-~2- AIR SAMPLE DATA ~ ELMER AIR SANPLE , Elmer 66 67 68 69 70 71 72 3 74 75 7% 7 78 79 80 81 82. 83 84 85 86 87 88. 89 90 91 92 100 DATE AT END OF COLLECTION. (PPG DATE) Tl DAYS FROM END uuc/3PAT OF COLLECTION -° ist COUNT TO 1st COUNT 9,8 7-2 1-3 7-4 725 7-6 7-7 7~8 7-9 7-10 7-11 7-14 7-15 7-16 7-17 7-18 7-19 7-20 7-21 7-22 7-23 8.9 7:8 1147 10,7 9,8 15.8 16.3 7.9. 12.9 1137 9.9 7,7 8,75 7.9 7,0 13 12 11 10 20 7-26 1-27 7=28 17 16 15 <5 | 8-5 7 20 7-24 7-29 19 - 2.97 —uuePAT END OF COLLECTION . : 25 6,25 8,99 135,5 108;5 7358 1029 10:75 9,42 7.95 4.7 101 * 12,2 5.42 6.35° 56.6 4,51 10.5 1,96 3.38 2.2 88 110 2800 1050 “125 325 140 48 45 20 1600 150 37 30 600 100 110 13 55 2 4.07 6.26 9.0 39 175 250 3,25 - 29.4 3.85 110- Filter - 65 18 Failure