Summary of Air Quality Presentations by ENSC 502 Class of 2000-2001
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Transcript of Summary of Air Quality Presentations by ENSC 502 Class of 2000-2001
Summary of Air Quality Summary of Air Quality Presentations Presentations
byby
ENSC 502ENSC 502Class of 2000-2001Class of 2000-2001
PAHsPAHs
0
2
4
6
8
10
12
14
16
18
Average concentration
(ng/ m3)
Control Nonflaringat Priddis
Flaring atPriddis
Bearspaw Flaring(from
literature)
Location
Benzo(a)Pyrene
Higher ConcentrationsHigher Concentrationsof These Metalsof These Metals
0.00008
0.01008
0.02008
Con
cent
rati
on (m
g/m
3 )
Cd Cr Ni Sb Cu
CalgaryBearspaw
--3030Alberta EnvironmentAlberta Environment
Ambient Air Quality (annual)Ambient Air Quality (annual)
--2.472.47HoustonHouston
--1.31.3CalgaryCalgary
0.0470.0470.0970.097KananaskisKananaskis
0.520.521.831.83PriddisPriddis
(Flaring)(Flaring)
0.380.380.740.74PriddisPriddis
(Non- Flaring)(Non- Flaring)
0.990.995.815.81BearspawBearspaw
SulphateSulphateSulphur DioxideSulphur DioxideAverage values (Average values (mmg/mg/m33))
SO2 and SO42- Concentrations
SOSO22 ModellingModelling
VegetationVegetation
Both Priddis and Bearspaw are significantly Both Priddis and Bearspaw are significantly affected by SOaffected by SO22 pollution relative to the control pollution relative to the control as determined by Si/So ratiosas determined by Si/So ratios
Bearspaw is the most affected by sour gas Bearspaw is the most affected by sour gas emissions according to isotope dataemissions according to isotope data
Priddis is more affected by environmental Priddis is more affected by environmental stresses as indicated by histochemical analysis stresses as indicated by histochemical analysis and visual damageand visual damage
Average fraction of sulphur from industryCarseland 0.6245
Kananaskis 0.5959SE Calgary 0.7739
Average fraction of sulphur from vehicle exhaustCarseland 0.3755
Kananaskis 0.4041
SE Calgary 0.226
PrecipitationPrecipitation
PrecipitationPrecipitation
Rural sites had higher deposition of Rural sites had higher deposition of sulphate.sulphate.
Nitrate does not vary with the Nitrate does not vary with the degree of urbanisation. degree of urbanisation.
Sulphate at Carsland primarily Sulphate at Carsland primarily derived from industrial emissions.derived from industrial emissions.
Sulphate flux greatest in SE Sulphate flux greatest in SE Calgary.Calgary.
N-AlkanesN-Alkanes
No significant difference between No significant difference between flaring and non flaring events may flaring and non flaring events may indicate that:indicate that:– particulate n-alkanes transform into particulate n-alkanes transform into
more complex moleculesmore complex molecules– Or particulate Or particulate n-n-alkanes were fully alkanes were fully
combusted in the flarecombusted in the flare
Indoor Particulates - CPMIndoor Particulates - CPM44
Indoor VOC ConcentrationsIndoor VOC Concentrations
The concentration of VOCs vs the location of sample
00.5
11.5
22.5
33.5
Bedroom Kitchen Dinning Room Living Room Basement Outside
Location
Perceived Health EffectsPerceived Health Effects
In general, Priddis residents show a greater In general, Priddis residents show a greater concern and take more action towards the concern and take more action towards the sour gas issue sour gas issue
Significant correlationSignificant correlation
- Priddis & Bearspaw: - Priddis & Bearspaw:
level of concern level of concern level of importance level of importance
- Bearspaw:- Bearspaw:
level of concern level of concern perceived health impacts perceived health impacts
Media and Public Media and Public PerceptionPerception
Articles Published in Canada on Sour Gas in Alberta From 1982 to 2001
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10
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60
70
1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000
Time (years)
Nu
mb
er
of
Art
icle
s
Lodgepole Blow out -Increased Regulation
AEUB - New Facilities Application
AEUB Responds to Flaring Concerns
Shell Caroline Plant DevelopmentERCB Hearings
Weibo Ludw ig
Pincher CreekStudyWhaleback Controversy - ERCB Hearings
Advisory Advisory CommitteeCommittee
Representative crossRepresentative cross
section of affected section of affected interest groupsinterest groups
Critical in approachCritical in approach Outlines a plan of Outlines a plan of
implementationimplementation EUB compliance criticalEUB compliance critical
RecommendationsRecommendations
Restructuring of the Restructuring of the hearing processhearing process
Improved industry Improved industry and public interactionand public interaction
Better enforcement Better enforcement and more auditsand more audits
Public education on Public education on sour gas issuessour gas issues
LEGAL ISSUESLEGAL ISSUESReport of the Provincial Advisory Report of the Provincial Advisory
CommitteeCommittee
AcknowledgementsAcknowledgements
We would like to thank the following We would like to thank the following people and organisations:people and organisations:
Butterfield Acres, Rothney Astronomical Butterfield Acres, Rothney Astronomical Observatory, K. McDonald, K. Foster,Observatory, K. McDonald, K. Foster,
Van Ho, Matt Tammam, John Tong, G. Van Ho, Matt Tammam, John Tong, G. Kerlukes, T. Lambert, A. Lucas, S. Roth, Kerlukes, T. Lambert, A. Lucas, S. Roth, and the ENSC faculty and staff.and the ENSC faculty and staff.