Ethylene glycol final content: appendix D
Appendix D: Management of Ethylene Glycol at Canadian Airports
Management of ethylene glycol at Canadian airports was discussed at some length in the State of the Science Report (Environment Canada and Health Canada, 2000). Some recent improvements in the handling and release of ethylene glycol have been mentioned in the present report.
Data on groundwater concentrations of ethylene glycol are very limited, but some pre-2000 measurements were taken at Calgary International, Charlottetown, Montréal International (Dorval and Mirabel) and Ottawa Macdonald-Cartier International airports. These data are summarized in Table 14 below, along with data obtained from the Edmonton International Airport.
Table 15 presents concentrations of total glycol at selected monitoring stations at Canadian airports for the 2004-2005 deicing season.
Airport | Sampling Dates | Number of Samples | Detection Limit (mg/L) | Median (mg/L) | Mean (mg/L) | Maxi- mum (mg/L) |
Reference |
---|---|---|---|---|---|---|---|
Calgary International | 4 Oct.1996-28 Jul. 1999 | 17 | 5 | <DL | 4 | 38 | CAA 1999 |
Montréal- Trudeau | 13 Nov. 1997-25 May 1998 | 20 | 0.5 | 1.3 | 8 | 32 | Aéroports de Montréal 1998 |
Montréal- Mirabel | 28 Nov. 1997-6 Jul. 1999 | 5 | 6 | <DL | <DL | 49 | Aéroports de Montréal 1999 |
Ottawa MacDonald- Cartier International | Dec. 1985-Dec.1986 | ? | 5 | <DL | <DL | 415 | Transport Canada 1987 |
Edmonton International | Mar. - Sept. 2002 | 8 | 5 | <5 | <5 | <5 | Transport Canada 2003 |
Airport | Sampling Dates within Deicing Season | Site | Number of Samples | Detec- tion Limit (mg/L) |
Mean (mg/L) | Median (mg/L) | Maxi- mum (mg/L) |
Number of Samples > 100 mg/L |
---|---|---|---|---|---|---|---|---|
Moncton | 4 Nov. 2004-24 Mar. 2005 | 4 | 19 | 4 | 0 | 80 | 0 | |
Moncton | 4 Nov. 2004-24 Mar. 2005 | 6 | 19 | 13 | 0 | >120 | 2 | |
Moncton | 4 Nov. 2004-24 Mar. 2005 | 8 | 19 | 9 | 0 | 120 | 2 | |
Charlotte- town |
1 Oct. 2004-15 May 2005 | 7 | 0 | 0 | 0 | 0 | ||
Charlotte- town |
14 Dec. 2004 - 5 Apr. 2005 | Not indicated | 6 | No numerical data | ||||
Saint John | 27 Oct. 2004-7 Apr. 2005 | Not indicated | 14 | Na | na | >100 | 1 | |
Montréal-Trudeau | 2 Nov. 2004-26 Apr. 2005 | Centre de dégivrage (PE-2) | 203 | 10 | 49 | 53 | 97.5 | 0 |
Montréal-Trudeau | 2 Nov. 2004-26 Apr. 2005 | Aviation générale (R: ethylene glycolegard Whitewind) | 11 | 10 | <10 | <10 | 20 | 0 |
Montréal-Trudeau | 2 Nov. 2004-26 Apr. 2005 | Aviation générale (R: ethylene glycolegard Skyservice) | 16 | 10 | 22 | 11 | 146 | 1 |
Montréal-Trudeau | 2 Nov. 2004-26 Apr. 2005 | Aviation générale (R: ethylene glycolegard Exécaire) | 17 | 10 | 17 | <10 | 124 | 1 |
Montréal-Trudeau | 2 Nov. 2004-26 Apr. 2005 | Exutoir Bouchard (DP-1) | 19 | 10 | 51 | 42 | 136 | 3 |
Montréal-Mirabel | 2 Nov. 2004-26 Apr. 2005 | Centre de dégivrage | 82 | 10 | 40 | <10 | 590 | 5 |
Montréal-Mirabel | 2 Nov. 2004-26 Apr. 2005 | Zone cargo | 2 | 10 | <10 | <10 | <10 | 0 |
Montréal-Mirabel | 2 Nov. 2004-26 Apr. 2005 | Site Cyr | 2 | 10 | <10 | <10 | <10 | 0 |
Québec-Jean-Lesage | 1 Mar. 2005-31 Mar. 2005 | Station CA | 4 | 78 | 67 | 130 | 1 | |
Québec-Jean-Lesage | 1 Mar. 2005-31 Mar. 2005 | Station 24 | 8 | 77 | 66 | 198 | 3 | |
London | 9 Nov. 2004-15 Apr. 2005 | 8 | 4 | <4 | <4 | <4 | 0 | |
Ottawa | 11 Nov. 2004-2 Jun. 2005 | S3 | 13 | 0 | N/D | N/D | 0 | |
Ottawa | 11 Nov. 2004-2 Jun. 2005 | G1 | 16 | 0 | N/D | N/D | 0 | |
Ottawa | 11 Nov. 2004-2 Jun. 2005 | S4 | 109 | 2 | N/D | 162 | 1 | |
Ottawa | 11 Nov. 2004-2 Jun. 2005 | G11 | 1 | 0 | N/D | N/D | 0 | |
Ottawa | 11 Nov. 2004-2 Jun. 2005 | S9 | 110 | 5 | N/D | 172 | 2 | |
Toronto | 1 Oct. 2004-30 Apr. 2005 | Carlingview Stormwater Facility | 178 | 4 | 4 | <4 | 32 | 0 |
Toronto | 1 Oct. 2004-30 Apr. 2005 | Etobicoke Creek Stormwater Facility | 60 | 4 | 16 | <4 | 129 | 2 |
Toronto | 1 Oct. 2004-30 Apr. 2005 | Moore's Creek Stormwater Facility | 155 | 4 | 4 | <4 | 105 | 6 |
Toronto | 1 Oct. 2004-30 Apr. 2005 | Water Monitoring Station WM4A | 177 | 4 | 10 | <4 | 287 | 3 |
Edmonton | 2 Jan. 2004-15 Oct. 2004 | Subsurface Wetlands Inlet | 16 | 5 | 7 | 8 | 11 | 0 |
Edmonton | 2 Jan. 2004-15 Oct. 2004 | Subsurface Wetlands Outlet | 5 | 5 | 13 | 8 | 33 | 0 |
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