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Burns Figa&Will 3 <br /> September 5,2023 <br /> Step 7: Water Quality <br /> Surface and groundwater quality have been monitored and will continue to be monitored as <br /> required by law. Baseline water quality has been determined and will be used as the basis of <br /> maintaining (or improving) downstream water quality. Water requirements at the facility will be <br /> minimal (daily water consumption will be about 28,000 gallons/day or 3,750 cubic feet per day) <br /> and will likely be purchased from Parkville water. <br /> Permit Overview <br /> The land East of the neighboring properties has been zoned for Industrial and Mining activities <br /> for many years and maintains this zoning today. The Mill was permitted and constructed around <br /> 1990. The permit is still active(State-CDRMS M1990-057and Lake County CUP File 11-07). The <br /> mill is currently permitted to process material using flotation methods, which do not require the <br /> use of cyanide. However, the mine dumps considered for remediation require the responsible <br /> use of cyanide. The permit amendment application currently under consideration by CDRMS is <br /> to amend the existing permit to allow the use of cyanide. If the application to amend the permit <br /> is not approved, CJK will look at options to operate the mill using its currently approved and <br /> permitted process technology. <br /> • A tailings pile, moved from the front of the mill building to the back of the mill building (and <br /> now much closer to a residence) is supposed to be covered at all times. The covering <br /> appears to be plastic and is held down by old tires. This material degrades from weather <br /> and sun. Already the material degraded and left the soil underneath exposed last year. <br /> This was not remedied by the mill for at least a week or longer as they do not apparently <br /> inspect this area on a regular basis. The covering is again coming off that same pile and <br /> has not been attended to yet. As of April 3 there ae 2 tears. The observing resident <br /> apparently must notify the mill or the Building Department to get that taken care of. This <br /> does not instill confidence that they will be diligent with other safety measures. <br /> The historic tailings were placed in the upper area to allow the construction of the Emergency <br /> Containment Sump (ECS), and a temporary cover was placed over this material. The cover was <br /> damaged due to a high wind storm event, and has been repaired and inspected by CDRMS. <br /> During operations, there will be no open storage of materials. RoM will be delivered and stored <br /> in a covered (3-sides and roof) concrete bunker below the upper road. The RoM pile will not be <br /> visible by the neighbors. <br /> • The lined Emergency Pond [ECS] that is a deep, open pit for storage of waste is of <br /> concern in that wildlife could drink from this water source and it is possible someone could <br /> fall into it. In most communities, swimming pools must be fenced to ensure no children or <br /> pets, or nuisance visitors can gain access. Yet right next to 3 residences there is this open <br /> pit that may hold some contaminated water and likely will become deeper over time. <br /> See Step 5 above. The ECS will only store fresh water. Construction of the ECS is completed. <br /> This facility will remain in this current configuration and will not be expanded. Also, the ECS will <br /> be enclosed with an 8-ft high game fence (as well as other additions to protect wildlife) as <br /> mandated by the Colorado Department of Natural Resources prior to commencement of <br /> operations. The mill property is fenced and posted no trespassing. Trespassers (nuisance <br /> visitors)will be reported to law enforcement. <br />