Envirco BSC - Manual (Page 15)

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A service record card is permanently attached to the front of the cabinet. An Authorized
Service Contractor will record service functions and validate the card upon completion of
certification.
IV
、USE AND MAINTENANCE
4.1 General operation rules
4.1.1 Description:
The Biosafety Cabinet should conform to the standard of the American
NSF/ANS149-2004and A/B3, an earlier edition.
The equipment provides the following three functions:
1. Effective protection for personnel from particulate or aerosol airborne contamination
generated within the work chamber
2. Provide clean working zone in the work chamber. The laboratory airborne
contamination cannot impinge on the work surface.
3. The analyte on the two sides has no cross-contamination
4.1.2 Typical uses
The Biosafety Cabinet is generally designed to provide a clean working environment for the
laboratory.
The equipment can protect the operator and prevent cross-contamination. It is used in
production areas and the following work.
 Low and moderate risk biological agents*
 Pollens, allergens, etc.
 *The Class II BiosafetyCabinet’s risk level is defined by the US Standard
ANSI/NSF 49:2002 and references the following:
(1)The risk levels Class 1,2,3,4 are classified by the HEALTH, EDUCATION and WELFARE
CENTER for disease control.
(2)The International Cancer Defending Organization defined the oncogenic viruses as
moderate risk.
(3)Laboratory biosafety brochure
The operator can obtain the satisfied results only after becoming fully acquainted with the
correct operation process.