Treating Sleeping Sickness. The type of treatment depends on the stage of the disease. Drugs used in the first stage of the disease are of lower toxicity and are easier to administer. However, treatment success in the second stage of the disease depends on a drug that can cross the blood-brain barrier.
Definition of casinghead gas. : natural gas rich in hydrocarbon vapors that is taken without processing from an oil well.
Casing â Pipe cemented in an oil or gas well to seal off formation fluids and to keep the borehole from caving in. Smaller diameter âstringsâ of casing are cemented inside larger diameter strings as a well is deepened. Clean Water Act â The federal law that regulates discharges into waterways.