2016-05-20_INSPECTION - M1983194

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PERMIT #: M-1983-194 INSPECTOR’S INITIALS: THM INSPECTION DATE: May 4, 2016 Page 2 of 4 OBSERVATIONS This partial inspection was conducted by the Colorado Division of Reclamation, Mining and Safety in response to a Technical Revision request provided by Natural Soda, Inc. on April 26, 2016. The proposed 15HH – SSMW (Subsurface Subsidence Monitoring Well) was discussed and observed during the inspection. Kirk Daehling of Natural Soda and Jerry Daub of Daub and Associates were both present during the inspection. The 15HH – SSMW is located on a reclaimed but previously disturbed 4-3H well pad which is adjacent to the 8H pad. The proposed access road will access the 4-3H pad from the 8H Pad. The recently constructed pad location for well pairs 15H, 16H and 17H was observed during the inspection. The pad was constructed in a terrace fashion. Gravel was placed on the pads. The access for the pad also stems off of the 8H Pad. The access road crosses a few significant drainages. The drainage crossings appeared to be well constructed and had what appeared to be adequate rip rap placed to minimize erosional impacts to the structures and drainage. It was observed that the overall condition of the plant and well pad areas were free of any unecessary debris. Mr. Daehling stated that one of the goals for Natural Soda is to clean up all unused debris. The DRMS sees this as a good house keeping practice and an overall good mining ethic. No off-site damage was observed during the inspection. No problems or possible violations were observed during the inspection. Photos of the conditions observed during the inspection are located at the end of this inspection report. If you need more information regarding this inspection report please contact Travis Marshall in the DRMS Grand Junction Field Office at (970) 241-2042.