Time 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 "03:00" 0.000 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.001 "03:30" 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.012 0.001 0.000 "04:00" 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.002 0.001 0.001 "04:30" 0.000 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.003 0.001 0.000 "05:00" 0.000 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.020 0.001 0.001 "05:30" 0.000 0.002 0.003 0.002 0.002 0.002 0.003 0.003 0.018 0.003 0.004 "06:00" 0.001 0.003 0.009 0.009 0.003 0.011 0.012 0.013 0.020 0.012 0.013 "06:30" 0.004 0.012 0.028 0.023 0.009 0.032 0.035 0.040 0.026 0.033 0.040 "07:00" 0.020 0.037 0.064 0.052 0.022 0.074 0.081 0.090 0.038 0.075 0.093 "07:30" 0.059 0.085 0.128 0.109 0.058 0.145 0.160 0.166 0.057 0.142 0.174 "08:00" 0.127 0.169 0.227 0.213 0.124 0.245 0.271 0.296 0.071 0.221 0.291 "08:30" 0.267 0.289 0.356 0.262 0.243 0.376 0.416 0.457 0.098 0.353 0.444 "09:00" 0.413 0.441 0.497 0.266 0.361 0.536 0.587 0.637 0.162 0.556 0.626 "09:30" 0.594 0.615 0.629 0.285 0.507 0.698 0.780 0.811 0.247 0.806 0.819 "10:00" 0.767 0.798 0.797 0.252 0.725 0.865 0.976 0.993 0.371 0.965 1.010 "10:30" 0.927 0.961 0.974 0.388 0.876 1.021 1.154 1.146 0.385 1.181 1.174 "11:00" 1.065 1.108 1.115 0.484 0.910 1.145 1.298 1.260 0.362 1.333 1.297 "11:30" 1.167 1.209 1.141 0.539 0.796 1.230 1.438 1.332 0.664 1.420 1.418 "12:00" 1.222 1.261 0.573 0.718 0.494 1.115 1.001 1.429 1.325 0.721 1.477 1.463 "12:30" 1.227 1.262 0.561 0.639 0.391 1.042 1.136 1.455 1.220 0.687 1.465 1.450 "13:00" 1.169 1.209 0.444 0.608 0.336 1.065 1.131 1.405 1.058 0.673 1.402 1.393 "13:30" 1.070 0.341 0.738 0.262 1.206 0.921 1.288 0.985 0.988 1.314 1.278 "14:00" 0.934 0.330 0.457 0.302 1.030 0.967 1.141 0.554 0.645 1.191 1.142 "14:30" 0.725 0.213 0.329 0.291 0.604 0.471 0.973 0.515 0.482 1.022 0.970 "15:00" 0.600 0.283 0.353 0.267 0.564 0.500 0.754 0.417 0.239 0.831 0.775 "15:30" 0.437 0.185 0.346 0.151 0.147 0.224 0.587 0.240 0.334 0.633 0.583 "16:00" 0.289 0.086 0.191 0.137 0.224 0.132 0.403 0.088 0.265 0.447 0.393 "16:30" 0.172 0.059 0.070 0.099 0.054 0.168 0.266 0.075 0.192 0.291 0.275 "17:00" 0.095 0.037 0.026 0.053 0.023 0.113 0.141 0.045 0.092 0.169 0.143 "17:30" 0.035 0.032 0.035 0.032 0.065 0.050 0.077 0.017 0.051 0.086 0.089 "18:00" 0.012 0.013 0.022 0.018 0.014 0.021 0.034 0.009 0.022 0.036 0.034 "18:30" 0.001 0.004 0.006 0.006 0.007 0.003 0.011 0.003 0.008 0.011 0.010 "19:00" 0.001 0.001 0.001 0.002 0.001 0.001 0.003 0.002 0.002 0.002 0.002 "19:30" 0.001 0.001 0.000 0.001 0.001 0.001 0.001 0.001 0.000 0.000 0.000 "20:00" 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.000 0.000 0.000 "20:30" 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.000 0.000 0.000 "21:00" 0.001 0.001 0.000 0.001 0.001 0.001 0.001 0.001 0.000 0.000 0.000 Daily Total 13.4058 9.4657 3.1649 10.5113 5.731 11.8031 13.2253 17.1843 13.8077 7.9563 17.4797 17.4067 Daily Maximum 1.227 1.262 0.573 1.141 0.539 1.206 1.230 1.455 1.332 0.988 1.477 1.463 Offset Adjusted Daily Total 13.4166 9.4261 3.1649 10.4753 5.7058 11.7563 13.1893 17.1447 13.7717 7.9203 17.4617 17.3887 Daily Maximum 1.227 1.261 0.573 1.140 0.539 1.205 1.229 1.454 1.331 0.987 1.477 1.463 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Data of April 1997 Raw Offset Standard 501A Detector Serial Number 1086 Data Adjusted Last calibrated November 21, 1996 Monthly Total 141.1 140.8 MEDs *NOTE: Scale factor is estimated before 4/21 12:00 due to missing data NOTE: Offset is found by assuming 0 MED at Daily Average for the month 11.762 11.735 MEDs 03:00" for each day. Each half hour Scale Factor at time of data collection 0.204* Daily Maximum for the month 17.480 17.462 MEDs **NOTE: Channel is estimated before 4/21 12:00 due to missing data period that day is adjusted for this error. Offset adjust per 1/2 hour Variable Daily Minimum for the month 3.165 3.165 MEDs