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Texas CDL Hazmat Cheat Sheet

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Shipping Papers & Communication

  • Not published of exam
  • Basic Description Order Emergency Response Info Shipper Certification Paper Retention

Placards & Markings

  • Not published of exam
  • Table 1 vs Table 2 1,001-lb Rule 4 Identical Placards Package Labels

Hazard Classes 1-9

  • Not published of exam
  • Nine Classes Packing Groups ORM-D Divisions

Loading, Unloading & Segregation

  • Not published of exam
  • No Smoking Segregation Table Cargo Tank Attendance Bracing & Securing

Emergency Response

  • Not published of exam
  • ERG CHEMTREC National Response Center Notification Triggers

Security, Routing & Parking

  • Not published of exam
  • TSA Threat Assessment Safe Haven 300-Foot Rule Railroad Stop

Quick Facts

  • Exam TX CDL Hazmat (H)
  • Credential Hazardous Materials Endorsement
  • Questions 30
  • Pass score 80% (24/30)
  • Time limit Not published
  • Format Multiple-choice, DPS office
  • Level CDL endorsement
  • Handbook Section 9, DL-7C (Jul 2017)

Basic Description Order SH

  • ID, Name, Class, Group — in that order
  • ID number first Shipping name second Hazard class third Packing group last

Basic Shipping Description SH

  • ID number First item listed
  • Proper shipping name Second, from Column 2
  • Hazard class/division Third in the order
  • Packing group Last, Roman numeral
  • Total quantity Before or after description
  • RQ Marks reportable quantity

Shipping Paper Handling SH

  • Hazmat entry Listed first or highlighted
  • HM column X marks hazmat row
  • Paper location Driver's door pouch or seat
  • Shipper retention 2 years (3 for waste)
  • Carrier retention 1 year, non-originating carrier
  • Waste manifest Signed by hand, dated

Table 1 vs Table 2 PL

Table 1

  • Any amount triggers placard
  • Explosives, poison gas, radioactive

Table 2

  • 1,001 lbs aggregate triggers placard
  • Flammable, corrosive, oxidizer classes
  • Always vs weight threshold

Which Placard Table Applies PL

  • Class 1.1/1.2/1.3 explosives → Table 1, any amount ( Always placard )
  • 2.3 poison or 4.3 wet → Table 1, any amount
  • 6.1 inhalation zone A/B → Table 1, any amount
  • Class 3/8/9 <1,001 lbs → No placard required ( Non-bulk only )
  • Table 2 class, 1,001+ lbs → Placard required
  • Two+ Table 2 classes, 1,001 lbs → DANGEROUS placard allowed ( Unless one hits 2,205 lbs )
  • Bulk packaging, any residue → Placard all 4 sides

Placard Table 1 (Any Amount) PL

  • 1.1 Mass explosion Explosives 1.1 placard
  • 1.2 Projection hazard Explosives 1.2 placard
  • 2.3 Poison gas Poison Gas placard
  • 4.3 Dangerous when wet Dangerous When Wet placard
  • 6.1 Inhalation zone A/B Poison Inhalation placard
  • 7 Radioactive Yellow III Radioactive placard

Placarding Rules & Thresholds PL

  • Table 2 threshold 1,001 lbs aggregate
  • DANGEROUS placard cap Max 2,205 lbs per class
  • Placard count Minimum 4 identical placards
  • Placard size 250mm, 9.84 inches square
  • Bulk packaging Placard even if residue only
  • Inhalation hazard No 1,000-lb exception
  • Placard spacing 3 inches from other markings

Nine Hazard Classes HA

  • Explosive, Gas, Flammable, Solid, Oxidizer, Poison, Radioactive, Corrosive, Misc
  • 1 Explosives 2 Gases 3 Flammable liquid 9 Miscellaneous

Bulk vs Non-Bulk Packaging HA

Bulk packaging

  • Over 119 gal liquid
  • Over 882 lb solid

Non-bulk packaging

  • 119 gal or less
  • 882 lb or less
  • Capacity threshold split

Hazard Classes 1-9 HA

  • Class 1 Explosives (dynamite, fireworks)
  • Class 2 Gases (propane, helium)
  • Class 3 Flammable liquids (gasoline)
  • Class 4 Flammable solids (matches)
  • Class 5 Oxidizers (ammonium nitrate)
  • Class 6 Poisons (pesticides, arsenic)
  • Class 7 Radioactive (uranium, plutonium)
  • Class 8 Corrosives (battery fluid)
  • Class 9 Misc hazardous (asbestos)

Divisions & Special Terms HA

  • ORM-D Other Regulated Material-Domestic
  • Combustible liquid No hazard class number
  • Division 1.4-1.6 Minor or insensitive explosion hazards
  • Division 2.1/2.2/2.3 Flammable, non-flammable, or poison gas
  • Division 4.1/4.2/4.3 Solid, spontaneous, or wet-reactive
  • Division 5.1/5.2 Oxidizer or organic peroxide

Cargo Tank vs Portable Tank LO

Cargo tank

  • Permanently attached
  • Loaded on vehicle

Portable tank

  • Not permanently attached
  • Loaded off vehicle
  • Attached vs detachable

Loading Precaution By Class LO

  • Loading Class 1 explosives → Engine off, disable heaters
  • Loading flammable liquids (Class 3) → Engine off, ground tank
  • Loading Class 4/5 materials → Keep dry, ventilated space
  • Loading Class 8 corrosives → Upright, one at a time
  • Loading Class 7 radioactive → Check transport index limit
  • Compressed gas cylinders, no racks → Held upright, flat floor

Loading Rules LO

  • No-smoking classes Class 1, 2.1, 3, 4, 5
  • Cargo heater ban Class 1, 2.1, 3
  • Closed cargo space Class 1, 4, 5
  • Class 7 transport index Total limit 50 per vehicle
  • Nitric acid Never load above other product
  • Leaking package Never transport, illegal to move

Segregation & Tank Rules LO

  • Segregation table Keeps incompatible classes apart
  • Poison + foodstuff Never load together
  • Attendant distance Within 25 feet of tank
  • Manhole/valve Close before moving tank
  • Engine rule Off unless running pump
  • Bulk tank capacity Over 119 gallons

Two Calls in an Emergency EM

  • NRC reports it, CHEMTREC explains it
  • NRC: (800) 424-8802 CHEMTREC: (800) 424-9300

National Response Center vs CHEMTREC EM

National Response Center

  • Mandatory federal reporting
  • (800) 424-8802

CHEMTREC

  • Technical chemical guidance
  • (800) 424-9300
  • Report vs technical help

Emergency Response Action EM

  • Death, injury, or major damage → Call National Response Center
  • Need chemical technical info → Call CHEMTREC
  • Trailer doors feel hot → Do not open, call help
  • Material leaking from vehicle → Park, secure, stay, call
  • Approaching a spill by smell → Never identify by smell

Emergency Response Info EM

  • ERG Indexed by ID, shipping name
  • ERG minimum content Hazards, fire risk, first aid
  • National Response Center (800) 424-8802
  • CHEMTREC (800) 424-9300
  • Notification trigger Death, injury, or $50,000+ damage
  • Report deadline Written report within 30 days

300-Foot No-Park Zone SE

  • Never park near bridge, tunnel, crowd, or open fire
  • 300 feet minimum Explosives: 5 ft from road too

H Endorsement vs X Endorsement SE

H endorsement

  • Hazmat only
  • Any vehicle class

X endorsement

  • Tank + hazmat combined
  • Requires both knowledge tests
  • Hazmat alone vs tank+hazmat

Parking a Placarded Vehicle SE

  • Carrying 1.1/1.2/1.3 explosives → Never park within 5 ft
  • Carrying 1.1/1.2/1.3 explosives → No parking within 300 ft
  • Explosives load, must stop → Someone must attend vehicle
  • Parked on shipper/carrier property → Attendant not required
  • No safe spot nearby → Use approved safe haven

Parking & Driving Rules SE

  • Explosives parking Never within 5 ft of road
  • 300-ft rule No bridge, tunnel, crowd, or fire
  • Attendant position In cab or within 100 ft
  • Safe haven Approved unattended explosives parking
  • Fire extinguisher 10 B:C rating minimum
  • Railroad stop 15-50 feet before nearest rail

Attending vs Safe Haven SE

Attending vehicle

  • Within 100 ft, awake
  • Able to move vehicle

Safe haven

  • Approved unattended location
  • For explosives loads only
  • Watch it vs leave it

Security & Texas HME Context SE

  • TSA threat assessment Required before HME issuance
  • USA PATRIOT Act Mandates hazmat background check
  • Fingerprinting Vendor appointment after DPS application
  • First-time H ELDT required before test
  • HME validity 5 years, tied to CDL
  • X endorsement Tank + hazmat combined

Common Traps

Table 1 ≠ Table 2

  • Table 1: any amount ≠ Table 2: 1,001 lbs

H Endorsement ≠ X Endorsement

  • H: hazmat only ≠ X: tank + hazmat

Cargo Tank ≠ Portable Tank

  • Cargo tank: permanent ≠ Portable tank: detachable

NRC ≠ CHEMTREC

  • NRC: mandatory report ≠ CHEMTREC: technical help

Bulk ≠ Non-Bulk

  • Bulk: over 119 gal ≠ Non-bulk: 119 gal or less

ORM-D ≠ Hazard Class

  • ORM-D: no class number ≠ Domestic shipment only

DANGEROUS Placard ≠ Mandatory

  • Optional substitute placard ≠ Never required by rule

Last Minute

  • 1. 30 questions, 80% to pass
  • 2. Order: ID, name, class, group
  • 3. Table 1: any amount placards
  • 4. Table 2: 1,001 lbs triggers placard
  • 5. Nine hazard classes, memorize examples
  • 6. No smoking near explosive/flammable classes
  • 7. Never park within 5 ft, explosives
  • 8. 300 ft (explosives): bridges, tunnels, fire
  • 9. TSA threat assessment required for HME
  • 10. First-time H needs ELDT first
  • 11. Stop 15-50 ft before rail crossings
  • 12. Attendant must stay within 100 ft

Texas CDL Hazardous Materials Endorsement Test

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