ITE DATA:
Location: SALINAS, CALIFORNIA
Building Air Exchanges Per Hour: 0.51 (unsheltered single storied)
Time: September 2, 2015 1551 hours PDT (using computer's clock)
CHEMICAL DATA:
Chemical Name: VINYLCYCLOHEXENE Molecular Weight: 108.18 g/mol
PAC-1: 0.3 ppm PAC-2: 38 ppm PAC-3: 310 ppm
LEL: 9800 ppm UEL: 88000 ppm Ambient Boiling Point: 127.9° C
Vapor Pressure at Ambient Temperature: 0.020 atm
Ambient Saturation Concentration: 19,592 ppm or 1.96%
ATMOSPHERIC DATA: (MANUAL INPUT OF DATA)
Wind: 5 miles/hour from ESE at 3 meters
Ground Roughness: open country Cloud Cover: 5 tenths
Air Temperature: 24° C Stability Class: C
No Inversion Height Relative Humidity: 50%
SOURCE STRENGTH:
Evaporating Puddle (Note: chemical is flammable)
Puddle Area: 100 square meters Puddle Volume: 30 cubic meters
Ground Type: Default soil Ground Temperature: 24° C
Initial Puddle Temperature: Ground temperature
Release Duration: ALOHA limited the duration to 1 hour
Max Average Sustained Release Rate: 2.4 kilograms/min (averaged over a minute or more)
Total Amount Released: 141 kilograms
THREAT ZONE:
Model Run: Gaussian
Red : 19 meters --- (150 ppm)
Note: Threat zone was not drawn because effects of near-field patchiness make dispersion predictions less reliable for short distances.
Orange: 119 meters --- (10 ppm)
Yellow: 171 meters --- (5 ppm)
THREAT AT POINT:
Concentration Estimates at the point:
Downwind: 50 meters Off Centerline: 10 meters
Max Concentration: Outdoor: 16.8 ppm
Indoor: 6.53 ppm