Friday, June 25th, 2010
I noticed that API-14C recommends monitoring of 2-ppm (and higher) SO2 levels. I felt this was a really low threshold value for SO2 .
What surprised me further is that the Immediately Dangerous to Life or Health (IDLH) value for SO2 is 100-ppm...same as H2S!
Intuitively, I did not think SO2 was as toxic ...
Posted in Consequence Modeling, Dispersion, Toxicity | 3 Comments »
Wednesday, August 19th, 2009
How would you answer the following question:
Is refinery A safer than refinery B?
I know a few of you would recommend quantifying risks in each refinery. This will enable us to estimate how many fatalities (on-site and off-site) can occur in the two refineries. We can thus use the predicted ...
Posted in Consequence Modeling, Failure Data, Risk Analysis | 9 Comments »
Sunday, April 5th, 2009
Process and portable building siting has attracted further interest following the BP Texas city incident. Because of the proximity of office buildings to chemical processes, it is likely that people inside of a building be subjected to higher risks from process hazards than outdoor personnel.
A facility siting study is used ...
Posted in Consequence Modeling, Process Safety, Siting | 1 Comment »
