MAP20090081154Keith, Lawrence H.Environmental sampling and analysis : a practical guide / Lawrence H. Keith. — [Chelsea], Michigan : Lewis Publishers, 1991143 p. ; 23 cm.Fondo donado por el Sr. Enrique González Fernández, del INSHTSumario: Preface -- ACS Committee on environmental improvement -- Planning sampling protocols -- Quality assurance an dquality control -- Sampling water matrices -- Sampling air matrices -- sampling biological matrices -- Sampling oslids, liquids, and sluudges -- Planning analytical protocols -- Quality assurance and quality control -- Analytical measurements -- Documentation and reporting -- References -- Other useful sources of information