MASON, Ohio -- Federal investigators are expected to test the air Wednesday at an indoor water park near Cincinnati where dozens of guests have reported getting sick.

An official with the Warren County health department said the feds will be back at the Great Wolf Lodge in Mason checking the air for chlorine compounds that can be irritating, though he said they're usually nothing serious.
County health officials said they're received about 120 complaints of rashes or flu-like symptoms among adults and children who visited the water park since early January.

Great Wolf Lodge has said its air quality was found to be safe and normal by outside testing firms it hired.
 
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