Biosafety Laboratory Requirements

Biosafety Requirements

First-class biosafety protection laboratories do not need to use special safety equipment such as biosafety cabinets. Staff should wear work clothes and protective glasses in the laboratory. Each laboratory should have a hand-washing basin, which should be located near the exit; The interior surfaces of the laboratory envelope should be easy to clean, the ground...

Text label: pharma machinery design and installation, biosafety laboratory, laboratory requirements

Biosafety Requirements

First-class biosafety protection laboratories do not need to use special safety equipment such as biosafety cabinets. Staff should wear work clothes and protective glasses in the laboratory. Each laboratory should have a hand-washing basin, which should be located near the exit; The inner surface of the laboratory enclosure should be easy to clean, the floor should be non-slip and seamless, and no carpet should be laid. The surface of the laboratory bench should be impermeable, corrosion-resistant and heat-resistant; for easy cleaning, biological waste should be kept between various furniture and equipment. Shelves for food containers. In the secondary biosafety protection laboratory, operations that may generate pathogenic microorganism aerosols or splashes should be carried out in biological safety cabinets or other physical suppression equipment, and use personal protective equipment; handle high concentrations or large volumes of infectious materials All must be carried out in a biological safety cabinet or other physical inhibition equipment, and personal protective equipment shall be used; when microbial operations cannot be carried out in a biological safety cabinet and external operations must be taken, in order to prevent the hazard of splashing or aerosolizing infectious materials, Face protection, goggles, face shields, personal respiratory protection, or other splash protection must be used; used coveralls should be sterilized in the laboratory before being uniformly washed or discarded.

Level 3 biological safety protection laboratory must install biological safety cabinets of Class II or above, and all operations involving infectious materials should be carried out in biological safety cabinets; When handling aerosols, personal protective equipment must be used. When aerosols cannot be safely and effectively limited within a certain range, respiratory protection equipment should be used; before entering the laboratory work area, staff should wear in a dedicated dressing room. Back-opening overalls or other protective clothing, you must take off your overalls after work, and do not leave the laboratory in your overalls; the buffer room forms a passage into the laboratory, and two interlocking doors must be set up. When one of the doors is opened, the other door automatically In the closed state, if the electric interlocking device is used, the two doors must be openable when the power is off, and the secondary dressing can be carried out in the buffer room; when the ventilation system of the laboratory is not equipped with an automatic control device, the buffer room area should not be too large , it should not exceed one-eighth of the area of u200bu200bthe experimental room; the installation position of the Class II or Class III biological safety cabinet should be far from the entrance of the experimental room, avoid the area where the staff frequently walks, and it is conducive to the formation of airflow from the 'clean' area to the 'clean' area. Air flow pattern in the 'contaminated' area. Zhongjing Global Purification can provide consulting, planning, design, construction, installation, transformation and other supporting services for biosafety laboratories and clean rooms.

An independent ventilation and air-conditioning system must be installed to control the direction of air flow and pressure gradient in the pharma machinery. It must be ensured that when the laboratory is used, the indoor air shall not be discharged from other parts or gaps in the laboratory, except for the high-efficiency filtration through the exhaust duct. To the outside, while ensuring that the airflow in the laboratory flows from the 'clean' area to the 'contaminated' area, the layout of the air inlets and exhausts should minimize the space in the experimental area; the ventilation and air-conditioning system is a straight-through system, and must not Partial return air system is adopted; in order to ensure that the air flow in the laboratory flows from the 'clean' area to the 'contaminated' area, the layout of the exhaust outlets with uniform distribution on both sides should not be used in the laboratory, and the ventilation design of the upper supply and the upper row should not be adopted. ; The inlet air of the laboratory should be filtered at primary, middle and high efficiency levels; the inlet and exhaust high-efficiency filters must be installed in the tuyere of the pharma machinery on the maintenance structure to avoid contamination of the air duct; in the laboratory ventilation system All parts used must be airtight, and the high-efficiency filter used must not be a wooden frame; an automatic interlocking device for fan start should be installed to ensure that the exhaust fan is turned on first and then the supply fan when the laboratory is started, and the supply fan is turned off when the laboratory is turned off. Turn off the exhaust fan.

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