NIOSH approved against certain organic vapors and particulates. Use for a variety of applications including spray painting, pesticides, agriculture, construction and transportation. When properly fitted, helps provide respiratory protection from certain organic vapors and particulates at concentrations up to 10 times the Permissible Exposure Limit (PEL). Do not use in environments that are immediately dangerous to life or health (IDLH). When using A7-6889 or A7-6889A Zinc Chromate, you should use a NIOSH approved respirator.