SECTION 11604
BIOHAZARD SAFETY CABINETS
1.
This section provides inspection and test procedures for biohazard safety
cabinets.
2.
INSPECTIONS AND TESTS
A.
Symbol
Item Description
H12A-48/72........Class II, Type A Biohazard Safety Cabinet. 30%
indirect exhausted air and 70% recirculated air,
1200 mm or 1800 mm (48 or 72 inches) wide.
H12B1-48/72.......Class II, Type B1, Biohazard Safety Cabinet. 70%
direct exhausted air and 30% recirculated air,
1200 mm or 1800 mm (48 or 72 inches) wide.
H12B2-48/72.......Class II, Type B2, Biohazard Safety Cabinet. 100%
direct exhausted air, 1200 mm or 1800 mm (48 or
72 inches) wide.
H20-48/72 ........Class III, Type B3, Biohazard Safety Cabinet. 100%
direct exhausted air, 1200 mm or 1800 mm (48 or
72 inches) wide.
B.
Visual Examination and Certification Tests: All biohazard safety cabinets should be
inspected and tested incompliance with National Sanitation Foundation (NSF) Standard Number
49.
C.
Certification Compliance Examination:
Certifications, certified test reports,
or listing marks for codes and standards, as applicable, should be
examined and validated as proof of compliance.
1)
Biohazard Safety Cabinets should conform to the following
standards:
-
National Sanitation Foundation (NSF)
-
American Society for Testing and Materials (ASTM)
-
National Fire Protection Association (NFPA)
2)
Conformance to these standards should be evidence by seal,
label, stamp or certified test reports.
11604-1
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