See a gallery from the DuPont™ Tyvek® Dirty Work contest, and find out about the winning entry.
Brief summary of the US EPA's (Environmental Protection Agency) "Level's of Protection (LOP)" as applicable to those individuals involved in handling hazardous materials. LOP's are based on the type of respiratory protection required to ensure the safety of the user under the specified conditions of use.
NFPA 1991 provides minimum levels of protection for emergency response personnel against adverse vapor, liquid splash, and particulate materials in HAZMAT environments.
NFPA 1992 provides standards for emergency response PPE against liquid splash, particulate materials, and non-carcinogenic vapors in HAZMAT environments.
NFPA 1994 sets design, certification, and minimum performance requirements for Chemical, Biological, Radioactive, and Nuclear (CBRN) protective ensembles for first responders to incidents involving CBRN terrorism agents, and for first responders exposed to victims or materials during assessment, extrication, rescue, triage, decontamination, treatment, site security, crowd management, and force protection operations at incidents involving CBRN terrorism agents.