... (SETAC)92 Veterinary Medicines in the Environment Boxall ABA, Kolpin D, Halling-Sørensen B, Tolls J. 2003. Are veterinary medicines caus-ing environmental risks? Environ Sci Technol 37: 286A–294A.Burka ... PECinitial, depending upon the duration of the treatment period for the medicine, the size of the facility, the ow rates in the facility, and other fac-tors. In the receiving water the rates ... 118SulfadimethoxineMin 89Median 144SulfamethoxazoleMinTetracycline 6 0-5 4-8 Hogs 605 — 272 3-6 5090000Median 420999Trimethoprim 73 8 -7 0-5 Hogs 8 5 168 0-3 990Median 2589110Tylosin 140 1-6 9-0 Hogs...