... LLC142 Fate of Pharmaceuticals in the Environment and in Water Treatment Systems Oneofthemostchallengingaspectsofbatch,column ,and eld-scaleexperi-ments is the accurate quantication of low analyte ... erythro - mycin,roxithromycin,andsalinomycinof41d,130d ,and6 d,respectively,whereasnodegradationoftiamulinwasobserved.51 The dissipation of tylosin was studiedinanaerobicslurriesofswinemanureobtainedfromopenandcoveredlagoonsforwhich90%disappearancetimesof40hand310h,respectively,werecalculatedusing ... represent the magnitude of macropore ow at the eld scale. 16 © 2008 by Taylor & Francis Group, LLC152 Fate of Pharmaceuticals in the Environment and in Water Treatment Systems range of interest...