WebOct 8, 2010 · H2 is odorless, while H2S has a foul odor resembling rotten eggs. H2 rises to the ceiling, while H2S sinks to the floor. H2 is harmless, while H2S is poisonous. H2 is not corrosive, while H2S is ... 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 …
Odor Intensity Scales for Enforcement, Monitoring, and Testing
Web12 rows · Odor threshold (when rotten egg smell is first noticeable to some). Odor becomes more ... WebOdor Thresholds for Chemicals with Established Health Standards, 2nd Edition Table 6.1 – Odor Threshold Values # Compound Name CAS Number Formula Molecular Weight Range of Odor Values (ppm) Odor Character ACGIH TLV® (ppm) OSHA PEL (ppm) AIHA WEEL® (ppm) 1 Acetaldehyde 75-07-0 C2H4O 44.05 pungent, fruity, suffocating, fresh, … la boheme jakarta menu
Hydrogen sulfide - CDC
WebPerceived odor intensity is the relative strength of the odor above the recognition threshold (suprathreshold). ASTM E544-991, “Standard Practice for Referencing Suprathreshold Odor Intensity,” presents two methods for referencing the intensity of ambient odors: Procedure A – Dynamic-Scale Method and Procedure B – Static-Scale Method. WebHydrogen sulfide (also known as H 2 S, sewer gas, swamp gas, stink damp, and sour damp) is a colorless gas known for its pungent "rotten egg" odor at low concentrations. It is … WebJul 17, 2014 · Target Organs Hydrogen sulfide is a toxic and irritant gas whose major effects are exerted on the nervous system, the eyes and the respiratory tract. Other target organs/body structures affected include the brain and olfactory nerves. ... Toxicity Table for H2S ppm Physical Effects .013 Lower odor threshold (rotten eggs) 10 Possible … jeanine kuna