Occupational Safety and Health Administration




НазваниеOccupational Safety and Health Administration
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DRAFT GUIDANCE FOR

HAZARD DETERMINATION


For compliance with the

osha hazard communication standard

(29 CFR 1910.1200)


U.S. Department of Labor

Occupational Safety and Health Administration



TABLE OF CONTENTS




OVERVIEW 1

INTRODUCTION 3

What is Hazard Determination? 3

Who Must Conduct Hazard Determinations? 3

What Resources are Needed to Conduct a Hazard Determination? 4

How Should This Guidance Document be Used? 4

THE HAZARD DETERMINATION PROCESS vi

What is the HCS Definition of “Chemical”? vi

Although virtually all materials are considered chemicals under this definition, the HCS identifies certain categories of chemicals that are not covered by the standard. These categories are: vii

How Will I Know if My Chemical is “Hazardous”? x

Fire Hazards xi

Combustible liquid xi

Cardiovascular toxicity xii

Is Hazard Determination the Same for Mixtures as for Individual Elements and Compounds? xiv

What is Involved in the Conduct of a Hazard Determination? xvi

SELECTION OF CHEMICALS 23

DATA COLLECTION 25

Health Effects 28

DATA ANALYSIS 30

Physical Hazards 31

Flammable Aerosol 33

Flammable Gas 34

Flammable Solid 35

Oxidizer 35

Pyrophoric Hazards 36

Explosive Hazards 37

Compressed Gas 37

Explosive 38

Reactive Hazards 39

Health Hazards 41

Oral LD50 46

DATA DOCUMENTATION 57

Physical/Chemical Characteristics 59

SUMMARY -
Fire and Explosion Hazard Data 60

Combustible liquid 60

APPENDICES 62

A. 62

Glossary of Terms and Definitions 62

F. IARC Carcinogens 62

Glossary of Terms and Definitions 63

Comprehensive Bibliographic DataBases 75

VII. Trade Associations : 76

American Chemistry Council (ACC). Arlington, VA. http://www.american chemistry.com. 76

Synthetic Organic Chemical Manufacturers Association (SOCMA). Washington D.C. http://www.socma.com. 76

American Petroleum Institute (API), Washington D.C. http://www.api.org. 76

Chemical Producers and Distributors Association, Alexandria, VA. http://www.cpda.com. 76

Ethylene oxide 66

Inorganic arsenic 66

Methyl chloromethyl ether 66

4-Nitrobiphenyl 66

Vinyl chloride 66

Agents, Substances, Mixtures or Exposure Circumstances Known to be Human Carcinogens. 10th Report on Carcinogens, January 2003. U.S. Department of Health and Human Services, Public Health Service, National Toxicology Program. 70



















OVERVIEW



This document is designed to help manufacturers and importers of chemicals identify chemical hazards so that employees and downstream users can be informed about these hazards, as required by the Occupational Safety and Health Administration’s (OSHA) Hazard Communication Standard. This guidance may also be useful to employers who decide to conduct hazard determinations in order to assure the accuracy and completeness of information provided to them by suppliers. Hazard determination is the critically important first stage in the process of establishing an effective hazard communication program.


The process of hazard determination consists of four basic steps. These are:





  • Selection of chemicals to evaluate;

  • Collection of data;

  • Analysis of the collected data; and

  • Documentation of the hazard determination process and the results obtained.








The intent of this document is to provide guidance as to the processes involved and to identify considerations in the conduct of hazard determinations. Since much of the discussion is of a technical nature, a Glossary of Terms and Definitions is included as Appendix A.


This guidance document provides a description of the hazard determination process. This document does not itself alter or determine compliance responsibilities, which are set forth in the Hazard Communication Standard (29 CFR 1910.1200) and in the Occupational Safety and Health Act. Moreover, because interpretations and enforcement policy may change over time, the reader should consult current administrative interpretations and decisions by the Occupational Safety and Health Review Commission and the courts for additional guidance on OSHA compliance requirements.


Material contained in this publication is in the public domain and may be reproduced, fully or partially, without permission. Source credit is requested but not required.


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