Emergency medical condition means a medical condition manifesting itself by acute symptoms of sufficient severity (including severe pain) so that a prudent layperson, who possesses an average knowledge of health and medicine, could reasonably expect the absence of immediate medical attention to result in a condition described in clause (i), (ii), or (iii) of section 1867(e)(1)(A) of the Social Security Act (42 U.S.C. 1395dd(e)(1)(A)).
Psychotropic medication means medication the prescribed intent of which is to affect or alter thought processes, mood, or behavior including but not limited to anti-psychotic, antidepressant, anxiolytic (anti-anxiety), and behavior medications. The classification of a medication depends upon its stated, intended effect when prescribed.
Adverse impact on visibility means visibility impairment which interferes with the management, protection, preservation or enjoyment of the visi- tor’s visual experience of the Federal Class I area. This determination must be made on a case-by-case basis taking into account the geographic extent, in- tensity, duration, frequency and time of visibility impairment, and how these factors correlate with (1) times of vis- itor use of the Federal Class I area, and(2) the frequency and timing of natural conditions that reduce visibility.
Generally applicable environmental radiation standards means standards issued by the U.S. Environmental Protection Agency (EPA) under the authority of the Atomic Energy Act of 1954, as amended, that impose limits on radiation exposures or levels, or concentrations or quantities of radioactive material, in the general environment outside the boundaries of locations under the control of persons possessing or using radioactive material.