Document 6wGmYj89L6pLMxKaKd2jq3X93

PART I A. EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS Page 2 of 18 Permit No. MS0001970 1. During the period beginning April 9, 1991, and lasting until January 31, 1993, the permittee is authorized to discharge from outfall(s) serial number(s) 001 (Process Wastewater). Such discharges shall be limited and monitored by the permittee as specified below: PARAMETER Flow-M3/day (MGD) oo Temperature C( F) Biochemical Oxygen Demand (5-Day) Chemical Oxygen Demand Total Suspended Solids Ammonia (N) Chlorine, TRC Vinyl Chloride Di-N--Octyl Phthalate DISCHARGE LIMITATIONS kg/day (lbs/day) Other Units (Specify) Daily Avg. Daily Max. Daily Avg. Daily Max. MONITORING REQUIREMENTS Measurement Sample Frequency Type N/A H/A 134(295) 465(1026) 223(491) 5.6(12.3) N/A N/A N/A N/A N/A 357(786) 1241(2736) 633(1396) 11.2(24.5) N/A N/A N/A Report N/A N/A N/A N/A N/A N/A N/A N/A Report 32.2(90) N/A N/A N/A N/A 0.5 mg/1 Report Report Cont inuous 1/Week 1/Week 1/Week 1/Week 1/Week 1/Month 1/6 Months 1/6 Months Recorder Grab * 24--Hr. 24-Hr. 24--Hr. 24--Hr. 24--Hr. Grab 24--Hr. Composite Composite Composite Composite Composite Composite The pH shall not be less than 6.0 standard units nor greater than 9.0 standard units and shall be monitored twice per month with a grab sample of the effluent. 3 . There shall be no discharge of floating solids or visible foam in other than trace amounts. 4. The discharge shall not cause the occurrence of a visible sheen on the surface of the receiving waters. 5. Samples taken in compliance with the monitoring requirements specified above shall be taken at the following location(s): the nearest accessible point after final treat ent but prior to actual discharge or mixing with the The Dissolved Oxygen shall not be less than 6.0 mg/1 and shall be monitored once per week with a grab sample. The permittee is required to monitor for Total Lead and Hardness at a frequency of once per month for the first 12 months. Based on data collected, the Office of Pollution Control will reevaluate the permit and modify it, if needed, to include the State's Water Quality Criteria limits on Lead (Avg = 0.0013 mg/1, Max = 0.034 mg/1). i VAB.0001165629