Subido por Ing. Miguel Angel Mosqueda Lagunes

Modelación toxicidad AMONIACO

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Toxic Threat Zone
Time: December 4, 2019
ALOHA® 5.4.7
1658 hours ST (using computer's clock)
Chemical Name: AMMONIA
Wind: 5 meters/second from N at 3 meters
THREAT ZONE:
Model Run: Gaussian
Red
: 106 meters --- (300 ppm = IDLH)
Yellow: 404 meters --- (25 ppm)
meters
150
50
wind
0
50
150
0
100
200
300
400
500
meters
greater than 300 ppm (IDLH)
greater than 25 ppm
wind direction confidence lines
Text Summary
ALOHA® 5.4.7
SITE DATA:
Location: AMOZOC, MEXICO
Building Air Exchanges Per Hour: 1.05 (unsheltered single storied)
Time: December 4, 2019 1658 hours ST (using computer's clock)
CHEMICAL DATA:
Chemical Name: AMMONIA
CAS Number: 7664-41-7
Molecular Weight: 17.03 g/mol
AEGL-1 (60 min): 30 ppm
AEGL-2 (60 min): 160 ppm
AEGL-3 (60 min): 1100 ppm
IDLH: 300 ppm
LEL: 150000 ppm
UEL: 280000 ppm
Ambient Boiling Point: -38.8° C
Vapor Pressure at Ambient Temperature: greater than 1 atm
Ambient Saturation Concentration: 1,000,000 ppm or 100.0%
ATMOSPHERIC DATA: (MANUAL INPUT OF DATA)
Wind: 5 meters/second from N at 3 meters
Ground Roughness: open country
Cloud Cover: 5 tenths
Air Temperature: 23° C
Stability Class: D
No Inversion Height
Relative Humidity: 50%
SOURCE STRENGTH:
Direct Source: 10 kilograms
Source Height: 1 meters
Release Duration: 1 minute
Release Rate: 167 grams/sec
Total Amount Released: 10.00 kilograms
Note: This chemical may flash boil and/or result in two phase flow.
Use both dispersion modules to investigate its potential behavior.
THREAT ZONE:
Model Run: Gaussian
Red
: 106 meters --- (300 ppm = IDLH)
Yellow: 404 meters --- (25 ppm)
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