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John Alaniz [EH] <br /> From: Azevedo, Steve <Steve.Azevedo@kniferiver.com> <br /> Sent: Friday, October 12, 2018 1:14 PM <br /> To: John Alaniz [EH] <br /> Cc: Coleman, Lance <br /> Subject: RE: questions on waste <br /> John, <br /> Sorry for the delay. Please see our response below. We will be sending you a status update on all items shortly. <br /> Steve Azevedo <br /> From:John Alaniz [EH] [mailto:jalanizl@sjcehd.com] <br /> Sent:Tuesday, October 9, 2018 4:03 PM <br /> To: Coleman, Lance<Lance.Coleman@pacificnorthwestoil.com> <br /> Cc:Azevedo, Steve<Steve.Azevedo@kniferiver.com> <br /> Subject: questions on waste <br /> ** WARNING: EXTERNAL SENDER. NEVER click links or open attachments without positive sender verification <br /> of purpose. DO NOT provide your user ID or password on sites or forms linked from this email. ** <br /> Hello Lance, <br /> I had a couple of follow up questions regarding the asphalt and the butanol latex. <br /> For the asphalt: <br /> You mentioned that there is some non-recoverable asphalt that gets taken to Forward Landfill as a designated waste. <br /> What makes the asphalt non-recoverable? This material comes from drippings from trucks,truck maintenance, and <br /> general yard cleanup. There is no asphalt plant at this site where it can be recycled into an asphalt concrete mix. Once <br /> the asphalt cement becomes contaminated with soil, rocks,fabric, etc.,we can longer use it at this facility. <br /> Why does it have to be taken out as a designated waste? We ship this out as a special waste since we do not want to <br /> put this material in the regular trash and since we want to let the landfill know the contents. <br /> Was any testing done on the asphalt for the waste profile? No <br /> How much waste asphalt is generated a month?Varies up to 20-30 cubic yards per year. <br /> For the butanol latex: <br /> As discussed over the phone,the determination has to be made at the point of generation. There are some concerns <br /> with the material before it is dried out. The SDS does not appear to be a complete hazardous waste determination (ie: <br /> fish toxicity was not covered). <br /> How was a complete waste determination made? Due to the cost of performing a fish bioassay relative to the disposal <br /> cost, we now plan to ship this off as hazardous waste. <br /> Is there material added to the product before it is used or becomes a waste? It is mixed with asphalt before it is <br /> used. Nothing is added prior to becoming a waste. <br /> How much butanol latex waste is generated per month? 5 pounds on average. We did not use any this year. What you <br /> witnessed is what we cleaned out of the tank and totes when is basically solidifies. <br /> Thank You <br /> John Alaniz <br /> i <br />