SRM 3673 Organic Contaminants in Non-Smokers' Urine (Frozen) - This Standard Reference Material (SRM) is intended for use in evaluating analytical methods for the determination of selected hydroxylate
File List ants.htm --formatted for ease of viewing ants.txt -- formatted for ease of downloading and reanalysis DescriptionThis file contains the complete species list for the ant fauna of La Selva Bi
Despite intensive efforts for more than a decade to develop Water Framework-compliant assessment systems, shortcomings continue to appear. In particular, the lack of reference conditions has hindered