| presence and effects of pharmaceutical and personal care products on the baca national wildlife refuge, colorado. | pharmaceuticals and personal care products (ppcps) have raised concerns due to their potential effects to aquatic organisms. these chemicals appear in mixtures at very low concentrations thus making their detection and quantification difficult. polar organic chemical integrative samplers (pocis) concentrate trace levels of chemicals over time increasing method sensitivity and thus represent a cost-effective screening tool for biomonitoring studies. the baca national wildlife refuge (bnwr), color ... | 2015 | 25465958 |