Hazardous Materials Endorsement Renewal Manual - PUB 288 (4-23) - Overview and Procedures

Sep 29, 2026

Hazardous Materials Endorsement Renewal Manual for Pennsylvania CDL holders covers the legal framework and practical responsibilities for hauling hazardous materials (H) or Hazardous materials/Tank (X) endorsements. It explains the intent of the regulations, how to communicate risk through required terminology and markings, and how to ensure safe drivers and equipment. Guidance includes loading and unloading expectations, communication and shipping documentation rules, driving and parking requirements, and emergency response actions and notifications.

LanguageEnglish

CategoryExam

FormatPDF

Pages51

Reading Time2 h 9 min

AccessFree to download

Overview and Procedures

Intent of the Regulations

Hazardous Materials Transportation Who Does What

Shipper

Carrier

Driver

Communication Rules

Definitions

Package Labels

Shipping Paper

Shipper’s Certification

Package Markings and Labels

Loading and Unloading

General Loading Requirements

Precautions for Specific Hazards

Hazardous Materials Driving and Parking Rules

Route Restrictions

No Smoking

No Flares

Hazardous Materials - Emergencies

Emergency Response Guidebook (ERG)

Required Notification

Hazardous Materials Glossary

Placard Substitution Guide

’ pennsylvania commercial driver s license Hazardous Materials Endorsement Renewal Manual This manual is ONLY for persons who have a valid Pennsylvania CDL with a Hazardous materials (H) endorsement or a Hazardous materials/Tank (X) endorsement PUB 288 (4-23) TABLE OF CONTENTS OVERVIEW AND PROCEDURES.............................. 2 INTENT OF THE REGULATIONS ............................. 5 Contain the Material ........................................ 5 Communicate the Risk ...................................... 5 Assure Safe Drivers and Equipment ........................... 5 HAZARDOUS MATERIALS TRANSPORTATION WHO DOES WHAT .......................................... 6 Shipper................................................... 6 Carrier ................................................... 6 Driver .................................................... 6 COMMUNICATION RULES ................................... 7 Definitions ................................................ 7 Package Labels ............................................ 8 Lists of Regulated Products ................................. 9 List of Hazardous Substances and Reportable Quantities ........ 11 Shipping Paper ........................................... 13 Item Description .......................................... 13 Shipper’s Certification ..................................... 15 Package Markings and Labels ............................... 16 Recognizing Hazardous Materials............................ 16 Hazardous Waste Manifest .................................. 16 Placarding ............................................... 17 Placard Tables ............................................ 17 LOADING AND UNLOADING ................................ 20 General Loading Requirements` ............................. 20 Precautions for Specific Hazards ............................ 21 BULK PACKAGING MARKING, LOADING AND UNLOADING .. 24 Markings ................................................ 25 Tank Loading ............................................. 25 Flammable Liquids ........................................ 25 Compressed Gas ......................................... 26 HAZARDOUS MATERIALS DRIVING AND PARKING RULES ... 26 Parking with Division 1.1, 1.2 or 1.3 (Class A or B) Explosives .... 26 Parking A Placarded Vehicle Not Transporting Division 1.1, 1.2, or 1.3 (Class A or B) Explosives ........................ 27 Attending Parked Vehicles .................................. 27 No Flares ................................................ 27 Route Restrictions ........................................ 27 No Smoking .............................................. 28 Refuel With Engine Off ..................................... 28 10 B:C Fire Extinguisher ................................... 28 Check Tires .............................................. 29 Where to Keep Shipping Papers and Emergency Response Information ..................................... 29 Papers for Division 1.1, 1.2 or 1.3 (Class A or B) Explosives ...... 29 Equipment for Chlorine .................................... 30 Stop Before Railroad Crossings ............................. 30 HAZARDOUS MATERIALS-EMERGENCIES ................. 30 Emergency Response Guidebook (ERG) ...................... 30 Accidents/Incidents ....................................... 31 Fires .................................................... 31 Responses to Specific Hazards.............................. 32 Required Notification ...................................... 34 National Response Center .................................. 34 CHEMTREC .............................................. 35 Radioactive Separation Table................................ 36 Table of Hazard Class Definitions ............................ 36 HAZARDOUS MATERIALS GLOSSARY ...................... 37 Section 171.8 Definitions and Abbreviati

FAQs

Who is this manual intended for?

It is designed for persons who have a valid Pennsylvania CDL with a Hazmat (H) endorsement or a Hazmat/Tank (X) endorsement.

What do the Hazardous Materials Regulations (HMR) cover and where are they found?

The manual explains that HMRs are located in parts 171-180 of title 49 of the Code of Federal Regulations, commonly cited as 49 CFR 171-180.

What placard and warning signs are required for certain hazardous materials?

It states that vehicles transporting certain types or quantities must display diamond-shaped, square-on-point warning signs called placards.

Sep 29, 2026

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