FROM JANUARY 1987 THROUGH ---, YELLOW FREIGHT FAILED TO COMPLY WITH ITS DISCHARGE REQUIREMENTS IN ITS NPDES PERMIT, EXCEEDING ITS EFFLUENT LIMITATIONS FOR BOD5, TNR, NH3, TOTAL OIL AND GREASE, AND FECAL COLIFORM. DURING THE SAME PERIOD IT FAILED TO MONITOR AND SUBMIT EFFLUENT ANALYTICAL RESULTS FOR TOTAL RESIDUAL CHLORINE, PH AND FLOW FOR PLANT OUTFALL 001, AS REQUIRED IN IT'S PERMIT.