Archive for the ‘Toxicity’ Category
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, Toxicity, dispersion | 1 Comment »
Wednesday, June 23rd, 2010
[Table = 13]
Source: Compressed Natural Gas Safety Bulletin, SB-2, 1992.
Posted in Confined Space, Health, Process Safety, Toxicity | 1 Comment »
Friday, July 31st, 2009
On the morning of July 19, a fire in CITGO's Corpus Christi refinery injured a worker. The incident occurred in the alkylation unit of the refinery.
The refinery used Hydrogen Fluoride (HF) as a catalyst for alklyation . Typically in the alkylation process, isobutane and olefins are combined (in presence of ...
Posted in Chemical Accidents, Inherent Safety, Toxicity | 4 Comments »
