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Wick type odorizers can be very small, odorizing the gas for as few as one gas customer to much larger ones that can odorize the gas for a small town (10,000 MCF). They use a wick which is very similar to those used in a kerosene lantern. The odorant is drawn up the wick from the container and into the gas stream.
'Tis the season to fire up the hearth.
Toxic: a chemical that has a median lethal concentration (LC 50) in air of more than 200 parts per million (ppm) but not more than 2,000 parts per million by volume of gas or vapor, or more than 2 milligrams per liter but not more than 20 milligrams per liter of mist, fume or dust, when administered by continuous inhalation for 1 hour (or less if death occurs within 1 hour) to albino rats ...
Propane, butane, and methane are all flammable gases used in fireplaces (natural gas is mostly methane, liquefied petroleum gas mostly propane). Gases can act as asphyxiant gases [16] or cause gas explosions [citation needed] if they are allowed to accumulate unburned. Ethanol (a liquid, also sold in gels) fires can also cause severe burns. [17]
Mustard gas or sulfur mustard are ... propane 63905-10-2 1,4-Bis(2-chloroethylsulfanyl) butane ... The US military conducted experiments with chemical weapons like ...
Fragrance bottles. An aroma compound, also known as an odorant, aroma, fragrance or flavoring, is a chemical compound that has a smell or odor.For an individual chemical or class of chemical compounds to impart a smell or fragrance, it must be sufficiently volatile for transmission via the air to the olfactory system in the upper part of the nose.
Natural gas leaks happen nearly every day in the U.S. — and they can be deadly if they go undetected. A report from a group of Texas environmental nonprofits released in June found around 2,600 ...
While it might seem like a food that doesn’t go bad , olive oil does expire. A sealed bottle of olive oil generally lasts 18 to 24 months. But it depends on the variety of oil.