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I <br />TABLE 3 -4 <br />CARBON MONOXIDE CONCENTRATIONS <br />ADJACENT TO NEARBY ROADWAYS <br />- <br />1 -Hour Average (pps �s) <br />y- - -y <br />so- Project <br />- y--- - - - - -- ~ -- <br />With Projectl <br />Receptor Distance <br />Nearest <br />150 <br />200 Nearest 150 200 <br />(Feet) <br />Receptor <br />Receptor <br />3.7 3.7 <br />1987 CONDITION, <br />1.8 1.8 <br />1.3 <br />- Seventeenth Street <br />Bristol Street at <br />1.6 <br />1.a 1.0 <br />0.6 <br />- Memory Lane <br />2.7 <br />2.7 <br />1.9 - -- - -- - -- <br />- Seventeenth Street <br />310 <br />1.7 <br />1.0 - -- - -- - -- <br />- First Street <br />3.4 <br />2.6 <br />1.8 - -- - -- - -- <br />- Warner Avenue <br />2.2 <br />2.2 <br />1.5 - -- - -- - -- <br />Background Concentration 18.0 <br />18.0 <br />18.0 - -- ---- - -- <br />I 2006 CONDITION <br />Bristol Street at <br />- Memory Lane <br />3.7 3.7 <br />2.5 <br />1.8 1.8 <br />1.3 <br />- Seventeenth Street <br />4.6 2.6 <br />1.6 <br />1.a 1.0 <br />0.6 <br />- First Street <br />3.9 3.2 <br />2.3 <br />2.0 1.8 <br />1.4 <br />- Warner Avenue <br />2.7 2.7 <br />1.9 <br />1.9 1.9 <br />1.3 <br />Background Concentration <br />14.6 14.6 <br />14.6 <br />14.6 14.6 <br />14.6 <br />----------------------------------------------------------------- <br />8 -Hour Average (ppr�) <br />go-Project <br />With Project <br />Receptor Distances <br />Nearest 150 <br />200 <br />Nearest 150 <br />200 <br />(Feet) <br />Receptor <br />Receptor <br />5- SAC- �---- �--_ J-- �-- 3-------- <br />9-- S-- a------- �-- S-- S - -a -� �C� =4F =�= <br />1987 CONDITIONS <br />I Bristol Street 3 at <br />- Memory Lane <br />1.2 1.2 <br />0.9 <br />- -- - -- <br />- -- <br />- Seventeenth Street <br />1.1 0.7 <br />0.5 <br />- First Street <br />I <br />1.5 1.2 <br />0.9 <br />- -- - -- <br />- -- <br />- Warner Avenue <br />1.0 1.0 <br />0.8 <br />- -- - -- <br />- -- <br />Background Concentration <br />11.7 11.7 <br />11.7 <br />- -- - -- <br />- -- <br />r <br />{ 2006 CONDITION <br />Bristol Street at <br />- Memory Lane <br />1.5 1.5 <br />1.1 <br />0.8 0.8 <br />0.6 <br />- Seventeenth Street <br />r <br />1.7 1.1 <br />D.a <br />0.7 0.4 <br />0.3 <br />- First Street <br />1.6 1.4 <br />1.1 <br />1.0 0.8 <br />0.7 <br />- Warner Avenue <br />1.2 1.2 <br />0.9 <br />0.9 0.9 <br />0.6 <br />I Background Concentration <br />` <br />9.5----- 9.5 <br />5-- <br />9.5 <br />I. "With Project" values <br />- <br />are identical <br />- -9.5 <br />for <br />Y_- _9--- - - -9_5 <br />all three alternatives. <br />2. Receptor distances are <br />measured from the <br />roadway centerline. <br />3. All concentrations include roadway <br />contributions only and <br />do <br />not include the background levels <br />noted <br />(which most be added <br />tto determine state and federal standard <br />exceedances). <br />75C 344'9 <br />