Dioxins in Air - Measurement Results of 2003

Dioxins in Air - Measurement Results of 2003

Month
Sampling Date
Concentrations
Central/Western
Tsuen Wan
January  6-1-2003 0.123 0.114
18-1-2003 0.067 0.060
February  7-2-2003 0.042 0.035
23-2-2003 0.140 --
March  1-3-2003 0.044 --
26-3-2003 0.074 --
April  12-4-2003 0.036 --
24-4-2003 0.041 --
May  6-5-2003 0.036 --
18-5-2003 0.098 --
June  11-6-2003 0.036 --
23-6-2003 0.036 0.044
July  5-7-2003 0.036 0.037
17-7-2003 0.035 0.037
August  10-8-2003 0.036 0.037
22-8-2003 0.051 0.047
September  3-9-2003 0.036 0.043
15-9-2003 0.036 0.036
October 9-10-2003 0.062 0.061
21-10-2003 0.064 0.072
November  2-11-2003 0.177 0.218
14-11-2003 0.088 0.085
December  8-12-2003 0.111 0.103
20-12-2003 0.075

0.109

Annual Average
0.066 0.071


NOTE :

  1. Figures are 24-hour average concentrations on the day of sampling in pg I-TEQ /m3.
  2. The concentration of dioxins is expressed as toxic equivalent (I-TEQ) concentration of 2,3,7,8 - Tetrachlorodibenzodioxin (TCDD) based on the International Toxic Equivalent Factors (I-TEF) of the North Atlantic Treaty Organization (NATO/CCMS)
  3. For congener concentrations that are lower than the estimated minimum sample detectable level (EMSDL), one half of the EMSDL is used in calculating the I-TEQ concentration
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Last revision date:14:07 16-06-2019