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The first attachment is labeled "Various Steel MSDS." This should cover the 300 series and 400 series stock. <br /> I have also attached the more specific MSDS sheets for the 420F Material that we use. I actually had this already here at <br /> the shop. I just came across it today. <br /> I hope that this information helps in clarifying our hazardous waste situation. <br /> Best Regards, <br /> Jo Anne Munoz/ Manager <br /> F & H Nozzle Specialists, Inc. <br /> 505 N. Yosemite St. <br /> Stockton, California, 95203 USA <br /> Phone: (209)464-1651 <br /> Fax: (209)464-0705 <br /> Email: fhnozzle(cDvahoo.com <br /> Web: www.fhnozzle.com <br /> On Thursday, June 25, 2020, 08:21:11 AM PDT, Backus, Garrett [EHD] <gbackus .s]gov.orq>wrote: <br /> Hi Jo Anne, <br /> The metal chips can be tested to determine the leaching potential for chromium when disposed of in a <br /> landfill. If the leaching value is less than 5 parts per million then the current Waste Management handling may <br /> be OK, although it's doubtful the value would be less than 5 parts per million since the metal % on your cert <br /> sheets is around 10%. The leaching test consists of taking a sample and extracting the metal with a weak acid <br /> solution for a few days. The acid solution is then tested to determine the chromium amount that leached out of <br /> the chips. If you'd like to see the relevant statute and regulations, I can send them to you. <br /> Businesses must look at their wastes and determine if they are hazardous wastes. F&H has not documented <br /> that determination for the metal chips. If you decide to choose the recycling option or the hazardous waste <br /> disposal option then you've made a determination without doing sampling and lab testing. The determination <br /> 3 <br />