The content of this site has been prepared by the members of the thematic network "S2S - A Gateway for Plant and Process safety". Since the conditions of use are beyond our control we disclaim any liability, including patent infringement, incurred in connection with the use of these products, data or suggestions.

The thematic network S2S is a European Community Project carried out in the "Competitive and Sustainable Growth" programme and funded in part by contract number G1RT-CT-2002-05092.

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3 entries found!

A primary consistency test for saturated liquid and vapour property data for use in the integral multiphysics modelling of chemical reactor venting

On the applicability of laboratory heterogeneous liquid-liquid phase reaction kinetic data for technical scale relief vent sizing

Safety data

51 entries found!

Activity 3

Activity 4

Application of Safety Measures

ATEX Directives - 11. Suggested format: Explosion Protection Document

Basic Reactor Assessment Model

Building 2

Case study 1: Crystallization Kettle - Questions

Case study 2: Charge Hopper of a Paddle Drier - Incident description

Continuously Stirred Tank Reactor (CSTR)

Desk screening - Public Literature

Desktop methods - CHETAH

Desktop methods - reactive groups

FTA example

Fuel 2

Hazardous substances and processes

Hazards to assess



LOPA - Layer of Protection analysis (first draft)

LOPA Introduction

Management of Change




Safety measures

Scenario selection

Screening Methods

Screening Tests: atmosphere inside the crucible

Screening Tests: scanning rate

Screening Tests: type of crucibles

Semi-Batch Reactor (SBR)


STEP 1: Identify the consequence

STEP 4: Initiating Event Frequency

Stoessel Diagram


Tests - Steel Cartridge Test

Thermal unstable substances

Resources / Downloads

12 entries found!

AIChE Safety and Chemical Engineering Education (SACHE) for Companies

An Introduction to Fire Dynamics

Department of Fire Safety Engineering, Lund University

Dublin Core Metadata Standard (DCMI)

Enclosure Fire Dynamics

Introduction to Dust Cloud Explosions

ISSN international centre

National information standards organization (NISO)

Reproductive accuracy of generic Omega Parameter safety valve two phase critical mass flow models based on water and refrigerant R134a data

The SFPE Handbook of Fire Protection Engineering

Thermal Safety Software (TSS) - CISP


Research projects

18 entries found!

ALARP - Aineisto LAitoksen elinkaaren Riskianalyysi- ja Prosessiturvallisuuskoulutukseen. (Finnish)
Public training material regarding safety analysis and process safety issues at the different life-cycle stages of chemical processes and proces

Serious explosion accidents have occurred in EU countries that have involved the bulk storage of display fireworks. Currently, there is no means of estimating the hazards posed by such storage and the UN transport classification scheme is all that ca

e-Seveso wants to deploy a service through Europe for monitoring the management Security that increases the collective protection of people, goods and environment by means of the effective sharing of the resources of the Information and Communication

The aim of the eRisk project is to develop a new concept for networking different risk management organisations and services. The eRisk concept is based on the Finnish Risk Management Toolkit (www.pk-rh.com). The new concept will be a modular, custom

Risk analysis is the scientific approach to producing safe food and is the cornerstone of new EC food safety legislation. Risk analysis may be divided into risk assessment, risk management and risk communication. This project will provide a database

The project will join researchers with end-users and stakeholders in a concerted action to address the key issues identified by EU Pesticide Risk Assessment workshop (EUPRA). The EUPRA. workshop concluded that probabilistic methods would provide impo

Design, Prototype and Manufacture a helmet system for Fire-fighters, equipped with a high resolution, miniature, viewer and an autonomous, portable, computer system capable of presenting, overlapped to the normal viewing field of the user, images fro

Improvement of an industrial process for the production of cyclic macrolactones (MLC) ? Doctoral Thesis
The aim of this work is basically centred in the improvement and industrialization of the production of macrocyclic lactones (C11 and C16) through the Story synthesis useful as raw materials for high performance linear polyesters. As a starting point

Support Database for Design of Inherently Safer Chemical Plants

Methodologies for thermal risk analysis of discontinuous chemical processes (Metodologies per l?an?lisi del risc t?rmic de processos qu?mic discontinues) ? Doctoral Thesis
The project presents a comparative analysis of methodologies to realise studies on thermal security of chemical reactions, in discontinuous mode, currently used in several research centres. Furthermore, the project presents an analysis of its use bas

Innovative polypropylene nanocomposites will be developed for automotive and electronics applications. Nanocomposites will be prepared by exfoliation of modified nanometer-thick clay platelets in both virgin and modified polypropylenes. Innovative, e

Specific Objectives -To provide scientific and technical assistance to DGENV on the formulation, implementation and monitoring of EU policy on the control of major hazards and the prevention and mitigation of major accidents; -To manage the Europ

Semiconducting oxide sensors (e.g. Tagushi-sensors) used for olfactory imaging at present are inherently too slow to provide instantaneous response required for real-time process monitoring and control in the industry. Besides they are prone to humid

Process industry is challenged to produce higher product yields at lower costs and less waste while maintaining safety. Sustainable growth requires more partialoxidation of hydrocarbons and biomass. Such developments will increase explosion risk. Ris

SPAI: Substance Prediction by Artificial Intelligence ? Doctoral Thesis
Objectives: - To build up a database to be able to train artificial intelligence systems on prediction of dangerous substances generated under out of control conditions. - To demonstrate that artificial intelligence techniques are adequate to solv

Technological and natural risks
Specific Objectives: 1. To maintain and update major accident reporting systems; 2. To perform risk and accident analysis at European level and to assist in the preparation, implementation and monitoring of European directives; 3. To draw and d

Technological and natural risks
To manage the EPERC network and maintain the EPERC website on a day-to-day basis under the guidance of the Steering Committee in order to: 1. provide technical expertise to DG ENTR in support of the PED and of the harmonised standards required for

Turvalliset ty?tavat
Safe Work Practices project - a national research project focused on developing and exploiting behaviour modification programmes integrated with safety leadership promotion in order to improve the safety culture in Finnish companies.

Legislation & Standardisation

11 entries found!

2001/58/EC, dangerous substances
Commission Directive 2001/58/EC of 27 July 2001 amending for the second time Directive 91/155/EEC defining and laying down the detailed arrangements for the system of specific information relating to dangerous preparations in implementation of Articl

IEC/TR 60079-20 - Ed. 1.0 - Bilingual, explosive gas atmospheres
Electrical apparatus for explosive gas atmospheres - Part 20: Data for flammable gases and vapours, relating to the use of electrical apparatus

Statutory Instrument 2004/568 (94/55/EC)
Statutory Instrument 2004/568 (ISBN 0110490630) - "The Carriage of Dangerous Goods and Use of Transportable Pressure Equipment Regulations 2004". This is consolidated legislation for road and rail for Great Britain (Northern Ireland are finalising si

Statutory Instrument 2004/568 (96/35/EC, 99/36/EC)
Statutory Instrument 2004/568 (ISBN 0110490630) "The Carriage of Dangerous Goods and Use of Transportable Pressure Equipment Regulations 2004". This is consolidated legislation for road and rail for Great Britain including radioactive materials by ra

Statutory Instrument 2004/568 (96/49/EC)
Statutory Instrument 2004/568 (ISBN 0110490630) "The Carriage of Dangerous Goods and Use of Transportable Pressure Equipment Regulations 2004". This is consolidated legislation for road and rail for Great Britain including radioactive materials by ra

UNE-EN 60079-0:2005
UNE-EN 60079-0:2005. Material el?ctrico para atm?sferas de gas explosivas. Parte 0: Requisitos generales

UNE-EN 60079-10:2004.
UNE-EN 60079-10:2004. Material el?ctrico para atm?sferas de gas explosivas. Parte 10: Clasificaci?n de emplazamientos peligrosos.

UNE-EN 60079-14:2004
UNE-EN 60079-14:2004. Material el?ctrico para atm?sferas de gas explosivas. Parte 14: Instalaciones el?ctricas en emplazamientos peligrosos

UNE-EN 60079-25:2005
UNE-EN 60079-25:2005. Material el?ctrico para atm?sferas de gas explosivas. Parte 25: Sistemas de seguridad intr?nseca

UNE-EN 61241-10:2005.
UNE-EN 61241-10:2005. Material el?ctrico para uso en presencia de polvo combustible. Parte 10: Clasificaci?n de emplazamientos en donde est?n o pueden estar presentes polvos combustibles

UNE-EN 61241-14:2006
UNE-EN 61241-14:2006. Material el?ctrico para uso en presencia de polvo inflamable. Parte 14: Selecci?n e instalaci?n

Web Links

30 entries found!

2000 Emergency Response Guidebook - CANUTEC
The Emergency Response Guidebook (ERG2004) was developed jointly by the US Department of Transportation, Transport Canada, and the Secretariat of Communications and Transportation of Mexico (SCT) for use by firefighters, police, and other emergency s

2000 Emergency Response Guidebook - DOE
The Emergency Response Guidebook (ERG2004) was developed jointly by the US Department of Transportation, Transport Canada, and the Secretariat of Communications and Transportation of Mexico (SCT) for use by firefighters, police, and other emergency s

ALARP - Aineisto LAitoksen elinkaaren Riskianalyysi- ja Prosessiturvallisuuskoulutukseen
Finnish. Public training material for the full life-cycle safety analysis of process plants. Provides process industry educators and company employees with easy access to information on safety perspectives that are essential for specific processes.

Analysis of Volume Imaging Lidar Signals
This thesis presents a study of signal analysis methods for measuring convective boundary layer mean depths, cloud base altitudes, cloud top altitudes, cloud coverages, and mean wind profiles in the atmospheric boundary layer from data obtained with

Nur in Deutsch, Beschreibung vieler Details ?ber den Bereich Atemschutz, etwas produktbezogen( MSA - Auer), Anschauliches Filmmaterial ?ber den Vorgang "Flash -Over". Ausbildungsgrundlagen, Diskussionsforum, einige Querverweise

Bachinformationen within the website of Berufsgenossenschaftliches Institut f?r Arbeitsschutz
Website offers an access to a database of MSDS from different chemical industries. Information depends on the chemical industries.

Chemical Resistant Gloves Guide within the website of Oxford University
link in the Web site of the Univerity of Oxford for the The Physical and Theoretical Chemistry Laboratory. Includes MSDS'es, toxicity data, exposure limits, PPE's Information is not validated.

The CHETAH program is a unique tool for predicting both thermochemical properties and certain "reactive chemicals" hazards associated with a pure chemical, a mixture of chemicals, or a chemical reaction. This is accomplished through a knowledge of on

Danish Petroleum Industry Association
The website is in Danish only. Evaluastion was therefore very limited. It contains data on worklplace accidents and distribution incidents.

EU-OSHA Network - Good Practice - Dangerous Substances
The good practice information provided here is intended to help those taking action to reduce the risk to workers of death, ill-health, and injury from dangerous substances. Includes: Good Practice information by Country, Information by Sector (NACE

Experimental data acquisition for validation of a new vapour cloud fire (VCF) modelling approach
The report describes trials undertaken by the Health and Safety Laboratories with the aim of producing data for the validation of computer models

Explosion Dynamics Laboratory - California Institute of Technology
The themes of research are experimental, analytical, and numerical studies of the chemistry and physics of explosions. Current and part research topics include detonation, flammability, flames, deflagration-to-detonation transition, applications to p

GESTIS-database on hazardous substances
Information system on hazardous substances of the Berufsgenossenschaften (German institutions for statutory accident insurance and prevention). German and English available.

HARSNET - Thematic network on hazard assessment of highly reactive systems
An extensive forum within which universities, research centres and industries collaborate to develop and disseminate fundamental knowledge that can be used for hazard assessment of reactive systems, in order to improve the global safety of the chemic

A Relational Database of Hazardous Chemicals and Occupational Diseases

ICPS INCHEM: Chemical Safety Information from Intergovernmental Organizations
IPCS INCHEM is an tool to consolidate current, internationally peer-reviewed chemical safety-related publications and database records from international bodies, for public access. INCHEM offers quick and easy electronic access to thousands of search

IECEX home page
The objective of the IECEx Scheme is to facilitate international trade in electrical equipment intended for use in explosive atmospheres (Ex equipment), reduced testing and certification costs to manufacturer, reduced time to market international c

ility Engineering
Information about incidents, contains detailed reports of major accidents. HInt newsletter. Free failure rate data and checklists on process and control safety.

Ireland's Leading Information Network
Pay-per-access to chemical databases of hazardous substances. Retrieval services for MSDS.

Major Accident Reporting System
Major accidents data base

MHIDAS (Major Hazard Incident Data Service) within the website of Health & Safety Executive
MHIDAS is maintained by AEA Technology plc, on behalf of the UK Health and Safety Executive. Information from MHIDAS can be accessed: through a personalised service, provided on a fee basis through AEA Technology, or on a subscription basis, via

A pyrophoric material can spontaneously ignite in air. The word is derived from Greek for "fire-bearing". Many pyrophoric materials are also water reactive, reacting vigorously with water or high humidity, often igniting upon contact

MSDSOnline service
Database of MSDS from different manufacturers.

Nist Chemical Kinetics model database
It provides detailed chemical kinetic models, along with supporting data and information, used in combustion modeling applications.

Is a complete Physical Science home tutoring system.It is intended for learner, as well as for teachers who will find there a rich source of material for preparing lessons and setting tests.

The Chemical database within the website of University of Akron
United States. This website contains a chemical database, which will allow the user to retreive information for any of 23,495 hazardous chemicals or 'generic' entries based on a keyword search. Potential keywords include names, formula and registry

The Swedish Petroleum Institut
Swedish society of oil: in this web site statistical data concerning oil market are reported.

Toxicologic information on chemical substances within the website of the AIMT du Bas-Rhin.
This site provides links to other websites where different technical and medical data may be found. Websites are briefly described.

Finnish accident database. Very useful site for Finnish industry, and SMEs in particular. The accident report summaries are very well described. And the search engine is comprehensive. (i.e. accident reports (investigated by TUKES). Includes descript

Vermont Safety Information Resources, Inc
Useful information on Safety Materials Data Sheets. Provides links to manufacturers and allows searching products SMDS.


11 entries found!

Chemical Safety Data Sheets (CSDS)

Combustible fraction in materials

Data on chemicals and chemical reactions

Dissipative materials

Material compatibility

Material data sheets databanks

Material safety data sheets (MSDS)

Reactive material

Self-ignition of stored materials

Suppressant material

Teaching and educational materials

100 entries found!


Accident reports


Autoignition temperature

Body protection Garments

Bomb calorimetry

Burning rate

Chemical reactions

Combustion properties

Compatibility charts

Concept and magnitudes that can be found in MSDS


Consequence analysis


Constructional safety

Dangerous substances / Dangerous goods

Differential scanning calorimetry (DSC)

Differential thermal analysis (DTA)

Discharge force

Electrical resistivity of a layer

Emergency pressure relief design

Event tree analysis (ETA)

Exposure to chemicals


Face shields

Fault tree analysis (FTA)

Fire blanket

Fire extinguishing

Fire load

Fire resistance

Fire statistics

Flame spread

Flammability - Pyrophoric properties of solids and liquids(contact with water causing fire)

Flammability (solids)

Flash over

Frequency analysis

Fume hoods (enclosed, exterior, receiving, push-pull?)

Gas production

Gas-liquid disengagement

Globally Harmonized System of Classification and Labelling of Chemicals (GHS)




Hazard analysis (HAZAN)

Hazard identification

Hazardous waste

Heat capacity

Heat transfer for industrial fires

High pressure crucibles

Incompatibility / Reactive interactions

International standards and guides for the compilation of MSDS

Lethal concentration (LC50)

Lethal dose (LD50)

Loss prevention

Low and high temperature exposure

Management of change (MOC)

Mass transfer

Measurement methods

Metal dusts

Methods for the determination of physico-chemical properties


Modelling, simulation and optimisation

Normal boiling point

Oxidant atmosphere

Passive fire protection

Phase transfer controlled

Plant and Process Safety

Preliminary hazard analysis (PHA)


Quench / Dump tank

Quenching / Dumping

Reaction type

Reactive interaction

Relief capacity

Relief valve

Respiratory apparatus

Risk phrases

Safety shoes

Screening methods & classification

Semi-batch process

Semi-batch reactor

Set pressure

Smoke contents

Smoke production

Source of release

Standards & standards bodies

Static mixer

Statistical analysis

Structural fire protections

Surface finished and claddings

Swiss Cheese Model

Thermal Instruments

Threshold limit value (TLV)

Threshold limit value/time weighted average (TLV/TWA)

Time to maximum rate (TMRad)

Toxicity from combustion gases

Two-phase relief


Vapour pressure

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