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Controlling Earth's Pollutants (Environment at Risk) by Christine Petersen

By Christine Petersen

In setting in danger medical ideas, options, and methodologies in environmental technological know-how are explored and defined.

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Its port (left) side scraped along the base of the tower, ripping off pieces of the concrete, wood, and plastic bumper. The impact peeled back a long section of the ship’s metal hull, exposing a cluster of tanks that lay beneath. Three of these, punctured by the impact, began to spill their contents into the bay. One tank held harmless ballast water, which gave the ship additional weight. The other two contained heavy fuel oil. At least 53,000 gallons (200,000 L) poured into San Francisco Bay. Almost immediately, powerful tides and currents began to pull plumes of fuel away from the accident site.

One tank held harmless ballast water, which gave the ship additional weight. The other two contained heavy fuel oil. At least 53,000 gallons (200,000 L) poured into San Francisco Bay. Almost immediately, powerful tides and currents began to pull plumes of fuel away from the accident site. Within a day the entire 400-square-mile (1,036-sq-km) expanse of the bay was at risk of contamination, as were long stretches of coastline north and south of the Golden Gate. Environmental Effects of Oil Heavy fuel oil is made from the leftover products of the oilrefining process that are combined with lighter oils to dilute them.

The CWA defined two distinct categories of water pollution: • Point sources are those that can be easily located in space and time. The Cosco Busan was a point source. ). 54 Water Worries • Nonpoint sources are scattered around the watershed and cannot be identified. Runoff is a type of nonpoint source (NPS) pollution. S. jurisdictions to evaluate the bodies of surface water within their boundaries (wetlands, river, lakes, and bays) and to establish water-quality standards for their protection.

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