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Phosgene Safe Practice Guidelines Manual


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Table of Contents

Legal Notice
Acronyms and Abbreviations

  1. Introduction
  2. Training and Job Safety 
  3. Properties of Phosgene  
  4. Health Factors, Industrial Hygiene, Medical Preparedness, First Aid and Protective Equipment (updated)
  5. Emergency Response (updated)
  6. Design of Facilities
    6.1 Plant Layout & Siting
    6.2 Materials of Construction
    6.3 Piping Items & Valves
    6.4 Pumps
    6.5 Instruments
    6.6 Relief Devices
    6.7 Secondary Containment
    6.8 Mitigation
    6.9 Phosgene Monitoring
    6.10 Electrical & Grounding
    6.11 Inspection and Testing
  7. Transportation
  8. Regulatory Information  
  9. Equipment Cleaning and Repair
  10. Site Security 

Legal Notice

The information presented in the Phosgene Safe Practice Guidelines Manual (Manual) is a general composite of best practices.  The information provided in the Manual should not be considered as a directive or as an industry standard that readers must adopt or follow.  Instead, the information is intended to provide helpful ideas and guidance that users may wish to consider in a general sense.  It is not intended to be a “how-to” manual, nor is it a prescriptive guide. Users must independently determine what constitutes appropriate practice relative to their own needs and circumstances.  In making this determination, users should consider information contained in this Manual as well as other relevant information.  Users have an independent obligation to ascertain that their actions are in compliance with their current country, federal, state and local laws and regulations and should consult with legal counsel concerning such matters.  Any mention of specific products in this document is for illustration purposes only and is not intended as a recommendation or endorsement of such products by ACC or its member companies.  Many items in this document may be trademarked, which may or may not be noted in this document.

Neither the American Chemistry Council (ACC), nor the individual member companies of the Phosgene Panel, nor any of their respective directors, officers, employees, subcontractors, consultants, or other assigns, makes any warranty or representation, either express or implied, with respect to the accuracy or completeness of the information contained in this Manual; nor do the ACC or any member companies assume any liability or responsibility for any use or misuse, reliance on any information in the Manual, or the results of such use or misuse, of any information, procedure, conclusion, opinion, product, or process disclosed in these Guidelines. New information may be developed subsequent to publication of the Manual that renders information contained herein incomplete or inaccurate.  It cannot be assumed that all necessary warnings and precautionary measures are contained in this Manual or that other additional measures may not be required or desirable due to particular or exceptional conditions or circumstances, or because of applicable, federal, state or local laws.  Users should consult with their own legal counsel concerning such matters. NO WARRANTIES ARE GIVEN; ALL IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY EXCLUDED.

The Manual has been designed and distributed in a manner that accommodates periodic updates. Because the Manual may be updated periodically, contact the American Chemistry Council to obtain the most current version of the Manual. Should you have specific questions about information contained in the Manual, you may contact the American Chemistry Council or the identified Panel member companies for further information.

Copyright © 2012
American Chemistry Council

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Acronyms and Abbreviations


°C Celsius
°F Degrees Farenheit
ACGIH American Conference of Governmental Industrial Hygienists
AEGL Acute Exposure Guideline(s)
AIHA American Industrial Hygiene Association
ANSI American National Standards Institute
API American Petroleum Institute
ASME American Society of Mechanical Engineers
ASTM American Society of Testing and Materials
ATSDR Agency for Toxic Substances and Disease Registry
BEP Best efficiency point
CDC Centers for Disease Control
CFR Code of Federal Regulations (U.S.)
CGA Compressed Gas Association
CPAP Continuous Positive Airway Pressure
CS Carbon steel
DCS Defense Communications System
ECTFE Ethylene Chlorotrifluoroethylene;
ELSO Extra-corporeal Life Support Organization
EPA Environmental Protection Agency (U.S.)
EPAP Endexpuatory Positive Airway Pressure
ERPG Emergency Response Planning Guide(s)
ETFE Ethylene Tetrafluoroethylene
FEMA Federal Emergency Management Agency
FTIR Fourier Transform Infrared
GC Gas chromatograph
HVAC Heating, ventilation, air conditioning
IDLH Immediately Dangerous to Life or Health
IR Infrared
ISO International Standards Organization
LPM Liter per minute
mg/m3 milligram per cubic meter
min minute(s)
MSHA Mine Safety and Health Administration
NFPA National Fire Protection Agency
NIOSH National Institute of Occupational Safety and Health (U.S.)
NPS Nominal pipe size
NPSH Net positive suction head
NTP National Toxicology Program
OD Outside diameter
OS&Y Outside screw and yoke
OSHA Occupational Safety and Health Administration (U.S.)
PEL Permissable Exposure Limit
PIP Process Industry Practices
PPE Personal Protective Equipment
ppm parts per million
ppm-min ppm minutes
psi pounds per square inch
PSV Pressure Safety Valves
PTFE Polytetrafluoroethlene
REL Recommended Exposure Limit
RMP Risk Management Plan
SC Subcutaneous
SCBA Self-contained breathing apparatus
SOP Standard operating procedure
SS Stainless steel
TLV Threshold Limit Value
TWA Time-weighted average
UNEP United National Evironment Program
U.S. United States of America
UV Ultraviolet
WHO World Health Organization

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