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<br />1 <br /> <br />1 <br />1 <br /> <br />1 <br />Mule Creek Gravel Pit ~ironmental Assessment • Page 30 <br />Table 3.2. -Teller Coun Air Quali Monitors for Res irable Particulate Matter (PMIO) <br /> 24-Hour values Annml <br /> <br />Yeor <br />q Observations <br />I' Maximum <br />2ie Muimum <br />3'~ Maximum <br />4° Maximum <br />N Exceed Mean <br />1994 l2 a 139 l22 83 54 0 57.2 <br />1995 96 306 266 214 204 6 51.5 <br />1996 316 235 195 158 157 4 39.1 <br />1997 228 135 12I 120 I11 0 39.9 <br />1998 249 139 124 120 109 0 41.0 <br />1999 103 90 78 72 56_ 0 28.3 <br />Note: shaded azeas indicate violation of NAAQS standards. <br />' (a) October through December. <br />(b) Data as oCJuly 30, 1949 (excludes January and February) <br />' Due to the distance between the proposed project site and the air quality monitoring <br />station in Teller County, it has not been possible to quantify the cturent levels of air <br />pollution. Potential current sources of air pollution at the site are limited to the highway <br />' traffic. Traffic levels are expected to be higher during the summer months as a result of <br />recreation activities in the area. <br />' 3.1.1.6 Noise <br />Noise is defined as sound that is loud, disagreeable or unwanted. Besides being a <br />' nuisance, it can, under some circumstances, create health and safety hazards. For <br />example, long-term exposure to high levels of constmction or traffic noise can be <br />damaging to unprotected individuals. Increasingly, there is an aesthetic component to the <br />' concern about noise, especially in rural or recreational settings. Noise can also have <br />detrimental effects on the presence or movements of wildlife species. <br />1 <br /> <br />1 <br /> <br />1 <br /> <br />Noise in the proposed project area comes primarily from existing traffic on Highway 67. <br />Monthly tral~ic count information from the Colorado Department of Transportation <br />(CDOT) for the period 1991 - 1999 indicate that traffic levels on Highway 67 (North <br />section of Hwy 67, south of the intersection with Hwy 24) have been increasing <br />considerably since 1992 (most likely related to the gambling legalization in Cripple <br />Creek in 1992). Traffic levels have stabilized and even decreased slightly since 1998. <br />Average monthly counts for 1998 are 5631 vehicles. <br />Due to the lack of important urban areas or other azeas of interest between Divide and the <br />proposed site, we can assume that the great majority of the traffic using Highway 67 in <br />the section described above will either be coming to or going from Mueller State Pazk or <br />areas south of the gravel pit site. As the distance between the entrance to Mueller State <br />Hydrosphcrc Resource ConsullanLS, 1002 Walnut Suite 200, Boulder, CO 80302 <br />