The following table lists the materials and substances that are present/not present in Northrop Grumman Space Technology's  products and processes. This table is intended to show the presence or absence of banned substances in Northrop Grumman Space Technology's MMIC products*.

This information is provided to assure our customers of the environmental impact of selecting products manufactured by Northrop Grumman Space Technology.

Banned Substances	GaAs		InP
	MMIC	Fabrication Process	MMIC	Fabrication Process
Asbestos	0 ppm	0 ppm	0 ppm	0 ppm
Azo Dye	0 ppm	0 ppm	0 ppm	0 ppm
Cadmium and Cadmium Compounds	0 ppm	0 ppm	0 ppm	0 ppm
Chlorofluorcarbons(CFCs)/ Hydrochlorofluorocarbons(HCFC)	0 ppm	0 ppm	0 ppm	0 ppm
Ethylene Glycol Monomethyl Ether and its acetate	0 ppm	0 ppm	0 ppm	0 ppm
Ethylene Glycol Monoethyl Ether and its acetate	0 ppm	0 ppm	0 ppm	0 ppm
Halogenated dioxins and furans	0 ppm	0 ppm	0 ppm	0 ppm
Hexavalent Chromium and Hexavalent Chromium Compounds	0 ppm	0 ppm	0 ppm	144,000 ppm
Lead and Lead Compounds	0 ppm	0 ppm	0 ppm	0 ppm
Soldering with Lead	0 ppm	0 ppm	0 ppm	0 ppm
Mercury and Mercury Compounds	0 ppm	0 ppm	0 ppm	0 ppm
Short Chain Chlorinated Paraffins (C10-13, CI>50%)	0 ppm	0 ppm	0 ppm	0 ppm
Polybrominated Biphenyls(PBBs)/ Polybrominated Biphenyls Ethers(PBDEs)	0 ppm	0 ppm	0 ppm	0 ppm
Polychlorinated Biphenyls(PCBs)	0 ppm	0 ppm	0 ppm	0 ppm
Polychloroterphenyls and directives (PCTs)	0 ppm	0 ppm	0 ppm	0 ppm
Radioactive Materials	0 ppm	0 ppm	0 ppm	0 ppm
Tributyl tin (TBT) and Triphenyl tin (TPT) compounds	0 ppm	0 ppm	0 ppm	0 ppm

*Northrop Grumman reserves the right to update this list from time to time as products and services are changed or upgraded.

Last Updated 4/27/2005