2022-07-18_PERMIT FILE - M2022018

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t .S' South Hinsdale Response to Objections 12 July 2022 worse"would be washed and that the primary method of consumption is evaporation from the system and washed materials. The 200-400 gallon per ton (cited by Mr. Dilione) varies so much because of environmental conditions (humidity, available moisture in material being washed, etc.) and how wash water is recirculated(recycled) and handled, including lined or unlined basins, infiltration, evaporation and other factors. The 10 gallon per ton factor is based on loss (through consumptive use) of water through evaporation: water used for dust control, washing, or other uses that infiltrates or can be recycled is not part of that factor. County Specific Comment 20) Mr. Dilione specifically addresses the traffic that might be associated with the South Hinsdale Gravel Pit accepting "crushed Portland cement concrete [PCC], cured asphaltic cement [concrete] [ACC), and rock raw material to be brough[sic] in from offsite [sic] for crushing" in his County Specific Comment 20). Response: This is a common provision in WASTELINE's applications for construction materials applications in Colorado and other States and is addressing a specific DBMS requirement to identify such activities on mining sites, not just for the valuable practice of recycling construction materials (thus reducing the demand for virgin materials) but also when used for reclamation, such as backfill, armoring of drainageways, and stabilization of slopes. The acceptance of rubble, whatever use is made, is also an important service that most mine operators provide to their customers— and therefore to their customers'customers and users. Such haul of materials to be reused/recycled saves fuel, time, other costs, and environmental impact. Here in the South End and the northern portion of Archuleta County, presently the PCC/ACC construction and demolition debris must be disposed of at the Archuleta County Landfill several miles South of Pagosa Springs, and accessible only by driving through the town itself. In addition to the tipping fees and transportation costs, there is the traffic impact on 101h Street and Trujillo Road and SH-160. Thus it is a significant savings to contractors and haulers — and therefore to their customers. Unfortunately, some people try to save money by illicitly and improperly dumping such materials in a ravine, on a road ditch, or elsewhere, creating environmental problems and creating unsightly problems. Even if a landowner decides the debris can be disposed of on their own property (in accordance with State and County requirements), the cost of properly doing so is much less than taking them to a gravel pit to use in reclamation or reprocess into construction materials. Most such material is a "backhaul"for the same dump trucks which would come to the pit to obtain construction materials — so there is little if any increase in traffic to a pit. There will, of course, be at least some "delivery-only" trips but these generally are very few (usually less than 1% of other traffic) and only during short periods of time for special and specific projects. This service does NOT make the pit into a landfill: DRMS and CDPHE are very strict on what may be allowed and inspections necessary for material to be accepted. For the ranchers, businesses, and residents of the South End, the cost savings from hauling as much as 60 miles round-trip combined with the environmental benefits of recycling and reuse, make this a clear benefit to the people and the community. Again, we thank Mr. Dilione for his diligence and attention to detail, and his efforts in improving our applications and the project overall. We believe we have answered all of his errors, concerns, and objections, here or in Sections 3 and 5. 5182-22-003 WASTELINE, INC. Page 59 of 107