Dioxins in Air - Measurement Results of 2013

Dioxins in Air - Measurement Results of 2013

Month
Sampling Date
Concentrations
Central/Western
Tsuen Wan
January  20-01-2013 0.070 --
02-01-2013 -- 0.098
February 01-02-2013 0.029 --
19-02-2013 -- 0.041
March 21-03-2013 0.071 --
21-03-2013 -- 0.047
April 02-04-2013 0.026 --
02-04-2013 -- 0.018
May 02-05-2013 0.020 --
02-05-2013 -- 0.024
June 19-06-2013 0.011 --
19-06-2013 -- 0.010
July 07-07-2013 0.008 --
07-07-2013 -- 0.008
August 06-08-2013 0.010 --
18-08-2013 -- 0.009
September 11-09-2013 0.025 --
17-09-2013 -- 0.026
October 05-10-2013 0.046 --
05-10-2013 -- 0.054
November 04-11-2013 0.063 --
16-11-2013 -- 0.080
December 10-12-2013 0.182 --
16-12-2013 -- 0.059
Annual Average

0.047

0.040


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:19:07 22-08-2019