“…Morgan and Bretthauer (150) have discussed some of the general problems associated with the determination of metals and bioenvironmental systems. A guide to analytical methods for inorganic pollutants has been prepared by Smyth (217). Specific, detailed analytical procedures can be found in a publication prepared by the Scientific Committee on Problems of the Environmental (SCOPE) (210) and in a review of chemical methods for analyzing airborne particulates by West et al (248).…”