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R Page 1 of 4 <br /> Ted Tasiopoulos [EH] <br /> From: Ted Tasiopoulos [EH] <br /> Sent: Wednesday, November 10, 2004 11:48 AM <br /> To: 'Jay_Kamine@URSCorp.com' <br /> Subject: FW: Sting Resistivity Survey for Landfill Delineation <br /> Hello Jay, <br /> Found this bit of information interesting and wanted to share it. Talk to you soon. <br /> Ted <br /> -----Original Message----- <br /> From: Macanas, John [mailto:]Macanas@CIWMB.ca.gov] <br /> Sent: Wednesday, November 10, 2004 9:00 AM <br /> To: Robert McClellon [EH]; Frank Girardi [EH]; Ted Tasiopoulos [EH] <br /> Subject: FW: Sting Resistivity Survey for Landfill Delineation <br /> Robert and Frank, <br /> The email below is from Patrick Lehrmann, who is a principal for Southwest Geophysics, Inc. He had email this info to us <br /> as a matter of FYI. Anyway, I think in some cases a nonintrusive technique such as this for investigating a landfill might be <br /> effective assisting to determine what type of wastes might be present(see the fourth graphic depicted). Maybe this <br /> technique could be useful in investigating the World Enterprise Site to determine if something other than inert, C&D <br /> wastes are present. <br /> Maybe there are local companies that utilize this type of investigation. <br /> Mac <br /> CIWMB/CIA Section <br /> (916) 341-6722 <br /> From: Patrick Lehrmann [mailto:plehrmann@southwestgeophysics.com] <br /> Sent: Thursday, September 16, 2004 5:12 PM <br /> To: Martinez-Centeno, Abel; Owen, Dawn; Macanas, John; Young, Glenn <br /> Subject: Sting Resistivity Survey for Landfill Delineation <br /> Hi Guys, <br /> Hans van de Vrugt and I just started our own geophysical firm called Southwest Geophysics. We are still working closely <br /> with Ninyo &Moore, however, this gives us the freedom to focus on strictly geophysics. I just wanted to let you know the <br /> news, and send you our latest technical email. <br /> Hope you are all doing well. Is Glen back in the States? <br /> Cheers, <br /> Patrick <br /> Recently, we were asked to conduct a high resolution resistivity survey to determine depth to bottom of fill and <br /> landfill areas at a huge Brownfield project in Arizona. Profiles were conducted at areas of suspected debris <br /> landfills and areas of uncompacted fills to compliment proposed environmental and geotechnical drill sites. The <br /> native formation at the site was an electrically resistive conglomerate. <br /> 12/7/2004 <br />