(USATODAY) — SALEM, Ore. — Very low levels of radiation from the Fukushima nuclear disaster likely will reach ocean waters along the U.S. West Coast next month, scientists are reporting.

Current models predict that the radiation will be at extremely low levels that won’t harm humans or the environment, said Ken Buesseler, a chemical oceanographer at the Woods Hole Oceanographic Institution who presented research on the issue last week.

But Buesseler and other scientists are calling for more monitoring. No federal agency currently samples Pacific Coast seawater for radiation, he said.

“I’m not trying to be alarmist,” Buesseler said. “We can make predictions, we can do models. But unless you have results, how will we know it’s safe?”

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