s oy SHIELDING FACTORS FOR SI FOR 447 HOUSES wvS l \\ R \ oS FREQUENCY qn s oOo Zip ay 150 - ; 02 [ 0.4 y q 06 0.8 SHJELDING FACTOR T HARRY &D 12/3/81 #5 LS= 5
s oy SHIELDING FACTORS FOR SI FOR 447 HOUSES wvS l \\ R \ oS FREQUENCY qn s oOo Zip ay 150 - ; 02 [ 0.4 y q 06 0.8 SHJELDING FACTOR T HARRY &D 12/3/81 #5 LS= 5