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Eshibit 1 CMLRB 112 Permit Application <br />Agile Stone Systems, Inc. <br />• Each SCS map unit proposed for disturbance was located on the ground. Within each <br />unit, transacts were walked to determine overall map unit characteristics and to select a <br />sample point characteristic of the dominant soil of the unit. Sample points were selected <br />to represent the dominant characteristics of the soils to be disturbed. <br />At each sample point, the surface soil was evaluated to a depth between 12 to 18" or to <br />bedrock if such occurred within these depths. Soil pazameters assessed included texture, <br />percent coarse fragment content (by volume), effervescence, and pH. Below the surface <br />horizons, soils were excavated a depth of 5', bedrock, or auger refusal to determine <br />general soil depths and characteristics. General information recorded at each sample site <br />included vegetation characteristics, physiography, slope, and aspect. <br />About''/z quart of soil material was collected from the surface horizons of the major soils <br />proposed to be disturbed. Five samples (S-1 through S-5) were collected. These samples <br />were sent to the Soil and Plant Testing Laboratory on the Colorado State University <br />campus for analysis. The analyses to be completed consisted of pH, texture (field <br />method), percent organic matter, NH4 N and NOS N (ppm), phosphorus (ppm), potassium <br />(ppm), electrical conductivity (mmhos/cm) and lime estimate. <br />The following discussion is based on this site-specific analysis. Map I depicts the <br />boundaries of the salvage units discussed below. Laboratory data sheets depicting results <br />of the analysis of samples aze included at the end of this exhibit. <br />2.1 Map Uuit A Granite Quarry and Plant Area <br />Map Unit A is a convex valley/fan complex influenced by alluvial and colluvial action. <br />The lower, eroded toe slopes of Map Unit C are included in this unit due to salvage <br />considerations. Approximately 90% of this unit, where disturbance is proposed to occur, <br />consists of the soil represented by sample S-2. This soil is approximately 40" deep to a <br />hazd layer impenetrable by a hand auger. The surface 18" of this soil has a very gravelly <br />sandy clay loam texture and a pH of 8.2. The electrical conductivity of this sample is 0.4 <br />mmhos/cm. Coarse fragment, or gravel, content of the soil to this depth is estimated to <br />be 50%. Five percent of the area potentially to be disturbed consists of the soil <br />represented by sample S-1 which occurs immediately adjacent to Tallahassee Creek. <br />This soil is 60" deep and typically has a loamy sand to sandy loam texture, a pH of 8.2, <br />and an electrical conductivity of 8.0 mmhos/cm in the upper 18" of the soil profile. <br />There is less than 5% coarse fragments (gravel) throughout the profile. The remaining <br />5% of this unit consists of drainages and rock outcrops located along the foothill toe <br />slopes. <br />These soils aze suitable for salvage to a depth of 18" over 95% of the unit. The <br />remaining 5% of the unit is not overlain with salvageable soils. Due to its proximity to <br />the banks of Tallahassee Creek, the soil represented by sample point S-1 would not be <br />disturbed to any great degree. If salvaged, this soil would be sufficiently diluted to <br />eliminate the negative effects of the higher electrical conductivity value. <br />• a <br />