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Wiki User

11y ago

There are some chemicals that you can dump into a sink, but you should know what you're dealing with before you do. For example, if you mix vinegar and baking soda in science class, observe the reaction, then dump the products into the sink, that's fine, because the products are simply water, carbon dioxide gas (which escapes into the air), and sodium acetate, a harmless, water-soluble salt. But certain substances like barium, cadmium, Mercury, and silver, cannot be dumped into the drain because they're harmful to the environment. Strong acids and bases should also not be drained unless you neutralize them first.

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10y ago

Anything that is thrown down a drain, is likely to eventually wind up in rivers and lakes, or in the ocean, and may become a form of water pollution. Cities try to process their waste water to make it less dangerous, but that processing is limited. They certainly do not filter out everything. If you have drugs, paint, or any potentially dangerous substance to dispose of, it requires a different kind of disposal. Hazardous waste treatment centers exist to process such things.

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8y ago

They could contaminate the near by water courses - ditches, streams and rivers. The grids at the side of a house are only meant to take the rain water coming off the roof. The toilet, bath and sink in the house are usually on a separate sewerage system, which carries human waste and detergents to sewerage farms for processing. Paints usually contain inflammable solvents, that could cause an explosion in the sewer pipes. Modern medicines should be returned (whenever possible) to the chemist you got them from for proper (safe) disposal.

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Emma167

Lvl 2
3y ago

Chemicals should never be dumped down household or street drains because those chemicals don’t disappear, they go into water areas that are used for humans and animals which can cause fish to die. Also, it wouldn’t be safe for humans because they would be drinking that water and using it for everything else.

I hope this helped.

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13y ago

Well i know that it can effect the environment. But anything you dump down a drain can effect the environment

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11y ago

No. You should contact local government to see where a proper disposal company is.

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Q: Why should chemicals never be dumped down household or street drains?
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Which are materials that cannot be broken down?

Radioactive material is considered hazardous and should not be thrown in the trash. Paints, batteries, household chemicals, and motor oil.


When employees are asked to use chemicals for cleaning they should always sure to?

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