20 1001
ELKINS, JAMES; FAHEY, DAVID; GILPIN, TIM; HOLCOMB, GARRY; BARING, TOM  
U.S. DEPT OF COMMERCE, NOAA / CMDL / NITROUS OXIDE AND HALOCARBONS GROUP
CFC-11  CONCENTRATIONS FROM ACATS Jr.  (Airborne Chromatograph for Atmospheric Trace Species)
AASE II  (Airborne Arctic Stratospheric Expedition)
1 1
1991 10 4 1993 7 15
0 
ELAPSED TIME IN SECONDS FROM 00:00:00 GOES ON SAMPLE DATE
1
1.0
 999
CONCENTRATION CFC-11    (PPT)
4
This file has the final corrected data set.  CFC-11 was corrected for a non-
linearity in its calibration curve.  The standards used were 131.4 ppt for
CFC-11 and 55.6 ppt for CFC-113.  A time shift compared to ozone was also 
applied of -15 seconds.
1
GMTs   CFC-11(ppt)
 61466   281.7 
 61586   274.7 
 61826   277.0 
 61946   274.5 
 62185   280.1 
 62305   246.9 
 62545   203.8 
 62665   199.3 
 62905   154.1 
 63025   150.7 
 63265   149.0 
 63385   157.7 
 63625   138.3 
 63745   140.3 
 63985   126.8 
 64105   132.9 
 64345   119.4 
 64465   116.5 
 64705   132.9 
 64825   126.2 
 65065   125.7 
 65185   129.4 
 65425   125.7 
 65545   129.3 
 65785   122.5 
 65905   122.5 
 66145   122.3 
 66265   124.6 
 66504   120.7 
 66625   112.6 
 66864   111.5 
 66984   108.2 
 67224    98.9 
 67344   106.0 
 67584   107.8 
 67704   108.7 
 67944   105.1 
 68064   109.0 
 68304   103.8 
 68424    96.7 
 68664    97.2 
 68784   101.3 
 69024   100.8 
 69144   106.9 
 69384   105.5 
 69504   111.5 
 69744   122.0 
 69864   121.2 
 70104   122.2 
 70224   126.5 
 70464   147.8 
 70584   160.0 
 70824   186.9 
 70944   190.5 
 71183   189.1 
 71303   192.7 
 71543   233.0 
 71663   240.5 
 71903   244.4 
 72023   261.1 
 72263   269.3 
 72383   264.8 
 72623   248.8 
 72743   246.6 
 72983   230.0 
 73103   212.4 
 73343   209.8 
 73463   208.5 
 73703   204.7 
 73823   199.0 
 74063   165.5 
 74183   168.5 
 74423   165.3 
 74543   156.7 
 74783   111.1 
 74903   123.4 
 75143   110.8 
 75263   107.8 
 75503    96.5 
 75623    88.4 
 75862    76.2 
 75982    78.4 
 76222    70.3 
 76342    78.2 
 76582    85.2 
 76702   109.7 
 77182   111.2 
 77302   148.4 
 77542   178.5 
 77662   210.7 
 77902   218.4 
 78022   251.5 
 78262   261.3 
 78382   250.7 
 78622   302.9 
 78742   313.8