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'y-:- <br />94 BRAUN <br />INTERTEC <br />'SEP 1 5 1924 <br />irmiii tnfftNC Cmpmrm^mn <br />] 345 ?slorfhlofHi D hvr <br />MeodofQ HetghH, MinoRSOlO 5512^' ^ *4 <br />6l24>a3-e700 Fo* 683 8888 <br />Engrn^mrs and Sc>entt$t% 5ervif»g <br />rt>0 Bwh and Noft-^oi fnvi/onmcnfs' <br />g- <br />September 14, 1994 r Project No. CMKX-93-OI63 <br />I <br />Nfr. John Gerhardson <br />City of Orono Public Works Department <br />P.O. Box 66 <br />Crystal Bay, MN 55323 <br />Dear Mr. Gerhardson: <br />Re: Cost Estimate for Additional Work: Remedial Investigation and Long-Term Monitor’mg, <br />City of Orono Property, 1285 Brown Road South, MPCA Leak #00006933 <br />Thank you for contacting Braun Intertec Corporation (Braun Intertec) regarding the addUionjil <br />site investigation activities to be conducted at the referenced site. Per our meeting on <br />September 7, 1994, Braun Intertec has prepared the attached cost estimate for additioi^ work <br />in support of the remedial investigation and costs for long-term monitoring. Seven soil <br />borings and four monitoring wells were previously installed at this site during November and <br />December 1993 and April 1994. Groundwater samples were collected from the si e <br />monitoring wells in May and July 1994. Per the findings of the groundwater chemical <br />analyses of July 1994 in groundwater sampled from monitoring welt MW-4, further work will <br />be required to evaluate the extent of groundwater contamination. <br />Please refer to the attached cost estimate and work plan for the scope and methods of the <br />additional remedial investigation and long-term groundwater monitoring. If you have any <br />questions, please contact Greg Browne at (612) 683-8866. <br />Sincerely, <br />Gregofy S. Browne <br />Prpjpct blanager. Hydrogeologist <br />Ead W. Windahl <br />Supervisor, Remedial Services Section <br />Attachment:Work Plan and Cost Estimate <br />General Conditions (8/93) <br />f <br />f:\wpfac»\cmkx\93-0I63\0l63.P03