Industrial Wastewater Permit - Honeywell International Inc.

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1 Honeywell International Industrial Discharge Permit dedicated to the discharge from these two units. Honeywell does not commingle or dilute categorically regulated wastewaters with wastewaters from DI Units 1 and 2, since Units 1 and 2 purify City water and are subject to local limits only. Note, that the regenerate from DI Units 1 and 2 is stored in a dedicated tank until Honeywell’s internal testing results show that it meets permit limits for discharge. By moving the discharge point from Outfall #002, Honeywell has removed the potential for dilution of categorical waste. There is no monitoring requirement for the DI regenerate from Units 1 and 2, as long as they purify City water only, since the mass of pollutants in this water is the same as it would be if the water went directly from the tap to sewer. Wastewater Treatment Plant pretreats the tank dumps, rinse tank dumps, nitric acid dialysis process wastewater, belt washer wastewater, and sulfuric acid dialysis process wastewater, and other miscellaneous wastewater, all of which may or may not be treated, as needed, to meet permit limits. Wastewater from cleaning coolant reservoirs on machining centers, cleaning activities of pits beneath machining centers, the belt washer, Dense Line and wastewaters from ETS’s salvage pits which may contain jet fuel, may be treated by means of a microfiltration treatment system, flow equalization, and grease and oil separation. Some waters from the Local Etch process and the Anodize Line Rinse Tanks may go directly to the city sewer, unless Honeywell’s analysis of the wastewater demonstrates a need for treatment. If treatment is required, the wastewater will be transferred to the wastewater treatment plant for treatment to meet permit limits. Honeywell does not commingle or dilute categorically regulated wastewaters with wastewater that is not categorically regulated. Outfall 005 is located on the Zyglo Line in Plant 12. Only wastewater from the Zyglo process is discharged through Site 005. Wastewater discharged from this Outfall is subject to the Metal Finishing Categorical Standards at 40 CFR 433.15. Therefore, the more stringent of limits found in either the Metal Finishing Categorical Standards found at 40 CFR 433.15 or Chapter 17 of the City of South Bend Municipal Code have been applied without modification. Zyglo, a fluorescent dye penetrant, is sprayed on a part to be tested. The excess Zyglo material then drips into a collection trough at the bottom of the spray chamber. The Zyglo material is then rinsed off at the end of the process and that liquid drips into a collection trough at the bottom of that spray chamber. Both troughs discharge through a 4-inch drain that is connected directly to the sewer. Outfall 005 discharges continuously when the Zyglo Line is operating. Discharge from Outfall #002 averages about 2400 gpd with a maximum of 6,000 gpd and Outfall #005 averages 4760 gpd, with a maximum of 17,000 gpd. 3. Sample Site Description Note: Pretreatment personnel will be escorted to all sampling sites by a Honeywell employee. Sample Site # 002 is located in Plant 12A. Sample site # 002 is used to discharge batches of wastewater and does not discharge continuously. Composite samples and grab samples will be collected from the final drain pipe where wastewater is discharged to the sewer system. See Figure 2 below. Sample Site 005 is located in plant 12 and is incorporated into the Zyglo Station. Samples are collected from a valve, i.e. sampling port, in the discharge line. Discharge is continuous through Sample Site 005 when the Zyglo Line is operating. See Figure 6 below.