Excretion. The quantities of radio- activity eliminated in the urine, feces, and expired air shall be determined separately at appropriate time inter- vals. The collection of the intact test substance or its metabolites, including carbon dioxide, may be discontinued when less than 1 percent of the admin- istered dose is found to be exhaled as radioactive carbon dioxide in 24 hours.
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Excretion. The quantities of radio- activity eliminated in the urine, feces, and expired air shall be determined separately at appropriate time inter- vals. The collection of the intact test substance or its metabolites, including carbon dioxide, dioxide may be discontinued when less than 1 one percent of the admin- istered dose is found to be exhaled as radioactive carbon dioxide in 24 hours.
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Samples: www.govinfo.gov, www.govinfo.gov, www.govinfo.gov
Excretion. The quantities of radio- activity eliminated in the urine, feces, and expired air shall be determined 40 CFR Ch. I (7–1–14 Edition) separately at appropriate time inter- vals. The collection of the intact test substance or its metabolites, including carbon dioxide, dioxide may be discontinued when less than 1 one percent of the admin- istered dose is found to be exhaled as radioactive carbon dioxide in 24 hours.
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Excretion. The quantities of radio- activity eliminated in the urine, feces, and expired air shall be determined 40 CFR Ch. I (7–1–19 Edition) separately at appropriate time inter- vals. The collection of the intact test substance or its metabolites, including carbon dioxide, dioxide may be discontinued when less than 1 one percent of the admin- istered dose is found to be exhaled as radioactive carbon dioxide in 24 hours.
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