Laserfiche WebLink
Table 15 <br />Carbon Monoxide Concentrations <br />Adjacent to Nearby Roadways <br />No- Project <br />With Project' <br />!-Hour Average (ppm) <br />Nearest <br />Nearest <br />Receptor Distances' (feet) <br />-------------------------------------------- <br />Receptor 150 <br />200 <br />Receptor 150 <br />200 <br />-------------------------------------------- <br />1987 CONDITIONS <br />Bristol Street3 at <br />- Memory Lane <br />2.7 2.7 <br />1.9 <br />- <br />- Seventeenth Street <br />3.0 1.7 <br />1.0 <br />- <br />- First Street <br />3.4 2.6 <br />1.8 <br />- <br />- Warner Avenue <br />2.2 2.2 <br />1.5 <br />Background Concentration <br />-------------------------------------------- <br />18.0 18.0 <br />18.0 <br />-------------------------------------------- <br />2006 CONDITIONS <br />Bristol Street' at <br />Memory lane <br />3.7 3.7 <br />2.5 <br />1.8 <br />1.8 <br />1.3 <br />Seventeenth Street <br />4.6 2.6 <br />1.6 <br />1.8 <br />1.0 <br />0.6 <br />First Street <br />3.9 3.2 <br />2.3 <br />2.0 <br />1.8 <br />1.4 <br />Warner Avenue <br />2.7 2.7 <br />1.9 <br />1.9 <br />1.9 <br />1.3 <br />Background Concentration <br />14.6 14.6 <br />14.6 <br />14.6 <br />14.6 <br />14.6 <br />No- Project <br />With Project <br />8 -Hour Average (ppm) <br />Nearest <br />Nearest <br />Receptor Distances' (feet) <br />-------------------------------------- <br />Receptor 150 <br />200 <br />Receptor 150 <br />- - - - <br />200 <br />-- <br />-------------------------------------------- <br />1987 CONDITIONS <br />Bristol Street' at <br />- Memory Lane <br />1.2 1.2 <br />0.9 <br />- Seventeenth Street <br />1.1 0.7 <br />0.5 <br />- First Street <br />1.5 1.2 <br />0.9 <br />- Warner Avenue <br />1.0 1.0 <br />0.8 <br />Background Concentration <br />-------------------------------------------- <br />11.7 11.7 <br />11.7 <br />-------------------------------------------- <br />2006 CONDITIONS <br />Bristol Street' at <br />- Memory lane <br />1.5 1.5 <br />1.1 <br />0.8 <br />0.8 <br />0.6 <br />- Seventeenth Street <br />1.7 1.1 <br />0.8 <br />0.7 <br />0.4 <br />0.3 <br />- First Street <br />1.6 1.4 <br />1.1 <br />1.0 <br />0.8 <br />0.7 <br />- Warner Avenue <br />1.2 1.2 <br />0.9 <br />0.9 <br />0.9 <br />0.6 <br />Background Concentration <br />9.5 9.5 <br />9.5 <br />9.5 <br />9.5 <br />9.5 <br />' "With Project" values are <br />identical for all three <br />alternatives. <br />' Receptor distances are measured from the roadway centerline. <br />3 All concentrations include roadway contributions only and <br />do not <br />include the <br />background levels noted <br />(which must be added to determine state <br />and federal <br />standard exceedances). <br />Source: Endo Engineering <br />75C -150 <br />IV -15 <br />