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1 <br />Alaniz, John [EHD] <br />From:Steve DCS <dcs1inc@sbcglobal.net> <br />Sent:Monday, May 24, 2021 2:04 PMTo:Alaniz, John [EHD]Subject:Re: HW OPEN vioaltionsAttachments:Clean Earth receipt 5-5-21.jpeg <br />CAUTION: This email is originated from outside of the organization. Do not click links or open attachments unless you recognize the <br />sender and know the content is safe. <br /> <br />John, <br /> <br />Attached please find the receipt from Clean Earth of our last drop off on May 5, 2021. Next month we will be taking some <br />of the sand. The Thorogrip is a powder concrete anchor material that we mix with water and it sets up to anchor bolts in <br />concrete. My foreman tells me he still uses it when needed. It is not a liquid. <br /> <br />Thanks, <br /> <br /> <br />Steven M. Jones <br /> <br />Diversified Construction Services, Inc. <br />5565 S El Dorado St <br />French Camp, Ca 95231 <br /> <br />(209) 982-5000 Office <br />(916) 878-6434 Cell <br /> <br /> <br />On Thursday, April 15, 2021, 09:23:48 AM PDT, Alaniz, John [EHD] <jalaniz1@sjgov.org> wrote: <br /> <br /> <br />Hi Steve, <br /> <br />Thank you for the reply and update. <br />The reason there was a concern with the sand is because there could be heavy metal contamination. Sand <br />blast waste is often handled as hazardous waste because of this (ie lead, chromium, zinc…). If metal was <br />sandblasted, then a determination will need to be made on it. I do know that the HHW facility takes it. <br /> <br />A formal letter is not necessary. Email is ok. <br />If you have any other questions, please let me know. <br /> <br />Respectfully,