Webworkplace, hydrogen sulfide (H 2 S) remains the leading cause1. Commonly known as sewer gas, sour gas and stink damp, hydrogen sulfide goes by a number of names, including dihydrogen sulfide, sulphur hydride, hydrosulphuric acid, sul-furetted hydrogen, and hepatic gas. Regard-less of what you call it, it can be lethal: WebOct 3, 2007 · Hydrogen sulfide has a low odor threshold, and its smell may be detected below 1 ppm. The minimal perceptible odor is reported as 0.13 ppm. The rotten egg odor is recognizable up to 30...
FactSheet - Occupational Safety and Health Administration
WebHydrogen sulfide, mercaptans, dimethyl sulfide Landfills Hydrogen sulfide Petrochemical Refineries Hydrogen sulfide, carbonyl sulfide, carbon disulfide ... Another is the fact that the odor thresholds (i.e. the concentrations at which these compounds can be observed by an individual) are lower than the analytical ... Web12 rows · Odor threshold (when rotten egg smell is first noticeable to some). Odor becomes more ... A 49-year old sanitation worker died when rescuing a co-worker from an … Worker Exposure Limits (Enforceable) General Industry: 29 CFR 1910.1000 … received letter from irs about refund
Review of odour character and thresholds - GOV.UK
WebHydrogen sulfide is a mucous membrane and respiratory tract irritant; pulmonary edema, which may be immediate or delayed, can occur after exposure to high concentrations." [ATSDR Medical Management] Like cyanide, causes cellular asphyxiation; Also a mucous membrane irritant; IDLH = 100 ppm; Pulmonary edema at 300-500 ppm; Rapidly fatal at … Web0.0047 ppm is the recognition threshold of human smell, the concentration at which 50% of humans can detect the characteristic odour of hydrogen sulphide. 10-20 ppm is the … WebThe odor detection threshold is the lowest concentration of a certain odor compound that is perceivable by the human sense of smell. The threshold of a chemical compound is determined in part by its shape, polarity, partial charges, and molecular mass. received law definition