Browsing Natural Resources by Subject "Quality assurance"

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Direct/Delayed Response Project: Definition of Soil Sampling Classes and Selection of Sampling Sites for the Northeast

Lee, Jeffrey J.; Marmorek, David R.; Thornton, Kent W.; Lammers, Duane A.; Stevens, Donald L. (Corvallis, Or. : Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, 1989-04)

The Direct/Delayed Response Project (DDRP) has been designed and implemented to estimate the number of lakes and streams that might become acidic in three regions due to current or altered levels of acidic deposition. As ...