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u.T T E W. <br /> We answer to you. <br /> 110 N.Rubey Dr.,Ste.201,Golden,CO 80403-2453 • Phone:(800)738-8395 Engineers <br /> E-mail:rettew@rettew.com•Website:rettew.com <br /> Environmental <br /> November 2,2016 Consultants <br /> RECEIVED Surveyors <br /> Landscape <br /> Mr.Patrick D.Maher <br /> NOV 0 8 2016 Architects <br /> Venture Resources,Inc. LIJ 9 <br /> P.O.Box 1974,2208 County Road 281 safety <br /> DIVISION OF RECLAMATIM Consultants <br /> Idaho Springs,Colorado 80452 MINING&SAFE7Y <br /> RE: Hukill Gulch Millsite, Permit#M-2009-076 <br /> Groundwater Monitoring Plan <br /> September 2016 Groundwater Monitoring Report <br /> Dear Mr.Maher, <br /> RETTEW Associates, Inc. is pleased to provide Venture Resources, Inc. with this Groundwater Sampling Report <br /> documenting groundwater monitoring activities conducted at the Hukill Gulch Mill Site located near Idaho Springs, <br /> Colorado(Site). <br /> Groundwater Monitoring Summary <br /> RETTEW conducted groundwater monitoring of the upgradient and downgradient monitoring wells on October 28 and <br /> 31,2016.The downgradient well was dry and approximately 1.5 inches of water was present in the upgradient well on <br /> October 28,2016.Approximately 120 millilitres of water was purged and submitted to ESC Lab Sciences for analysis of Al, <br /> As,Ba,Cd,Cr,Cu,Pb,Mn,Hg,Se,Ag,and Zn metals-total concentration.Results were not available within the timeframe <br /> of this report,and will be provided upon their receipt.RETTEW gauged the upgradient well again on October 31,2016 and <br /> found it to be dry.The groundwater monitoring field forms are provided as Attachment 1. <br /> Tailings Pond Observation <br /> The water level in the tailings pond has decreased by approximately four inches due to evaporation based on a comparison <br /> of the water level during the September event. <br /> We trust this letter report provides Venture Resource,Inc.with the information required.Please feel free to contact Dustin <br /> Krajewski by telephone at (303) 800-4901 or by email at dkrajewski@rettew.com if you have questions or comments <br /> regarding this cost estimate.We truly appreciate the opportunity to support Venture Resources,Inc.with this project. <br /> Sincerely, <br /> Devin Black <br /> Geoscientist <br /> Dustin E. Krajewski, PE <br /> Group Manager/Senior Engineer <br /> Enclosures: Attachment 1—Field Sampling Forms <br /> H:\Projects\10773\107732000\GS\October 2016\Hukill Gulch Report 11-02-16.docx <br />