TY - CONF A1 - Standley, L J T1 - Molecular tracers of organic matter sources to surface waters. Y1 - 2001/11/ N1 - R828159 ER - TY - CONF A1 - Standley, L J T1 - Improving the use of molecular tracers in apportioning nonpoint contaminant sources. Y1 - 2002/11/ N1 - R828159 ER - TY - CONF A1 - Van, H A1 - Standley, L J A1 - Newbold, J D A1 - Van, H T1 - The effect of type and size on organic particle deposition velocity. N1 - R828159 ER -