71.   But many manatees now dine on fast-spreading imported freshwater weeds released into waterways by people.

72.   But the chemical, if released into the atmosphere in large amounts, could pose a serious health hazard, particularly to workers at the site.

73.   But when air was released into the ballast tanks, the air valves froze closed.

74.   Chemical weapons were released into a harsh desert environment as enemy stockpiles were detonated.

75.   Chlorine was released into the atmosphere for many years in the form of CFCs, which were once widely used for refrigerators, air-conditioning equipment and many industrial products.

76.   Carbon is released into the atmosphere as carbon dioxide gas primarily through the burning of fossil fuels.

77.   City officials said hydrochloric acid was leaking in the tunnel, but they did not believe toxic chemicals had been released into the air.

78.   Company officials did not promptly report to federal authorities that asbestos had been released into the air after the explosion.

79.   Consolidated Edison admitted it failed to tell federal authorities for four days that asbestos had been released into the air when a steam pipe exploded in New York City.

80.   During the hearing he agreed to be extradited to Iowa and through his attorney asked to be released into the custody of his parents.