How many hazmat response teams have a clear and concise system for environmental sampling at every emergency? Most hazmat responders know the importance of environmental sampling at emergencies; not ...

Recently developed two-stage estimation methods of sample selection models are used, in the context of data from the 1989 Labor Market Activity Survey, to examine labor supply decisions and wage ...

Journal of Field Archaeology, Vol. 13, No. 4 (Winter, 1986), pp. 477-491 (15 pages) In this paper several considerations are discussed that developed out of the sampling program for the Chevelon ...

Adherence to regulatory limits for mycotoxins in agricultural commodities is important to safeguard consumers and to permit trade in affected commodities across international borders. Reliable ...