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PART F (Cont'd) <br /> F5. Wastewater Strength ,Estimates - Enter the average annual and maximum wastewater strength for this <br /> building for each of the following elements of wastewater strength for the period covered by the Permit. <br /> ANY SIGNIFICANT DEVIATION FROM THESE VALUES CAN RESULT IN TERMINATION OF THE PERMIT. <br /> ELEMENTS OF WASTEWATEi STRENGTH UNIT CODE MAX. DAILY 7 DAY AVG. 30 DAY AVG. <br /> Suspended Solids I mg/1 TSS <br /> Total Chemical Oxygen Demand mg/1 CODT <br /> Filtered Chem. Oxygen Demand mg/1 CODF <br /> Oil and Grease i m /1 O&GT <br /> Chlorine Demand See Instructions mg/1 CL2D <br /> Biochemical Oxygen Demand mg/1 BOD <br /> Total Organic Carbon mg/1 TOC <br /> Total Disolved Solids mg/1 TDS <br /> If data from a commercial labo atory was used to determine the values, please give the name and address of the laboratory. <br /> Name Address Zip <br /> F6. Pollution Abatement Practices <br /> a. Wastewater Pretreatment - Check the type of treatment, if any, given wastewater from this building sewer before it is <br /> discharged to the community sewer: <br /> ❑ none, ❑ holding tank, ❑ grease trap, ❑ oil and water separator, ❑ grinding, li� sedimentation, <br /> t pH adjustment, ❑ biological treatment, K chlorination, or ❑ other. <br /> Description: <br /> Describe the loading rates, deign capacity, physical size, etc. of each pretreatment facility checked above. <br /> The Pretreatment ouipment at this location is of a I. e , trar.zTi:� �,_nci <br /> A ssociates desi,-n4 i't' wash stream consist of rinse water, drat, olut. <br /> anal Clearers . T�,e Waste streams are individ,iall 1 J1 Pd from the rntt„r- <br /> tion departments Jin h,,; 1 dins 1008 1�gQiirecti�ta t���,��±reat . <br /> T of th _ three w4ste s .r ams , cyanide and chromium drag out are piped <br /> thrnugh gpnarat . fb ,r i n .h line into a cyanide sump and a chromium acid <br /> sump. The cleanersIand heavy metals , opnPr and nickel are piped <br /> through a six inchiline into.-a heavy metal sump. This is the beginning <br /> of pretreatment process. The attached diagram shows the pretreatment <br /> processes ith yellow indicating the waste stream, pink indicating the <br /> treatment process 4nd blue indicating the processed water to be placed <br /> into the sewer sy tem. <br /> b. Planning Wastewater Pretreatment Improvements - Describe any changes in treatment or disposal methods planned or <br /> upder construction for the wastewater carried by this building sewer. <br /> None under construction at present , <br /> i <br /> l <br /> F7. Stormwater Area <br /> Total Area in square feet expos d to storm water and draining to this building sewer: <br /> 21 ' x 66' = 1386sq are feet. Note : Roof run-off only. <br /> INSTRUCTIONS — SEE ON BACK <br /> MUD 1329B Page 2 of 2 <br />