Source Strength Summary

-- Release scenario is a nonflammable chemical that escaped from a tank as an aerosol.
-- Total amount released was 1350 pounds (612 kilograms).
-- Maximum average sustained release rate was 1350 pounds/minute (612 kilograms/minute), averaged over a minute or more.
-- Release duration was 1 minute.


This information summarizes key scenario details and ALOHA source strength calculations. Additional details about your scenario are displayed below. 	


Chemical Data

Chemical Name:  CHLORINE
Molecular Weight:  70.9 g/mol
AEGL-1:  0.5 ppm
AEGL-2:  2 ppm
AEGL-3:  20 ppm
ERPG-1:  1 ppm
ERPG-2:  3 ppm
ERPG-3:  20 ppm
PAC-1:  0.5 ppm
PAC-2:  2 ppm
PAC-3:  20 ppm
IDLH:  10 ppm
LEL:  data unavailable
UEL:  data unavailable

Ambient Boiling Point:  -40.4 degrees F  (-40.2 degrees C)
Freezing Point:  -149.9 degrees F  (-101.0 degrees C)
Vapor Pressure at Ambient Temperature:  greater than 1 atm
Ambient Saturation Concentration:  1,000,000 ppm or 100.0%



	
Weather and Location Data
Meteorology Forecast File:  HRRR
Meteorology Forecast Cycle:  23 UTC / Jul 12, 2025
Release Start Time:  04:00 PM (MST) / July 12, 2025 (2300 UTC / July 12, 2025)
Release Location:  (Lat: 36.217557; Lon: -112.065708)

The following information was extracted from the forecast file at the release start time in order to run ALOHA:
Wind:  10.5 miles per hour (4.7 meters per second) from SW
Ambient Air Temperature:  77.8 degrees F  (25.5 degrees C)
Cloud Cover:  2 tenths
Stability Class:  B


Tank Description
Tank Type:  vertical cylinder
Tank Diameter:  10 feet 
Tank Length:  4 feet
Tank Volume:  2,350 gallons (calculated)
Chemical Storage Temperature Inside of Tank:  ambient air temperature (77.8 degrees F)

Mass of Volume in Tank
Mass Value Specified by:  amount (mass) in tank
State of Chemical in Tank:  tank contains liquid (calculated)
Mass of Chemical in Tank:  1,350 pounds

Tank Opening
Shape of Opening in Tank:  circular opening
Opening Diameter: 12 inches
Leak Type:  hole
Height of Leak:  bottom of opening is 0 inches above the bottom of the tank