Suit says Guardsman , contractors exposed to cancer - causing chemical at Iraq plant . Suit alleges KBR knew of the contamination and did nothing to protect soldiers . Some Guardsmen suffer from nasal tumors , respiratory problems . The odorless sodium dichromate was used at the plant as an anti-corrosive , the lawsuit says . Suit says it 's not to blame for the unsafe environment at plant .
Suit says Guardsman , contractors exposed to cancer - causing chemical at Iraq plant . Suit alleges KBR knew of the contamination and did nothing to protect soldiers . Some Guardsmen suffer from nasal tumors , respiratory problems . Suit says it 's not to blame for the unsafe environment at plant .