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SEL Number: 01CB-04-ENSM
Title: Ensemble, HazMat Emergency and Terrorism Incident Protective, NFPA 1994 Class 4


Last Updated: 3/18/2024 9:03:47 AM

Previous SEL Number: 01CB-04-ENSM

Description: NFPA
National Fire Protection Association
1994 Class 4 HazMat Emergency and CBRN
Chemical, Biological, Radiological, Nuclear
Terrorism Incident Protective Ensemble, including garment, gloves, footwear, and CBRN
Chemical, Biological, Radiological, Nuclear
APR or PAPR (certified as compliant with the NFPA
National Fire Protection Association
1994 Class 4 requirements of NFPA
National Fire Protection Association
1990). NFPA
National Fire Protection Association
1994 Class 4 certifications specify these elements by make/model -- using any element other than those specified invalidates the certification. The elements of this Item should be purchased and used as a complete ensemble.

ImportantFeatures: Ensembles certified as compliant with NFPA
National Fire Protection Association
1994 Class 4 requirements consist of full body one- or multi-piece garment, gloves, and CBRN
Chemical, Biological, Radiological, Nuclear
APR or CBRN
Chemical, Biological, Radiological, Nuclear
PAPR. Note that the certification applies to a specific set of elements identified by make/model (garment, gloves, boots, respirator) and the ensemble certification is void unless the specified elements are used (e.g., it is not permissible to substitute a respirator that have not been certified as part of the ensemble). Footwear certified to other standards (NFPA
National Fire Protection Association
1951, 1971, 1991, 1992 and 1999) is acceptable if the footwear height is at least 8 inches when measured from the floor.

The ensemble is designed to minimize the inward leakage of biological or radiological particulates only, verified by a particle-tight integrity test. The ensemble is also intended to minimize any exposure to airborne solid chemicals or dusts. The suit and component parts do not offer protection from gases, vapors, or aerosols. Limited liquid protection is offered, primarily to enable wet decontamination. Materials are tested for viral penetration resistance and various physical properties to ensure adequate single use durability and resistance to physical hazards. Ensembles are tested for functionality.

Operating Considerations: Class 4 ensembles are designed to protect emergency first responder personnel during hazardous materials emergencies and at terrorism incidents involving biological hazards or radiological particulate hazards where the concentrations are below Immediately Dangerous to Life or Health (IDLH) levels, permitting the use of air-purifying respirators (APR), or powered-air purifying respirators (PAPR).

Class 4 protective ensembles are intended for use in situations involving only biological or radiological particulates, where there is no threat for exposure to chemical warfare agents or toxic industrial chemicals. While Class 4 ensemble materials are evaluated for viral penetration resistance for protection against bloodborne pathogens (OSHA Title 29 CFR
Code of Federal Regulations
1910.1030), they should only be used when there is very little potential for liquid exposure. Class 4 ensembles must cover the individual; however, the respirator certified with the ensemble may cover the face of the wearer. Because these ensembles are intended for longer wearing periods, the use of air-purifying respirators or powered air-purifying respirators with these suits is likely. Use considerations are provided in OSHA Title 29 CFR
Code of Federal Regulations
Sections 1910.120 and 1910.132, and NFPA
National Fire Protection Association
1500, Standard on Fire Department Occupational Safety and Health Program.

Training Requirements: Core Training: NFPA
National Fire Protection Association
470 Chapters 6, 8, 10 as applicable, OSHA 1910.120, OSHA 1910.132.
Initial Training: Moderate (1-2 days)
Sustainment Training: Minimal (<1 day)

Mandatory Standards:


Applicable Standards and References:


MSSL:
  • Responder Safety: Infectious Diseases
  • Law Enforcement: Bomb Squad
  • Law Enforcement: Forensic Technician
  • Law Enforcement: Mobile Field Force
  • Medical: Point of Dispensing
  • Mortuary Operations
  • REL: Full Canadian Recommended Equipment List
  • REL: LOS-1, Multi-Agency Intervention
  • REL: LOS-2, Scout/Reconnaissance Mission
  • REL: LOS-3, Suspicious Powder Response