Hypersensitivity pneumonitis involves inhalation of an antigen. This leads to an exaggerated immune response (hypersensitivity). Type III hypersensitivity and type IV hypersensitivity can both occur depending on the cause. Diagnosis. The diagnosis is based upon a history of symptoms after exposure to the allergen and clinical tests.
Whitewater definition, of or moving over or through rapids: whitewater rafting down the Colorado River. See more.
Waters of the United States. 40 CFR 230.3(s) The term waters of the United States means: 1. All waters which are currently used, or were used in the past, or may be susceptible to. use in interstate or foreign commerce, including all waters which are subject to the ebb.