Brady® chemical signs are used to identify your plant's chemical storage and hazardous materials areas. These signs keep your employees safe by clearly indicating where and how chemicals are kept. Brady® offers more than 175 stock legends to help you comply with OSHA standards. Chemical signs and hazardous material signs are available in a variety of sizes and materials. Brady® Chemical and Hazardous Material Sign, Laminated Rectangle, Header: WARNING, Language: English, Symbol Legend, Legend: EXPLOSION RELIEF VENT YOU MAY BE INJURED BY A FIREBALL, FLYING DEBRIS OR LOUD NOISE STAY CLEAR (W/Explosive Symbol), B-401 Polystyrene, 9 in Height, 12 in Width, Black on Orange Legend/Background