Order a Scentinel E NFPA 704 hazard diamond for odorant storage tanks, equipment and facility identification. Large contrasting numbers identify the hazards relevant to emergency responders.
Scentinel E NFPA ratings
Health: 2 — blue, left.
Flammability: 3 — red, top.
Instability: 0 — yellow, right.
Special hazards: white section left blank.
Ratings are listed in Section 16 of the Chevron Phillips Chemical Scentinel E SDS, revision October 16, 2025, version 3.0. View source SDS.
Sizes and placement
Choose 2 × 2, 4 × 4 or 9 × 9 inches. Dimensions are measured tip to tip across the upright diamond. Select a size visible at the intended viewing distance and appropriate for the location. Match the rating to the SDS supplied with your material.
NFPA diamonds communicate emergency-response hazards. Use the appropriate GHS labels for workplace chemical identification and DOT labels for transport.
Need a complete odorant-station label kit?
Tell us your odorant, container size and site needs using the Burgess Pipeline contact form. We can help coordinate GHS labels, DOT markings and NFPA identification for your odorization equipment.