TY - JOUR A1 - Johnson, W P A1 - Bao, G A1 - John, W W T1 - Specific UV absorbance of Aldrich humic acid: changes during transport in aquifer sediment. Y1 - 2002/02/15 N1 - R826650 JF - ENVIRONMENTAL SCIENCE & TECHNOLOGY J1 - ENVIRON SCI TECHNOL J2 - Enviornmenal Research J3 - ENVIRONMENTAL SCIENCE & TECHNOLOGY VL - 36 IS - 4 SP - 608 EP - 616 ER -