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Inspection Report Response <br /> July 30,2018 <br /> Page 3 <br /> generally accepted medical community RDA when none is published by the NIH. The results are <br /> presented below: <br /> Leachate <br /> Concentration Liters necessary to <br /> Anal to RDA m /da m /L equal RDA <br /> Boron 3 0.227 13.2 <br /> Calcium 1,000 to 1,200 77.5 14.2 <br /> Magnesium 320 to 420 13.9 26.6 <br /> Potassium 4,700 4.28 1098.1 <br /> Silica 40 2.3 17.4 <br /> Silicon 40 1.08 37.0 <br /> Sodium 2,300 26.7 86.1 <br /> Strontium 1,000 0.864 1157.4 <br /> Based on the analytical results, potential receptors, and transport model, the leachate and <br /> subsequent groundwater does not pose a risk to human health or the environment. This also <br /> demonstrates compliance with applicable federal and Colorado water quality laws and <br /> regulations. <br /> The Realite Plus storage area is not being utilized as approved in the Mining Plan. The <br /> Operator did not construct a clay pad or stormwater containment pond as required by the <br /> Mining Plan.This is a problem pursuant to C.R.S.34-32.5-112 (1)(c)(VI)for failure to follow <br /> the Mining Plan. <br /> The area formerly known as the Realite Plus storage area, now referred to as the Product Storage <br /> area,is used to store lightweight aggregate processed with material from the quarry and coal. The <br /> storage area was developed by removing the top layer of soil, leveling approximately 7 acres. <br /> Approximately 6 acres are being utilized for product storage and approximately one acre is used <br /> for coal storage. Berms were created on the West and North sides of the product storage pile to <br /> act as a wind buffer and to control the direction of water flow. <br /> The coal is contained in the storage area by a series of berms to prevent storm water from <br /> displacing the coal. Storm water runoff from the Product Storage area runs through a series of <br /> ditches and culverts, eventually depositing the water into the quarry. TRNLWB maintains the <br /> ditches and culverts in compliance with a Storm Water Management Plan. <br /> The redi-mix plant area consists of a concrete slab (approx. 2500yd2), stockpiles, and concrete <br /> blocks. The concrete slab would need to be removed having an associated cost of$65,000. The <br /> concrete blocks can be picked up and moved at a cost of $1,000. The stockpiles can also be <br /> picked up and transported for a cost of$1,000. Once the concrete and stockpiles are removed, the <br /> roughly 4 acres can be seeded for an estimated cost of$3,000. This represents a total cost of <br /> $70,000 that will be added to the existing financial warranty. <br /> The processing plant and associated structures are not included within the permit <br /> boundary. This is a problem pursuant to C.R.S.34-32.5-116(4)(i)for failure to protect areas <br /> outside of the affected land from slides or damages occurring during the mining operation. <br /> The processing plant and associated structures are outside of the affected land included within the <br /> mining permit boundary. The processing plant and associated structures are protected from slides <br /> or damage occurred during the mining operation and reclamation activities in the area of the <br />