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  2. Drug disposal - Wikipedia

    en.wikipedia.org/wiki/Drug_disposal

    Drug disposal is the discarding of drugs. Individuals commonly dispose of unused drugs that remain after the end of medical treatment. [1] Health care organizations dispose of drugs on a larger scale for a range of reasons, including having leftover drugs after treating patients and discarding of expired drugs.

  3. Hazardous waste - Wikipedia

    en.wikipedia.org/wiki/Hazardous_waste

    "In terms of hazardous waste, a landfill is defined as a disposal facility or part of a facility where hazardous waste is placed or on land and which is not a pile, a land treatment facility, a surface impoundment, an underground injection well, a salt dome formation, a salt bed formation, an underground mine, a cave, or a corrective action ...

  4. Prices of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Prices_of_chemical_elements

    Listed here are mainly average market prices for bulk trade of commodities. Data on elements' abundance in Earth's crust is added for comparison. As of 2020, the most expensive non-synthetic element by both mass and volume is rhodium. It is followed by caesium, iridium and palladium by mass and iridium, gold and platinum by volume.

  5. The price of gold keeps climbing to unprecedented heights ...

    www.aol.com/price-gold-keeps-climbing...

    The New York spot price of gold closed Tuesday at just over $2,657 per Troy ounce — the standard for measuring precious metals, which is equivalent to 31 grams — the highest recorded to date ...

  6. Medical Waste Tracking Act - Wikipedia

    en.wikipedia.org/wiki/Medical_Waste_Tracking_Act

    [4] Such a deliberate action may have arisen given the high cost (~$1500/ton) associated with the legal disposal of the waste, thus incentivizing private waste contractors to dump illegally to avoid high fees. Ultimately the Medical Waste Tracking Act of 1988 (MWTA) arose from the aftermath of this situation.

  7. Gold bar - Wikipedia

    en.wikipedia.org/wiki/Gold_bar

    Gold prices (US$ per troy ounce), in nominal US$ and inflation adjusted US$ from 1914 onward. Gold is measured in troy ounces, often simply referred to as ounces when the reference to gold is evident. One troy ounce is equivalent to 31.1034768 grams.

  8. Acetonitrile - Wikipedia

    en.wikipedia.org/wiki/Acetonitrile

    Acetonitrile is used mainly as a solvent in the purification of butadiene in refineries. Specifically, acetonitrile is fed into the top of a distillation column filled with hydrocarbons including butadiene, and as the acetonitrile falls down through the column, it absorbs the butadiene which is then sent from the bottom of the tower to a second separating tower.

  9. Inert waste - Wikipedia

    en.wikipedia.org/wiki/Inert_waste

    This waste -related article is a stub. You can help Wikipedia by expanding it.