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~~ • • <br />Task 3. <br />A. Sampling Oversight <br />1. The trips to the San Luis facility will be <br />undertaken at the direction of the DMG in <br />accordance with the MOU. The company wyll receive <br />notification of the visit from the DMG ~s required <br />by the MOU. The first sampling trip wil} include a <br />site tour to familiari2e the third-party sampler <br />with the facility and processes used at the <br />facility that may affect sample concentrations <br />and/or collection. The site tour may' include a <br />brief tour of the open pits, the waste rock and <br />tailings disposal areas, the benefic$ation and <br />processing units, and any other relevant units or <br />areas at the facility. The third-party sampler <br />will provide transportation from the point of <br />origination (in this case, Boulder, Colorado) to <br />the Battle Mountain-San Luis facilit~ and the <br />analytical laboratory. Prior to arrivang at the <br />facility on each sampling date, the ~hird-party <br />sampler will pick up sampling bottles at a <br />laboratory approved and chosen by they Division. <br />Any sample preservation reagents will tie added to <br />the bottles by the laboratory before p~ck-up. An <br />environmental engineer from Battle Mountain Gold, <br />or an affiliated consultant, will actually conduct <br />the sampling, perform tests for field parameters, <br />and process the samples in the field. S mples will <br />be taken from monitoring locations de,ignated by <br />DMG in accordance with the MOU. DMG mist specify <br />the number of monitoring locations, number of <br />samples and the analytical requirements in advance <br />to ensure that an adequate number oaf prepared <br />sampling bottles are obtained. <br />2. The sampling and analytical protoco~ will be <br />defined in TR-006, an approved QA/QC protocol <br />document for the collection of surface and <br />groundwater quality data. This document prescribes <br />methods for the collection of groundwater, surface <br />water, lysimeter and process samples; for the <br />analysis of cyanide (total, WAD and fregg cyanide - <br />possible maximum free cyanide by diffe$ence); for <br />field quality control, and for other crucial <br />aspects of sample collection, handling and <br />analysis. For example, the groundwa er sample <br />collection protocol includes methods fo~: cleaning <br />of sampling equipment; sample containers; sample <br />collection and handling; groundwater, sampling; <br />locking wells; water levels and measure~ents; well <br />-2- <br />