fact:
you get ONE strong whiff of h2s, it burns out your olefactory receptors. you smell it no more, thinking you are safe.
the next breath paralyzes the diaphram and you.....die.
anyone working in refineries, chemical plants, in the oil fields, anywhere large amounts of manure of various types are present, wastewater facilities, anyone who has worked in confined spaces has been trained about, probably encountered it in less than deadly doses, and knows h2s is very very dangerous. it is heavier than air and therefore just spreads out horizontally rather than rising and dissapating harmlessly into the atmosphere.
{edit to add this}What is hydrogen sulfide (H2S)?
Hydrogen Sulfide (H2S) is a colorless gas that smells like rotten eggs (from the sulphur). Often referred to as "sewer gas," hydrogen sulfide is highly poisonous. Usually, the poisoning caused by hydrogen sulfide is though inhalation and has a toxicity similar to cyanide. It is found in petroleum and natural gas and is sometimes present in ground water. Natural gas can contain up to 28% hydrogen sulfide gas and may be considered an air pollutant when found near a natural gas production area or refinery.
Low Levels of H2S
The odor or hydrogen sulfide gas can be perceived at levels as low as 10 ppb (parts per billion). At levels of 50-100 ppm (parts per million), it may cause the human sense of smell to fail. Low levels can cause eye irritation, dizziness, coughing, and headache.
High levels of H2S
At high exposures (usually greater than 300 ppm), H2S has the amazing effect of causing the nose to stop perceiving its smell after a few inhalations, which may lead to the inhalation of a toxic or fatal dose (which can occur at 600 ppm). At high levels, hydrogen sulfide gas may paralyze the lungs, meaning that the victim may then be unable to escape from the toxic gas without assistance.
Deaths are not uncommon when people enter poorly ventilated spaces such as deep wells, underground tanks or sewer systems. Since H2S gas is heavier than air, its concentration is highest near the bottom of enclosed spaces.
{edited again to add this, and this one is lmao}from here:http://www.bakerhughes.com/bakerpetrolite/oilgas/h2s_control/
Aside from it's corrosive nature, H2S is also a very toxic and very flammable gas. At low levels, H2S has a "rotten egg" smell. At levels of 100 ppm, H2S will paralyze the olfactory system, making it appear odorless. At levels above 700 ppm, H2S can kill instantly. To add to the threat this creates,
H2S is heavier than air, allowing it to creep along the surface where it becomes a potentially life threatening, explosive hazard. italics mine.
http://www.cdc.gov/nasd/docs/d001601-d0017...16/d001616.htmlHydrogen sulfide is considered the most dangerous of the byproducts of manure decomposition. It has a, distinct rotten egg smell and is heavier than air. After breathing this gas for a short time, your sense of smell becomes fatigued and you can no longer detect an odor.
http://www.osha.gov/SLTC/etools/oilandgas/...monitoring.htmlHydrogen Sulfide or sour gas (H2S) is a flammable, colorless gas that is toxic at extremely low concentrations. It is heavier than air, and may accumulate in low-lying areas. It smells like "rotten eggs" at low concentrations and causes you to quickly lose your sense of smell. Many areas where the gas is found have been identified, but pockets of the gas can occur anywhere
another thought, eating rocks, clay for vitamin b12. practically all b12 comes from animal flesh and dairy products.
deer dont eat meat, they do fine, cows dont eat meat, they do fine. all natural herbivores seem to do fine. my uneducated guess here is that herbivores dont have much use for b12? somebody in the know set me right on this please?
soooooooooooooooo is bigfoot a herbivore, why would he need b12?
if he omnivore, he gets b12 plenty from critters he eats.
critters licking a natural salt lick i know and understand. i know of two natural salt licks up to home and they always showed lots of sign of all types of critters.
opinion on this thought please.