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Tuesday, March 19, 2024
March 19, 2024

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Westneat: Decision contradicts state’s environmental rep

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As a retired nuclear power plant operator, Ross Barkhurst, 70, is by no means an environmentalist. In fact, he spent his career clashing with them.

But even he is shocked by what just got approved in our supposedly green Washington state: They’re going to use crop-dusting helicopters to spray into the oyster beds of Willapa Bay a neurotoxic pesticide that has a warning right on the bottle: “Do not apply directly to water.”

“I’m no greenie, but this state’s going to make one out of me yet,” says Barkhurst, who lives on Willapa Bay, near South Bend. “They have no idea what this is going to do to the ecosystem. Their program is ‘spray and hope.’ “

The state disputes that, but, surprisingly, that’s pretty much the conclusion of two of the biggest environmental regulators in the country, the U.S. Fish and Wildlife Service and the National Oceanic and Atmospheric Administration. Both opposed the spraying program, arguing it’s experimental and could have unintended side effects on fish and other wildlife.

It got the green light anyway.

The backstory here is there’s a tiny burrowing shrimp that can loosen the intertidal soil so much it turns it into a black mayonnaise-like goo. Oysters sink and suffocate. So the oyster industry for years killed these native shrimp using a pesticide called carbaryl.

But the use of that one got restricted. In its place, oyster growers have proposed spraying imidacloprid, a neurotoxin used in everything from flea poison to termite spray to farm insecticides.

It’s one of the most common pesticides in the world. But it was designed to be used on land. The label of a Bayer-made version of the pesticide, Merit, makes this explicit: “This product is highly toxic to aquatic invertebrates. Do not apply directly to water, or to areas where surface water is present or to intertidal areas below the mean high water mark.”

Series of safeguards

Not surprisingly, the idea of spraying this directly into marine waters for the first time did not go over well with environmentalists or even other environmental regulators.

“I understand the concern that there’s an experimental basis to this,” said Rich Doenges, the water-quality manager for the state Department of Ecology who signed off on the permit. “But we don’t do this lightly. We are very confident we have a series of safeguards in this permit that strongly protect the environment.”

Among them, he said, is ongoing monitoring of pesticide levels in the water and sediments and a pledge to “shut the program down if something unexpected happens.”

Doenges added that the new pesticide is considered less damaging than the old one. He said the growers, who raise 25 percent of the oysters in the U.S. just in these two bays, are looking at severe damage from the shrimp if they don’t act.

“They’re at a loss for what else to do,” he said.

This pesticide is also believed to be a major cause of bee-colony collapse, and as a result has been banned or partially banned in some European countries. The state argued this wasn’t relevant because there aren’t many bees at Willapa Bay, other than hives brought in about five miles away to pollinate the commercial cranberry bogs.

Barkhurst, the nuclear engineer, said it’s hubris from a state that boasts constantly about its environmental sensitivity.

“We have a substance here which is not approved for spraying in water anywhere in North America, except now in just two places — Willapa Bay and Grays Harbor,” he said. “I’m no greenie, like I said. But how green is that?”

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