Rail Hazmat Emergency Response Phone: CHEMTREC, 3E, INFOTRAC and the §172.604 Rules (2026)

Every hazmat rail shipper needs a §172.604-compliant emergency response phone number on every BoL. Four commercial providers dominate the US market, each with different pricing, account-management practices, and target customer profiles. Self-provided is legal but operationally hard. Here's the comparison every shipper should run before signing the first hazmat BoL.

The §172.604 Verbatim Requirement

Source: 49 CFR §172.604. Subsection (a), verbatim:

"A person who offers a hazardous material for transportation must provide a numeric emergency response telephone number, including the area code, for use in an emergency involving the hazardous material. The telephone number must be monitored at all times the hazardous material is in transportation, including storage incidental to transportation."

The number must connect to a person who is either (i) knowledgeable of the hazmat being shipped and has comprehensive emergency response and incident mitigation info, or (ii) has immediate access to such a person. Subsection (a)(3) verbatim:

"A telephone number that requires a call back (such as an answering service, answering machine, or beeper device) does not meet the requirements of this section."

So: a live person, 24/7, with the knowledge or direct access to handle the incident. No answering services, no answering machines, no beepers, no callback lines.

Why a Contract Is Mandatory

The §172.604 regulation requires the listed number to be monitored. Commercial providers (CHEMTREC, 3E, INFOTRAC, ChemTel) implement that monitoring through account-based contracts. If you list a provider's number on your BoL without a contract:

1. The provider's call center won't have your shipment information on file.
2. When emergency responders call about an incident, the provider can't access the safety data sheet, the chemical profile, or the emergency procedures specific to your cargo.
3. The provider may decline to handle the incident at all, refer the caller elsewhere, or escalate to a generic emergency line.
4. You're listed as the "shipper offering hazmat for transportation" with a phone number that isn't actually monitored on your behalf — PHMSA treats this as a §172.604 violation.

The penalty range from 49 CFR 107.329 Appendix A (2025 inflation-adjusted): up to $99,756 per violation per day; $238,809 if the violation results in death, serious illness, severe injury, or substantial property destruction. Each car on a multi-car move is a separate violation.

Provider Comparison Table

Provider	Phone	Approx Annual Pricing (Small Shipper)	Account # Format
CHEMTREC	1-800-424-9300	$1,200-2,500 + per-incident	CCN (CHEMTREC Customer Number)
3E (Verisk 3E)	varies by account	$1,500-3,500	3E Account Number
INFOTRAC	varies by account	$800-1,500 (often cheapest)	INFOTRAC Account ID
ChemTel	varies by account	varies	ChemTel Account ID
Self-provided	shipper-owned	EHS staffing cost	N/A

CHEMTREC: 1-800-424-9300

Operated by the American Chemistry Council (ACC). The industry-standard since 1971. Largest market share. Annual fees scale with revenue, hazmat volume, and number of SDSs registered. Small shippers typically land in the $1,200-2,500/yr range. Per-incident charges apply when CHEMTREC handles an actual emergency response.

Strengths: brand recognition (emergency responders know the number immediately), extensive SDS library, multilingual support, integrated with ACC's broader safety programs.

Trade-offs: higher base fees than INFOTRAC, slower account setup compared to leaner competitors.

3E (Verisk 3E)

Part of Verisk Analytics. Targets large industrial and chemical manufacturers. Same §172.604 service tier as CHEMTREC, often with deeper SDS authoring and regulatory compliance bundling. Annual fees $1,500-3,500 for small-shipper tier; enterprise pricing scales further.

Strengths: integrated SDS authoring, regulatory monitoring, compliance dashboards. Useful for shippers with high SKU complexity and global regulatory exposure.

Trade-offs: higher cost, more enterprise-oriented sales cycle.

INFOTRAC

Often the lowest-cost option for small hazmat shippers. Annual fees $800-1,500 in many small-shipper configurations. Same §172.604-compliant 24/7 live-answer service.

Strengths: lower price, simpler account setup, common with small-to-mid hazmat shippers.

Trade-offs: smaller brand recognition with emergency responders (though responders ultimately work the phone number they're given, not the brand).

ChemTel

Smaller commercial player. Legitimate §172.604 service. Pricing varies. Less common than the three above but used by some niche shippers.

Self-Provided: When It Actually Works

§172.604(a) permits the shipper to designate its own 24/7 monitored phone number. The catch is the live-person + knowledge rule. Self-provided is only practical for shippers with:

• An internal EHS (Environment, Health, Safety) on-call rotation with 24/7 coverage
• Staff who know the specific commodity profiles, packaging, and emergency procedures
• A communication infrastructure that doesn't route to voicemail, IVR menus, or callback queues
• Backup coverage during PTO, leave, after-hours, and during the inevitable on-call defection

For most small and mid-size shippers, the math of contracting CHEMTREC or INFOTRAC at $800-2,500/yr beats hiring and training a 24/7 rotation. Self-provided makes sense for large chemical manufacturers with existing EHS departments, hazmat response specialists, and the headcount to maintain the rotation.

If you self-provide, the §172.604(a)(3) callback prohibition is the single most-cited violation. Any voicemail menu, hold queue, or "we'll call you back" routing fails the rule.

BoL Display Rules

Per §172.604(b), the emergency phone must be displayed either:

• Immediately after each hazmat shipping description on the BoL, OR
• Prominently displayed once on the BoL — larger font, highlighted, different color, or otherwise marked for quick and easy recognition

The free Rail BoL Builder renders the emergency phone in 14pt bold red on the generated PDF to satisfy the prominent-display rule. The contract number / account ID is rendered next to the phone for the provider's account lookup.

Using the BoL Builder for Hazmat Phone

The BoL Builder's hazmat mode includes:

• Provider dropdown (CHEMTREC, 3E, INFOTRAC, ChemTel, Self-provided, Other)
• Pre-fill of CHEMTREC's 1-800-424-9300 when CHEMTREC selected
• Required account/contract number field with provider-specific label
• Self-provided warning panel reminding you of the live-answer + no-callback rule
• Submission blocking if hazmat lines exist without a valid emergency phone
• PDF rendering in 14pt bold red

For shippers running hazmat across multiple BoLs per week, this validation is the difference between operational compliance and a six-figure PHMSA penalty exposure. Open the BoL Builder →

Related reading: our hazmat rail BoL compliance guide covers §172.204 certification and §172.704 training; the hazmat employee training guide walks through who counts as a hazmat employee.

Frequently Asked Questions

Do I need a contract to list CHEMTREC on a hazmat BoL?

Yes. Listing CHEMTREC (or any commercial emergency response provider) without an active contract is a federal violation under 49 CFR §172.604, with penalties up to $99,756 per violation per day. The provider won't accept the emergency call if your account isn't on file; PHMSA enforcement treats the listing as fraudulent. The contract reference (CHEMTREC CCN, 3E Account Number, INFOTRAC Account ID) must appear on the BoL.

What does §172.604 require for emergency response phone numbers?

The shipper must provide a numeric emergency response telephone number, monitored 24/7 by a live person knowledgeable of the hazmat (or with immediate access to such a person). Answering services, answering machines, beepers, and callback lines are explicitly prohibited per §172.604(a)(3). The number must appear immediately after each hazmat shipping description on the BoL or be prominently displayed once with quick-recognition formatting.

What's the cheapest §172.604-compliant emergency response provider?

INFOTRAC is generally the lowest-cost commercial option for small hazmat shippers, often in the $800-1,500/yr range. CHEMTREC runs $1,200-2,500/yr at small-shipper tier. 3E (Verisk) targets larger industrial accounts at $1,500-3,500/yr. ChemTel is a smaller player with variable pricing. Self-provided is $0 in fees but requires a 24/7 internal EHS on-call rotation that meets the live-answer rule.

Can I be my own emergency response provider for hazmat shipments?

Yes, §172.604(a) permits self-provided emergency response numbers. The catch is operational: you need a 24/7 live-answered phone manned by a person knowledgeable of the specific commodity being shipped (or with immediate access to such a person). Answering machines, IVR menus, and callback lines are prohibited. Only practical for shippers with internal EHS departments that already maintain 24/7 on-call rotations.

What account number do I need to put on a hazmat BoL when listing CHEMTREC?

The CHEMTREC Customer Number (CCN). When you contract with CHEMTREC, you receive a CCN that uniquely identifies your account. The CCN appears on the BoL next to the 1-800-424-9300 number so that when emergency responders call, CHEMTREC can immediately look up your shipment profile. Listing the phone without the CCN means CHEMTREC can't tie the incident to your account.

How does the Steel Wheel BoL Builder handle the hazmat emergency phone field?

When the HM indicator is checked on any commodity line, the BoL Builder renders an emergency phone block with a provider dropdown (CHEMTREC, 3E, INFOTRAC, ChemTel, Self-provided, Other). Selecting CHEMTREC pre-fills 1-800-424-9300; the contract/account number field is required with provider-specific labeling. Submission is blocked if the field is empty. The PDF renders the phone in 14pt bold red per the §172.604(b) prominent-display rule.