1. U.S. Department of Transportation Pipeline and Hazardous Materials Safety Administration - 1 - Emergency Response Guidebook 2012 Summary of Changes April 2012

2. U.S. Department of Transportation Pipeline and Hazardous Materials Safety Administration 2 The Emergency Response Guidebook The First Responder’s First Resource - Worldwide! Published every four years 13 million copies distributed More than 17 languages More than 2.2 million copies ERG2012 Android/iPhone Applications – Late 2012

3. U.S. Department of Transportation Pipeline and Hazardous Materials Safety Administration 3 Guidebook Cover Updated

4. U.S. Department of Transportation Pipeline and Hazardous Materials Safety Administration - 4 - General Information Pages (WHITE Pages) Various sections have been expanded and/or revised, including: Shipping Documents (Papers) How to Use this Guidebook During an Incident User's Guide Isolation and Evacuation Distances Who to Call for Assistance Table of Placards and Initial Response Guide to Use On-Scene

5. U.S. Department of Transportation Pipeline and Hazardous Materials Safety Administration - 5 - General Information Pages (WHITE Pages - Cont’d) Rail Car Identification Chart Road Trailer Identification Chart Fire and Spill control Pipeline Safety Information Criminal/Terrorist Use of Chemical/Biological/Radiological Agents Glossary Publication Data (and related information) Emergency Response Telephone Numbers

6. U.S. Department of Transportation Pipeline and Hazardous Materials Safety Administration - 6 - General Information Pages (WHITE Pages - Cont’d) Added Information in the Users Guide to describe the new Table 3 - six common TIH gases Added notes to several WHITE Pages to reflect addition of Table 3

7. U.S. Department of Transportation Pipeline and Hazardous Materials Safety Administration - 7 - Added all new dangerous goods listed in UN Recommendations on the Transport of Dangerous Goods to 17th revised edition List in Order of ID Number (YELLOW-Bordered Pages) And List in Alphabetical Order (BLUE-Bordered Pages)

8. U.S. Department of Transportation Pipeline and Hazardous Materials Safety Administration - 8 - Safety Recommendations/ Emergency Response Guides (ORANGE-Bordered Pages) Tune-up of several guides:

9. U.S. Department of Transportation Pipeline and Hazardous Materials Safety Administration - 9 - Table of Initial Isolation and Protective Action Distances, and the Table of Water-Reactive Materials That Produce Toxic Gases (GREEN-Bordered Pages) Added Table 3 Isolation and Evacuation Distances for six common TIH materials  Ammonia, anhydrous (UN1005)  Chlorine (UN1017)  Ethylene oxide (UN1040)  Hydrogen chloride (UN1050) and Hydrogen chloride, refrigerated liquid (UN2186)  Hydrogen fluoride (UN1052)  Sulfur Dioxide (UN1079)

10. U.S. Department of Transportation Pipeline and Hazardous Materials Safety Administration - 10 - GREEN-Bordered Pages (Cont’d) Added “How to Use Table 3” page Tune-up of Initial Isolation and Protective Action Distances WHITE pages – added notes to several sections reflecting addition of Table 3 Added Table 3 information within User’s Guide WHITE pages section.

11. U.S. Department of Transportation Pipeline and Hazardous Materials Safety Administration - 11 - Glossary Section Revised Definitions: Compatibility Group Acute Exposure Guideline Level (AEGL)

12. U.S. Department of Transportation Pipeline and Hazardous Materials Safety Administration - 12 - Miscellaneous Additions Table of Placards and Initial Response Guide to Use On-Scene: New Limited Quantity placard

13. U.S. Department of Transportation Pipeline and Hazardous Materials Safety Administration - 13 - Miscellaneous Additions (Cont’d) Added 59 material names to reflect the 17 th edition of the UN Recommendations for the Transport of Dangerous Goods

14. U.S. Department of Transportation Pipeline and Hazardous Materials Safety Administration - 14 - Miscellaneous Additions (Cont’d) FIRE AND SPILL CONTROL White page section: Added BLEVE-(Boiling Liquid Expanding Vapor Explosion) related information and a Safety Distances Chart

15. U.S. Department of Transportation Pipeline and Hazardous Materials Safety Administration - 15 - Miscellaneous Additions (Cont’d) “FIRE AND SPILL CONTROL” White pages section: Added BLEVE (Boiling Liquid Expanding Vapor Explosion) related information and a Safety Distances Chart “CRIMINAL/TERRORIST USE OF CHEMICAL/BIOLOGICAL/RADIOLOGICAL” WHITE pages section: Added an Improvised Explosive Device (IED) Safe Standoff Distance Chart

16. U.S. Department of Transportation Pipeline and Hazardous Materials Safety Administration Questions?