TY - RPRT TI - Chemical mixtures and environmental effects: a pilot study to assess ecological exposure and effects in streams AU - Herbert T. Buxton AU - Timothy J. Reilly AU - Kathryn Kuivila AU - Dana W. Kolpin AU - Paul M. Bradley AU - Daniel L. Villeneuve AU - Marc A. Mills PY - 2015 DO - 10.3133/ofr20151113 UR - https://pubs.usgs.gov/publication/ofr20151113 ID - ofr20151113 ER -