300, 000 a 280,000 aw Lax 2.2.28 260,000 bN ™ 240,000 ~~ Altitude, feet 220,000 N \ 180,000 moo +3 3 nl LE | 120,000 Blad jo — seacion N nL S aw aL, 100 ,00g -O001 max | | P 0.0002 aN A ~~“ L"ax F 0.068—A\ 25,790 L L 0.0004 S bi max * 0.0664] PS 4 e ™~“ DA NY Aad d= 10.6 L" ™~ NL Detail of Focusing Array Impactor _ SN ™N NN yo * 5 Gy Lit = 0.149 NL SY SiN ON NO NNLf }— [ 140,000 >a IN 200,000 160,000 nw L"vax 7 02336 ~ NY fo { { 0.0006 J 0.001 i 0.002 L 0,004 l 0,006 hs 0.01 Minimum Particle Diameter Collected with 80 Per Cent Efficiency d.,» (microns) Fig. 3 -- Effect of Focusing Array Impactor Dimensions on Minimum Particle Size Collected 107