24 1001
Brian Heikes
University of Rhode Island
Formaldehyde From Coil Collection
SONEX
1 1
1997 10 13 1998 03 18
0
mid-time of sample in UT s
3
1.0 1.0 1.0
999999 999999 99999
start-time of sample in UT (s)
end-time of sample in UT (s)
CH2O (pptv)
3
data for exchange 
reported data is not positive definite
negative values denote lower limit of detection or upper limit of detection
4
Formaldehyde measurements used the method of Lazrus, et al., 1988.
     data below detection limit, ch2o=50, reported as -888
     data greater than that which is recordable is reported as -777
   mid start  stop  ch2o
54330 54180 54480 99999
54930 54780 55080 99999
55530 55380 55680 99999
56730 56580 56880    94
57330 57180 57480  -888
57930 57780 58080  -888
58530 58380 58680  -888
59130 58980 59280  -888
59730 59580 59880  -888
60330 60180 60480  -888
60930 60780 61080  -888
61530 61380 61680    77
62130 61980 62280  -888
62730 62580 62880  -888
63330 63180 63480  -888
63930 63780 64080  -888
64530 64380 64680  -888
65130 64980 65280  -888
65730 65580 65880    73
66330 66180 66480  -888
66930 66780 67080  -888
67530 67380 67680  -888
68130 67980 68280  -888
68790 68640 68940  -888
69390 69240 69540  -888
69990 69840 70140  -888
70590 70440 70740  -888
71190 71040 71340  -888
71790 71640 71940  -888
72390 72240 72540  -888
72990 72840 73140  -888
73590 73440 73740  -888
74190 74040 74340  -888
74790 74640 74940  -888
75390 75240 75540  -888
75990 75840 76140  -888
76590 76440 76740  -888
77190 77040 77340  -888
77790 77640 77940  -888
78390 78240 78540  -888
78990 78840 79140  -888
79590 79440 79740 99999
79650 79500 79800 99999