TY - RPRT TI - Identification of alkyl dimethylbenzylammonium surfactants in water samples by solid-phase extraction followed by ion trap LC/MS and LC/MS/MS AU - I. Ferrer AU - E. T. Furlong PY - 2001 DO - 10.1021/es001742v UR - https://pubs.usgs.gov/publication/70023494 ID - 70023494 ER -