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RE:TThule Towing Systems Page 3 of 5 <br /> server:2202463:TPP1otPlanThule_5-08.pdE <br /> Hello Aris, <br /> I just left a message on your voicemail ... <br /> We spoke in early June and you were going to discuss the <br /> project with your supervisor and I was going to get you a <br /> more thorough description of the process (below) and a <br /> drawing(attached). <br /> Please give me a call and let's discuss at your earliest <br /> convenience. <br /> I am usually in from 8:30 am to 3:00 pm ... I expect that is <br /> exactly when you are OUT -but I hope we can connect. I <br /> will stay later than 3:00 if I know we can talk. <br /> Waste generating process: <br /> Our rinse stations in our washer area of the paint line are <br /> Stages (tanks) 2, 4, S and 7; each rinse tank was tested <br /> separately. There are a total of 8 stages in the paint line and <br /> are asfollows: <br /> Stage 1 is Potassium hydroxide for cleaning the oils and dirt <br /> off of the parts; it is a spray wash heated to 170 degrees and <br /> is changed out 3 to 4 times per year. It is pumped into totes <br /> than hauled offsite by Advanced Chemical Treatment. <br /> Stage 2 pre rinse 1 and post rinse 2 is a rinse tank filled with <br /> City-supplied water; the pre rinse and post rinse are spray <br /> washes that are supplied by the stage 2 spray wash pump and <br /> drain back into the tank. We change this tank out on a weekly <br /> basis and refill with City water. <br /> Stage 3 is a Citric Acid spray wash for removing scale and <br /> carbon from the parts; it is heated to 170 degrees and is <br /> changed out on a monthly basis,pumped into totes and <br /> hauled offsite by Advanced Chemical Treatment. <br /> Stage 4 pre rinse 1 and post rinse 2 is a rinse tank filled with <br /> City water that is a spray wash like stage 2 tank; it is drained <br /> and refilled on a weekly basis. <br /> 9/8/2009 <br />