Engine : General Subjects - 471/1128
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| What is the primary reason why the ballast water management regulations exist as applicable to vessels equipped with ballast tanks operating in U.S. waters? |
| A) Prevent invasion of non-indigenous foreign marine species into U.S. waters. |
| B) Prevent oil pollution of environmentally sensitive areas within U.S. waters. |
| C) Prevent changes in salinity or salt content of coastal U.S. waters. |
| D) Prevent sedimentary deposits in ports and harbor areas of U.S. waters. |
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