nfpa diamond 704 3-0-2 acid sign, , isolate on white background label. eps10

302 704 acid alkaline ammonia blue caesium calcium hypochlorite carbon monoxide chemical code diamond diesel emergency fire flammability fuel gas gasoline ghs hazard hazmat health hydrogen peroxide label liquid material national osha paper potassium propane propene protection red safety sds sign sodium bromate special specifications standard sulfur symbol table white wood yellow