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Summary Final Exam.doc EDMG240 Final Exam: Train Derailment EDMG240 American Military University Chemicals Involved: UN# 1076-Phosgene is œa colorless gas or a very low-boiling, volatile liquid (b.p. 8.3°C, 48°F) with an odor of new-mown hay or green cor$7.49
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Summary Final Exam.doc EDMG240 Final Exam: Train Derailment EDMG240 American Military University Chemicals Involved: UN# 1076-Phosgene is œa colorless gas or a very low-boiling, volatile liquid (b.p. 8.3°C, 48°F) with an odor of new-mown hay or green cor
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Final E EDMG240 Final Exam: Train Derailment EDMG240 American Military University Chemicals Involved: UN# 1076-Phosgene is œa colorless gas or a very low-boiling, volatile liquid (b.p. 8.3°C, 48°F) with an odor of new-mown hay or green corn(CAMEO Chemicals & NOAA, n.d.). A severely no...
final examdoc edmg240 final exam train derailment edmg240 american military university chemicals involved un 1076 phosgene is œa colorless gas or a very low boiling
volatile liquid bp 8
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EDMG240
Final Exam: Train
Derailment
EDMG240
American Military University
Chemicals Involved:
UN# 1076-Phosgene is “a colorless gas or a very low-boiling, volatile liquid (b.p. 8.3°C, 48°F)
with an odor of new-mown hay or green corn”(CAMEO Chemicals & NOAA, n.d.). A severely
noxious gas with light symptoms when inhaled that can lead to death within 36 hours if proper
personal protection measures are not taken when handling the gas or chemical initially. If the
chemical in containers is exposed to prolonged intense heat, the chemical in the container can
violently rupture and cause rocketing. Belongs to the Acyl Halides, Sufonyl Halides, and
Chemical formula: CCl2O
Flash point: data unavailable
, Lower explosive limit (LEL): data unavailable
Upper Explosive Limit (UEL): data unavailable
Auto ignition Temperature: Not flammable (USCG, 1999)
Melting Point: -180 ° F (EPA, 1998)
Vapor Pressure: 1215 mm Hg at 68 ° F (EPA, 1998)
Vapor Density (Relative to Air): 3.4 (EPA, 1998)
Specific Gravity: 1.432 at 32 ° F (EPA, 1998)
Boiling Point: 47 ° F at 760 mm Hg (EPA, 1998)
Molecular Weight: 98.92 (EPA, 1998)
Water Solubility: Very slightly soluble (NTP, 1992)
Ionization Potential: 11.55 eV (NIOSH, 2016)
IDLH: 2 ppm (NIOSH, 2016)
AEGLs (Acute Exposure Guideline Levels)
Final AEGLs for Phosgene (75-44-5) *
Exposure Period AEGL-1 AEGL-2 AEGL-3
10 minutes NR 0.6 ppm 3.6 ppm
30 minutes NR 0.6 ppm 1.5 ppm
60 minutes NR 0.3 ppm 0.75 ppm
4 hours NR 0.08 ppm 0.2 ppm
8 hours NR 0.04 ppm 0.09 ppm
NR = Not recommended due to insufficient data
* Final AEGL values as published by NRC Vol 2 (2002). Phosgene was re-reviewed by the
National Advisory Committee on Sept 9, 2009
(http://www.epa.gov/oppt/aegl/pubs/nac_49minutes_final.pdf) and changes have not been
finalized by the National Academies. Thus, final AEGL values as published in NRC Vol 2 (2002)
take precedence.
(NAC/NRC, 2016)
End aegl-cas
ERPGs (Emergency Response Planning Guidelines)
Chemical ERPG-1 ERPG-2 ERPG-3
Phosgene (75-44-5) NA 0.5 ppm 1.5 ppm
NA = not appropriate.
(AIHA, 2016)
PACs (Protective Action Criteria)
Chemical PAC-1 PAC-2 PAC-3
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