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Overview and QA/QC Ken Stevenson

Overview and QA/QC

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Overview and QA/QC. Ken Stevenson. Web based database of air quality data throughout Scotland Quality Assurance programme – to ensure harmonised data quality Ken Stevenson AQ mapping for Scotland – use of the data to map pollution concentrations throughout Scotland Nikki Brophy - PowerPoint PPT Presentation

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Page 1: Overview and QA/QC

Overview and QA/QC

Ken Stevenson

Page 2: Overview and QA/QC

Web based database of air quality data throughout Scotland

• Quality Assurance programme – to ensure harmonised data qualityKen Stevenson

• AQ mapping for Scotland – use of the data to map pollution concentrations throughout ScotlandNikki Brophy

• Website features and functionality and use of data to determine trends in air quality in Scotland Paul Willis

Page 3: Overview and QA/QC

QA/QC of Scottish sitesCurrent Situation:

47 Sites on Scottish website

• 14 AURN

• 10 funded by Scottish Grant Scheme

• 23 operated under this project – so far

• In the pipeline – Edinburgh Gorgie Road, Ayr High Street, East Kilbride Whirlies and Fife Rosyth

• 51 in total

Page 4: Overview and QA/QC

Scottish Government QA/QC Programme

Aberdeen (3) East Dunbartonshire (2) Edinburgh (4) Falkirk (3) N. Lanarkshire (5) Glasgow (4) West Dunbartonshire (2) South Ayrshire (1) Renfrewshire (1) South Lanarkshire (1) • East Renfrewshire (1)• Midlothian (2)• East Lothian (2)• West Lothian (1)• Shetland (1 new site)

Total 6 existing and one new site still to incorporate

Page 5: Overview and QA/QC

Site Audit Visits 2007Scottish Government 1st Audit 2nd Audit AURN 1st Audit 2nd Audit

Aberdeen Anderson Dr Aberdeen Aberdeen Market St Auchencorth Moss Aberdeen Union St Bush Estate East Dunbartonshire Bearsden Cross Dumfries East Dunbartonshire Bishopbriggs Cross Edinburgh St Leonards Edinburgh Roseburn Eskdalemuir Edinburgh Haymarket Fort William Edinburgh Queen St Glasgow Centre Edinburgh Gorgie Road Glasgow City Chambers Edinburgh St Johns Road Glasgow Kerbside Falkirk Hope St Grangemouth Falkirk Park St Inverness Glasgow Anderston Lerwick Glasgow Battlefield Road Strath Vaich Glasgow Byres Road

Glasgow Waulkmillglen Reservoir Grant Funded 1st Audit 2nd Audit

Grangemouth Municipal Chambers Dundee Broughty Ferry Road N.Lanarkshire Chapelhall Dundee Lochee Road N.Lanarkshire Coatbridge Ellis Rd Dundee Mains Loan

N.Lanarkshire Coatbridge Wifflet Rd Dundee Seagate N.Lanarkshire Croy Dundee Union Street N.Lanarkshire Harthill Dundee Whitehall Street West Dunbartonshire Clydebank Fife Cupar West Dunbartonshire Glasgow Road Fife Dunfermline Perth Perth 2

Page 6: Overview and QA/QC

6-Monthly site intercalibration and audit

QA/QC Unit visit every site in network every 6-months

Full check of: • All analysers, • Calibration standards, • Site infrastructure, • Local operator.

Page 7: Overview and QA/QC

Problems found at 2007 audits

• 2 NOx converters < 95% (90.8% 93.5%)

• 1 Ozone out by more than 10% (13%)

• 5 Teom:- 2 Ko not agreeing 1 Ko out by -5.53%

1 Main flow out by 12% 1 Leak test failed

• 4 NO Cylinders:- -36.4% -17.3% -39% -19.2%

• 1 NOx leak test:-

Page 8: Overview and QA/QC

Data Ratification

Scottish Government 2006 Jan – Jun

2007 AURN 2006 Jan – Jun

2007

Aberdeen Anderson Dr Aberdeen Aberdeen Market St Auchencorth Moss Aberdeen Union St Bush Estate East Dunbartonshire Bearsden Cross Dumfries East Dunbartonshire Bishopbriggs Cross Edinburgh St Leonards Edinburgh Roseburn Eskdalemuir Edinburgh Haymarket Fort William Edinburgh Queen St Glasgow Centre Edinburgh Gorgie Road Glasgow City Chambers Edinburgh St Johns Road Glasgow Kerbside Falkirk Hope St Grangemouth Falkirk Park St Inverness Glasgow Anderston Lerwick Glasgow Battlefield Road Strath Vaich Glasgow Byres Road

Glasgow Waulkmillglen Reservoir

Other Contract 2006 Jan – Jun

2007

Grangemouth Municipal Chambers Dundee Broughty Ferry Road N.Lanarkshire Chapelhall Dundee Lochee Road N.Lanarkshire Coatbridge Ellis Rd Dundee Mains Loan N.Lanarkshire Coatbridge Wifflet Rd Dundee Seagate N.Lanarkshire Croy Dundee Union Street N.Lanarkshire Harthill Dundee Whitehall Street West Dunbartonshire Clydebank Fife Cupar West Dunbartonshire Glasgow Road Fife Dunfermline Perth Perth 2

Page 9: Overview and QA/QC

Why is Aberdeen Market Street so high ?

Page 10: Overview and QA/QC

Very busy road with pelican crossing nearby

Lorry park behind site

Construction yard in front of site

Aberdeen Market Street

Page 11: Overview and QA/QC

Introduction of PM10 Monitoring by TEOM FDMS

What is FDMS

Page 12: Overview and QA/QC

FDMS sites in Scotland

• National Network – Edinburgh St Leonards and Auchencorth Moss

• Joining Scottish database – Ayr High Street, East Kilbride Whirlies, Fife Rosyth

• To Join Scottish database – Clarkston (East Renfrewshire) and Linlithgow (West Lothian)

• Other FRMS site in Scotland – Angus, East Dunbartonshire, Hamilton, Rutherglen, Glasgow + others

Page 13: Overview and QA/QC

Data From FDMS – National Network

-20

0

20

40

60

80

100

01/01/2007

31/01/2007

02/03/2007

01/04/2007

01/05/2007

31/05/2007

30/06/2007

30/07/2007

29/08/2007

28/09/2007

28/10/2007

27/11/2007

27/12/2007

FDMS PM10 2007

PM

10 u

gm

-3

Edinburgh St Leonards

Auchencorth Moss

-20

-10

0

10

20

30

40

50

60

70

80

90

24-Mar 25-Mar 26-Mar 27-Mar 28-Mar 29-Mar 30-Mar 31-Mar 01-Apr 02-Apr

PM10 particulate matter (Hourlymeasured)

Non-volatile PM10 (Hourly measured)

Volatile PM10 (Hourly measured)

Page 14: Overview and QA/QC

Data From FDMS – LA data

-50

0

50

100

150

200

1-F

eb

-08

6-F

eb

-08

11-F

eb

-08

16

-Fe

b-0

8

21

-Fe

b-0

8

26

-Fe

b-0

8

2-M

ar-0

8

1 Feb - 6 Mar 2008

FD

MS

PM

10

ug

/m-3

Ayr High StreetEast Kilbride WhirliesForfar, AngusTownhead, KirkintillochClarkston, E. Renfrewshire

Page 15: Overview and QA/QC