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07-24-95 02:40PM FROM DTSC REGION I FP/S&E TO 912094640138 P007/008 <br /> verified. <br /> Given the ab information, should the ferrous sulfate crystals be <br /> sent offsite zardous waste, under manifest, to a permitted <br /> treatm i y, or is it exempted or excluded under the hazardous <br /> waste0' 'as <br /> ons? It appears the material may be excluded from <br /> regul4 a safe/effective substitute for a commercial product, under <br /> H&3C 25143.2 (d) 96) . However, my understanding is that if the crystals are <br /> sent offsite and used in a manner constituting disposal, or if they are <br /> somehow reclaimed or treated prior to use, then they would be regulated as <br /> a hazardous waste. <br /> I have attached a schematic showing the process from which the <br /> ferrous sulfate crystals are generated-Attachment 1 . Also attached are <br /> sample results taken by the facility-Attachment 2, and a copy of some of <br /> the notes from my inspection report-Attachment 3, a copy of a bill of <br /> lading under which the ferrous sulfate has been previously shipped- <br /> Attachment 4 and a copy of the page from the SIC Manual which I believe <br /> applies to this facility-Attachment 5. If you have any questions, or <br /> need additional information, please feel free to call me at (916) 255-3643. <br /> Sincerely, <br /> Tim Naprawa, HSS <br /> State Regulatory Program Division <br /> Page 2 <br />