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Published on January 2, 2008

Author: Flemel

Source: authorstream.com

National Pollutant Discharge Elimination System Permit:  National Pollutant Discharge Elimination System Permit United States Steel Gary Works NPDES Permit IN0000281 Agenda Public Meeting Draft NPDES Permit for U.S. Steel Gary Works Facility:  Agenda Public Meeting Draft NPDES Permit for U.S. Steel Gary Works Facility Opening Remarks 1994 Permit and Modifications Presentation of the US Steel Draft Permit. Break, collection of questions from the audience. Response to questions submitted by the audience. Closing Remarks. Introduction:  Introduction The public comment period for the draft NPDES permit is open until August 11, 2007. Written comments addressing the draft permit will be accepted up to August 11, 2007. All written comments will be considered by IDEM in the preparation of the final permit. All written comments will receive a response from IDEM. Introduction:  Introduction The U.S. Steel – Gary Works NPDES permit/Fact Sheet are available on the internet at: http://www.in.gov/idem/permits/water/wastewater/public_notice/index.html. Please write out all questions and comments that you wish to have addressed on the form provided. We will attempt to answer as many as possible during the meeting. Others will be addressed in writing. Receiving Waters:  Receiving Waters Lake Michigan – Lake Michigan is the receiving water for Outfalls 035, 037, 039, and 041. Grand Calumet River – The Grand Calumet River is the receiving water for Outfalls 005, 010, 015, 017, 018, 019, 020, 021, 023, 026, 028, 030, 032, 033, and 034. Stockton Pond – Stockton Pond is the receiving water for Outfall 040. Lake Michigan:  Lake Michigan Lake Michigan is designated as an outstanding state resource water, Lake Michigan is also designated for full-body contact recreation and must be capable of supporting a well-balanced warm water aquatic community. The Indiana portion of the open waters of Lake Michigan is designated as salmonid waters and shall be capable of supporting a salmonid fishery. Grand Calumet River:  Grand Calumet River The Grand Calumet River is a tributary to an OSRW (Lake Michigan) and is also designated for full-body contact recreation and must be capable of supporting a well-balanced warm water aquatic community. Stockton Pond:  Stockton Pond Stockton Pond is classified for full-body contact recreation and well-balanced, warm water aquatic community. These water bodies are identified as waters of the state within the Great Lakes system. They are subject to the water quality standards specific to Great Lakes system dischargers as found in 327 IAC 2-1.5, 327 IAC 5-1.5, and 327 IAC 5-2. Grand Calumet Dredge :  Grand Calumet Dredge U.S. Steel received a separate permit in 2001 for discharges related to the Dredging of the Grand Calumet River. The dredging removed more than 687,000 cubic yards of contaminated sediment. This sediment was a continuous source of toxics into the water column. The contaminated sediment in the Grand Calumet is considered legacy contamination, meaning it was deposited prior to the inception of the Clean Water Act. Facility Description:  Facility Description The United States Steel Gary Works Facility is the largest fully integrated steel mill in North America, with capacity to produce over 8 million tons of raw steel per year. Intermediate and final products include coke, sinter, iron, raw steel, cast steel, plate, hot strip, cold rolled strip and coated steels. History:  History United States Steel has been producing steel at the Gary Works Facility since 1909. The Clean Water Act became law in 1972. U. S. Steel would have received their first NPDES permit after 1972. U.S. Steel 1994 Permit :  U.S. Steel 1994 Permit The most recent U.S. Steel-Gary Works Permit was issued in October of 1994 with an expiration date of August 31, 1999. Since the renewal application was received prior to the expiration date of the permit, it is currently administratively extended per 327 IAC 5-2-6. Modifications to the 1994 Permit.:  Modifications to the 1994 Permit. The permit was modified in 1996, 1997, 1998, and 1999. This administratively extended permit including all of the above modifications will remain in effect until a renewed permit becomes effective. Permit Development :  Permit Development U.S. Steel falls under two Federal Categories: 40 CFR Part 420 – Iron and Steel Manufacturing and 40 CFR 433 Metal Finishing. Limits are production based and were calculated in mass (lbs/day). Water Quality Based Effluent Limits are derived by the Office of Water Quality’s Technical Support Section and are based upon the rules found in 327 IAC 2 and 327 IAC 5. Permit Development (Cont.):  Permit Development (Cont.) Water Quality Based Effluent Limits are required if there is reasonable potential to exceed water quality criteria. These requirements are found in 327 IAC 5. Water Quality Based Limits take into consideration stream flow, discharge flows, hardness, pH, and stream background concentrations. Limits are determined in both concentration and mass. Permit limits are developed specific to each water body and discharge point by comparing the federal effluent guidelines, water quality based, and previous permit limits. The limits in the permit are the most stringent of the three. Brief Discussion of the Outfalls.:  Brief Discussion of the Outfalls. This permit removes outfalls no longer discharging: Outfalls 001, 003, 004, and 007. Outfall 036 has been re-permitted to the International Steel Group through a previous permitting action. This outfall discharges non-contact cooling water, storm water, and steam condensate. The main outfalls that contain process water discharges are Outfalls 005, 010, 028/030, and 034. These outfalls all discharge to the Grand Calumet River. Limits are assessed based upon the more stringent water quality, technology, or existing limits. Outfalls 035, 037, 039, and 041.:  Outfalls 035, 037, 039, and 041. These are predominately non-contact cooling water outfalls that discharge to Lake Michigan. Minor discharge of steam condensate and storm water may be commingled with the non-contact cooling water. The main parameter of concern is the thermal impact to Lake Michigan. Besides thermal requirements, the permit contains limits for total residual chlorine and pH. Other monitoring requirements exist at each outfall. Other permitted Outfalls :  Other permitted Outfalls Outfalls 015, 017, 018, 019, 020, 021, 032, and 033 – Mainly non-contact cooling and storm water. Outfall 023 – air compressor condensate and storm water. Eight separate storm water outfalls are permitted in Part I.J. of the Permit. Other Permit Conditions:  Other Permit Conditions Pollutant Minimization Program (PMP) Part I.G. Storm Water Monitoring Requirements, Part I.J. Storm Water Pollution Prevention Plan, Part I.K. Whole Effluent Toxicity Limitations, Part I.L. Reporting Requirements for solvents, degreasing agents, rolling oils, water treatment chemicals and biocides., Part I.M. Toxic Organic Pollutant Management Plan, Part I.N. Visible Oil Corrective Action Monitoring Plan, Part I.O. Zebra Mussel Control and Chlorination, Part I.P. This Permit Will When Issued:  This Permit Will When Issued Add Mercury Limits at several outfalls that exhibited reasonable potential to exceed water quality criteria. Add Numeric Limits for Whole Effluent Toxicity. Require Temperature limits at three points on the Grand Calumet instead of two. Update the whole permit to the Great Lakes Initiative Requirements. Submit your Questions & Comments:  Submit your Questions & Comments Please complete the forms provided to submit your questions and comments. When completed, submit the forms to a member of IDEM. Questions will be addressed this evening, if possible. All comments will be considered in the final permit decision. Questions? & Comments:  Questions? & Comments IDEM will now answer questions about the Draft NPDES Permit. Comments that you want IDEM to consider in the final permit decision should be submitted in writing to: IDEM - Office of Water Quality Industrial NPDES Permits Section Attention: Mr. Stan Rigney MC 65-42 IGCN Room 1255 100 North Senate Avenue Indianapolis, IN 46204-2251

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