The director, having consulted with a committee of environmental specialists as required by law, hereby designates the following materials as critical materials to be set forth in a critical materials registry filed at the department:

	Asbestos
	Arsenic, elemental and compounds of
	Barium, soluble salts of
	Beryllium, elemental and compounds of
	Boron, elemental and compounds of
	Cadmium, elemental and compounds of
	Chlorinated hydrocarbons, compounds
	Chlorine, elemental and compounds of
	Chromium, soluble salts and all chromates
	Copper, elemental and compounds of
	Cyanides, compounds including the organic nitriles
	Fluorine, elemental and compounds of
	Lead, elemental and compounds of
	Mercury, elemental and compounds of
	Nickel, soluble salts of
	Organo phosphorus; insecticide, algaecide, and slimecide compounds
	Phenols and polychorinated biphenyls, compounds
	Selenium, elemental and compounds of
	Silver, soluble salts of
	Zinc, soluble salts of

PDFWAC 173-40-040

Critical materials registry.