Suit says Guardsman , contractors exposed to cancer-causing chemical at Iraq plant . Suit alleges KBR knew of contamination threat and did nothing to protect soldiers . A spokeswoman for KBR said the company was still reviewing the lawsuit , but denied responsibility for creating unsafe conditions at the plant . Comment: KBR says it 's not to blame for creating unsafe conditions at plant .
Suit says Guardsman , contractors exposed to cancer-causing chemical at Iraq plant . Suit alleges KBR knew of contamination threat and did nothing to protect soldiers . Comment: KBR says it 's not to blame for creating unsafe conditions at plant .