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Transportation of Hazardous Chemicals. Assoc. Prof. Dr. Chalermchai Chaikittiporn, Faculty of Public Health, Mahidol University, Thailand Conference on Chemical (Industrial) Disaster Management, Pipelines,Storages &Medical Preparedness Feb.11-13,2009 New,Delhi. Topics of Presentation.

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transportation of hazardous chemicals

Transportation of Hazardous Chemicals

Assoc. Prof. Dr. Chalermchai Chaikittiporn,

Faculty of Public Health, Mahidol University, Thailand

Conference on Chemical (Industrial) Disaster Management, Pipelines,Storages &Medical Preparedness

Feb.11-13,2009 New,Delhi

topics of presentation
Topics of Presentation
  • An Overview of International Regulations concerning Transport of Dangerous Goods
  • Adaptation/Trend of Thai Regulations and ASEAN Agreement concerning Transport of Dangerous Goods
definition of dangerous goods
Definition of Dangerous Goods

When transporting Hazardous Chemicalswhich are classified to be “Dangerous for transport”into one of the total 9 classes based on the UN Classification Criteria,

these Hazardous Chemicals are called “Dangerous Goods”.

  • Dangerous Goodsare Substances and Cargo, which, based on their
    • nature,
    • properties, and behavior as well as
    • conditions,
  • may cause, during the transport, a Hazardin particular to
    • the public safety ,
    • the health of the people,
    • the damages and loss of the infrastructure and equipment, also
    • the negative effects and contamination to the environment

International Regulations

for Dangerous Goods Transport System

  • Multi-modal Transport: UN Recommendations on the Transport of Dangerous Goods: a so-called “UN Model Regulations” or “Orange Book”
  • Road: The Restructured ADR of UNECE in Geneva,
  • Rail: The Restructured RID of OTIF in Bern,
  • Inland Waterways: The Restructured ADN of UNECE in Geneva,
  • Sea: IMDG Code of IMO in London,
  • Air: IATA-DGR ofICAO-TI of ICAO Montreal

System of Linkage


Past Dangerous Goods Incidents in Thailand

Substance involved:

Explosive Substances

Substance involved:

Explosive Substances

Substance involved:

Liquefied Petroleum Gas (LPG)

54 Deathwith97 injury

171 Deathwith99 injury

Incident Place: Phang-Nga Province

Date: 15 Feb 1991

Time:around 15:00hrs.

Incident Place: Petchburi Road, Bangkok

Date: 24 Sep 1990

Time:around 22:00 hrs.

Incident Place: Express Way, Bangkok

Date: 4 Sep 2001

Time:around 05:00hrs.

Cause: Careless driving, low public awareness of consequence of explosive substances

Cause: Careless driving and low standard of tank equipment

Cause: Careless driving and misleading of emergency clean-up

international regulations for dangerous goods transport system adopted to thai provisions

Thai Provisions Vol. 2

Thai Provisions Vol. 2

Thai Provisions Vol. 3

International Regulations for Dangerous Goods Transport System adopted to Thai Provisions
thai provisions volume 1 tp1

Adaptation/Trend of Thai Regulations concerning Transport of Dangerous Goods

Thai Provisions Volume 1 (TP1)

Thai Provisions Volume 2 (TP2)



Based on the “ADR”, TP-II was approved by the cabinet on Dec 28, 2004 to be used as a framework regulations for transport of dangerous goods applicable to road transport

Based on the “Orange Book”, TP-I was approved by the cabinet on May 23, 2000 to be used as a framework regulations for transport of dangerous goods applicable to all modes of transport

Hazmat 1 Training Handbook

key contents of dangerous goods regulations
Key contents of Dangerous Goods Regulations

TP2 & 3 = TP1 +

UN Rec. or TP1

Modal Requirements

Definition of classes/divisions

Danger specific to one mode

Classification of Dangerous Goods

Test methods and criteria

Name and UN Number


List of Dangerous Goods most commonly carried

Main hazard and subsidiary risk

  • Transport conditions
  • Labeling
  • Assignment of packing group
  • Packing methods
  • Special provisions
  • Multi-modal tank transport

Types of packaging allowed and quantity limitations

UN Recommendations on the Transport of Dangerous Goods

Types of tanks allowed

  • Packing
  • Packaging
  • Intermediate Bulk containers
  • Multi-modal Tank Containers

Construction requirements


Certification and approval

Specific marks


Specific Labeling


Consignment Procedures

Specific items of information

Transport documentation

Exemption quantities

Special exemption

key responsibilities

Dangerous Goods Safety Advisers - DGSA

(Chapter 1.8.3)

Consignee (

Consignor (



Packers (





Loaders (



Parties involved in the chain of transport of dangerous goods:

  • Consignor
  • Packer

Key Responsibilities

  • Loader
  • Carrier
  • Consignee

Safety obligations of the participants of the transportation process

After transport

During transport

Prior to transport

  • Consignee(
  • Carrier (
  • Driver (Chapter8.2)
  • Consignor (
  • Loader (
  • Packer/Filler (
  • Tank-container / portable tank operator(
  • Take appropriate measures to reduce or minimize the risk from transport
  • Receive training in the requirements governing the carriage of such goods appropriate to their responsibilities and duties (Chapter 1.3)

Case Study of good practice – Gate Checks (Germany)with support of German Technical Cooperation (GTZ) and Industrial Park Hoechst

gate check
Gate Check


Process of the checking of vehicles carrying dangerous goods

  • Check Order Number of Dangerous Goods
  • Check Transport Number of Dangerous Goods
  • Identified Card/Passport of Driver
  • Driver’s training certificate
  • Driving License
  • ADR Certificate
  • Weighting of vehicles
  • Check before exit – joints & couplings, all documentation


Risk Management Project

Project Management Board (PMB)


inspection of vehicle
Inspection of Vehicle
  • Orange Plate
  • Tires Depth (1.6 cm.)
  • Tank Code
inspection of equipments
Inspection of Equipments
  • Pocket Lamp (Explosion Proof)
  • Fire Extinguisher
  • Goggles
  • Gloves
  • Eyes-Wash Bottle with Clean Water
  • Scotch or wheel-chock
  • 2 reflective triangles
thai german cooperation on chemicals risk management a successful and sustainable showcase
Thai-German Cooperation on Chemicals Risk Management –a successful and sustainable showcase











Severe accidents on transport of hazardous materials in Thailand; LPG tank truck overturned in Bangkok and a trailer with explosive overturned in Phang-Nga

Thai Provisions vol. 1 (TP1) developed and approved by cabinet

Guideline for safe storage developed

1st TG project relating Chemicals Risk Management at NESDB on Disaster Management for Transportation of Hazardous Materials

Oil Depot inferno in Chonburi & Potassium Chlorate explosion in Chiang Mai

Exit Strategy of CRMP & Chemical Safety Management Guideline developed and trained to IPO / IEO nation-wide

Possible tri-lateral cooperation with German government and neighboring countries….

Thai Provisions vol. 2 (TP2) developed and approved by cabinet


Chemicals Risk Management Project (CRMP) in BP Area

Capacity development of Thai officials in collaboration with private sector or PPP-like Clariant, (Bayer, BASF, Merck, Infraserv Logistics, DEKRA Umwelt) for a series of training in Germany

Guideline for safe storage adopted to national regulation by DIW

UNEP implemented project on Responsible Production (RP): APELL / SP / CSR in BP area

thailand history roadmap on development of regulations relating to chemicals
Thailand History & Roadmap on Development of Regulations relating to Chemicals


Implementation of UN Globally Harmonized System ofClassification & Labelling of Chemicals (GHS)

The 3 rd National Strategic Planon Chemicals Management


  • HazSub notification into force (Challenge: not ready by private sector / neither inspection & testing bodies as well as certification in Th.)



  • Hazardous Substance Committee issued a notification on fixed-tank with 3 years grace period
  • ASEAN Protocol 9 signed by MoT’s Dep. Minister
  • Notification of Hazardous Substance Committee : Land

Transportation of Hazardous Substances


TP-2 approved by cabinet (submitted by MoT) ordering HazSub Committee to be a focal point for implementation


The 2nd NMP for Chemical Management

A truck had an accident on an express way in

Bangkok releasing acrylonitrile onto the road

and drainage.


  • TP-1 approved by cabinet submitted by NESDB
  • DoLT issued a Notification of Driving License Class IV (Challenge: not in line with TP-2/ADR) and Labeling & Placarding of transport units based on TP-1/UN Rec.
  • MoI’s Ministerial Notification No.3 (1999) concerning preventive measures for factories falling under 12 categories having high risks to prepare risk assessment report to determine appropriate preventive measures from realized hazards in November 1999.
  • The explosion of potassium chlorate at a longan-drying factory in ChiangMai province in September 1999.


The 1st NMP for Chemical Management



Convention concerning the Prevention of Major Industrial Accidents (ILO -174 )

An explosive trailer overturned at Thungmaprao in Phang-nga, 171 fatality and 99 injury


  • Hazardous Substance Act,1992( B.E. 2535) into force (Challenge: not directly relevant to transport of dangerous

goods but focusing import, export and having in possession)

  • Basel Convention on the Control of Trans boundary Movements of Hazardous waste and their Disposal



  • An LPG Tanker overturned at Petchburi Rd.. 54 fatality and 97 injury
  • Convention concerning Safety in the Use of Chemicals at Work (ILO-170)