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ppb level


.... in 2006. From there, every five years or so, the EPA should continue to lower the maximum contaminant level by 1 ppb each time. ....

1623 Words 6 Pages


.... The level for breeding cattle, swine, or poultry is 100 ppb. .... The level for feed that is intended to finish beef cattle is 300 ppb (Hovey 1A). ....

1556 Words 6 Pages


.... Contaminant Level. The MCL for chlordane in drinking water is 2 ppb while the Maximum Contaminant Level Goals (MCLG) is zero. Dr. Kaye ....

1014 Words 4 Pages

A Whole Species Approach to Methyl Mercury Toxicity

.... often found below the point of the no observable effects level (NOEC) determined .... At a methyl mercury concentration of 5.0 ppb, adolescent Mummichogs, Fundulus ....

1914 Words 8 Pages

Kyoto Protocol

.... levels were at 275 ppb, but current concentrations are estimated at 310 ppb (Gebelein, 1997). .... O3 concentration at ground level can be very toxic and is a major ....

4776 Words 19 Pages