Conventional halogen-based oxidizers such as chlorine and bromine are convenient and economical primary sanitizers for swimming pools and provide a residual level of sanitizer that remains in the water.

Even though the inhibitory mechanisms for sodium nitrite are not well known, its effectiveness depends on several factors including residual nitrite level, pH, salt concentration, reductants present and iron content.

The six originally condemned as dangerous still show a residual level of radiation and chemical contamination.

Thomas F. Jenkins, Jr., and Daniel C. Leggett for a standard analytical method that determines residual explosive levels in waste water from Army ammunition plant.

The resulting grape must is very high in sugar and even after a brief fermentation period it still retains high residual levels and creates a viscous, honeyed sweet wine.

While the drug would be granted a maximum residual level for beef, it would remain banned for pork, and the ban on the import of internal organs of cattle would remain in place.

The hull is giving off normal residual levels.

"Younger infants with higher residual levels of antibodies would experience milder infections and these would be more likely to go unrecognized or be dismissed as teething difficulty."

If a patient has a mutant allele and a low-expressivity allele, the residual level of protein falls beneath the threahold for normal function, and so they do show disease phenotype.

Only the fully loaded reactors of the main power units were still generating a residual level of sound.