article_snippet: Health scare: The accident at WIPP exposed 22 workers to radiation in amounts not expected to threaten 22 workers health .
article_snippet: The accident at WIPP exposed 22 workers to radiation in amounts not . expected to threaten 22 workers health, according to Nuclear Waste .
highlights_snippet: Accident exposed 22 workers to radiation in amounts not expected to threaten 22 workers health .