Los Angeles County officials say the smell is caused by hydrogen sulfide — a flammable, colorless gas known as “sewer gas” — coming from decaying vegetation in the channel that has built up because of the drought.Oct 16, 2021,
At low tide, you'll also smell chemicals called dictyopterenes, which are sex pheromones produced by seaweed eggs to attract the sperm. And on top of all this is the 'iodine' smell of the sea, which is actually the bromophenols produced by marine worms and algae.
So for safety, most gas companies add small quantities of a compound call Mercaptan. It's what gives it the smell of rotten eggs and this is for safety so people know when there is a gas leak. Natural gas is much lighter than air so when it is released into the air it rises quickly and dissipates outside.Feb 5, 2021
When plankton die they are digested by bacteria. ... When the bacteria split the methyl group they release sulfur into the air in the form of hydrogen sulfide. This is what gives the ocean, and other marine bodies, their smell.Aug 25, 2015
Since early October, residents of Carson, California, have been sickened by a noxious smell coming from the Dominguez Channel that has been likened to “a rotten egg” or “the stench of death”. Now, officials have pinpointed a cause: a fire at a warehouse that stored beauty and wellness products.Dec 7, 2021
The smell, first reported on Oct. 3, stems from decaying organic material in the channel, which accumulated because of the ongoing drought, county public officials have said. But AQMD officials are also investigating other possible causes, including petroleum refineries, wastewater treatment facilities and landfills.Nov 11, 2021
The Nave Photon crude-oil tanker berthed in Long Beach was found to have seven pressure release devices that were leaking excessive levels of hydrocarbon vapors, which can contain sulfur gases that smell like rotten eggs.Nov 9, 2018
The extraordinary stink – which has been described as “the stench of death” – is coming from a nearby canal where authorities say decomposing vegetation is sending off plumes of hydrogen sulfide gas.Oct 29, 2021
Why does Sargassum smell so bad? When washed ashore, Sargassum will decompose (rot). Rotting Sargassum causes the production of hydrogen sulfide gas which smells like rotten eggs.
County officials said they believe the foul odor is caused by decaying vegetation in the channel that has been emitting low levels of hydrogen sulfide, which, residents say, has caused symptoms including headaches and eye, nose or throat irritation, sneezing, dizziness, insomnia, nausea, and even vomiting.Oct 19, 2021