Document 3QNwvm4xaQ9VDnbVVQdvMZgzJ

UNITED STATES ENVIRONMENTAL PROTECTION REGION VI ALLIED BANK TOWER AT FOUNTAIN PLACE 1445 ROSS AVENUE DALLAS, TEXAS 75202 AGENCY May 18, 1987 REPLY TO: 6W-EA0 Mr. T. G. Brown Works Manager PPG Industries, Inc. P. 0. Box 1000 Lake Charles, Louisiana 70602 Re: NPDES Permit No. LA0000761 Dear Mr. Brown: We note that your facility is in violation of the above referenced permit, specifically, the following violations: Date Outfall Parameter Violation Permit Limit / February 10, 1987 k' February 22, 1987 ** February 27, 1987 ^ March 9, 1987 ^ March 18, 1987 * March 18, 1987 March 25, 1987 001 001 001 001 001 004 004 pH, max. pH, max. pH, max. pH, max. pH, max. pH, max. pH, max. 9.3 s.u. 9.4 s.u. 9.0 s.u. 9.0 s.u. *Reported maximum values on Discharge Monitoring Report (DMR) do not agree with NCR letter submitted with DMR. Please provide explanation of differences. -------- Your facility should take whatever remedial action is necessary to prevent the recurrence of the violations noted above. A report of the above violations will be placed in your file. The report will be used in our consideration of the appropriate action to be taken in the event of future violations of the permit. Q2&6AT -2If you have any questions on this matter, please contact me at the above address or telephone (214) 655-9065. Sincerely, Thomas Lewerenz Enforcement Branch, 6W-EA0 cc: Mr. Marion Fannaly Enforcement Coordinator Louisiana Dept, of Environmental Quality P.0. Box 44066, Capitol Station Baton Rouge, Louisiana 70804-406 026642