"An inversion layer is keeping the smoke close to the ground, limiting visibility and reducing helicopter air operations, " Berry said.

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The Department has limited visibility into how its regulations may affect real actions on the ground if mere guidance from a third-party is needed to explain to states that they may do something they thought they could not, or if there needs to be real regulatory change.

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We have inspectors on the ground, as you know -- the IAEA does -- so we have visibility into what they're doing.

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