Report/Guide

Allen, N D C; Brewer, P J; Brown, R J C; Lipscombe, R P; Woods, P T (2014) Intercomparison exercise for the analysis of components in indoor air. NPL Report. AS 86

Grenfell, R; Brookes, C; Vargha, G; Quincey, P; Milton, M J T; Woods, P T; Harris, P M (2008) EURAMET 886 comparison of multicomponent ambient VOC measurements - Final report. NPL Report. AS 29

Brown, R J C; Brown, A S; Woods, P T; Brown, R S (2008) Ambient monitoring of benzo-a-pyrene (B[a]P) emissions at two oil refineries. Technical Report.

Brown, R J C; Brown, A S; Woods, P T; Brown, R S (2007) Monitoring benzo-a-pyrene (B[a]P) emissions at two oil refineries. NPL Report. AS 1

Brown, R J C; Williams, M; Butterfield, D M; Yardley, R E; Muhunthan, D; Woods, P T (2006) Annual report for 2005 on the UK Heavy Metals Network. NPL Report. DQL-AS 026

Derwent, D*; Harrison, R*; Woods, P T; Quincey, P; Williams, M (2005) CPEA 28: airborne particulate concentrations and numbers in the United Kingdom (phase 2). Strategic Network review. NPL Report. DQL-AS 020

Cox, M G; Harris, P M; Milton, M J T; Woods, P T (2002) Method for evaluating trends in ozone concentration data and its application to data from the UK Rural Ozone Monitoring Network. NPL Report. CMSC 15/02

Sweeney, B P; Milton, M J T; Butterfield, D M; Woods, P T (2002) Comparison of national photometric ozone primary standards: Euromet project 414. NPL Report. COAM 15

Milton, M J T; Holland, P E; Davenport, A J; Brookes, C; Woods, P T (2001) Sources of uncertainty in the gravimetric preparation of a binary gas standard on a twin-pan balance. NPL Report. COEM 60

Holland, P E; Davenport, A J; Uprichard, I J; D'Souza, H; Alphonso, D; Woods, P T; Milton, M J T (2000) The preparation and certification of secondary gas standards by the National Physical Laboratory. NPL Report. COEM 54

Robinson, R A; Andrews, A; Gardiner, T D; Uprichard, I J; Woods, P T (1998) Differential absorption lidar measurements of VOC emissions from Wytch Farm crude oil gathering station. NPL Report. COEM 13

Quincey, P; Gardiner, T D; Woods, P T (1998) Requirements for gas concentration standards for odour measurements, and availibility of electron tunnelling spectra of odorous compounds. NPL Report. COEM 15

Bell, W; Paton Walsh, C; Woods, P T; Nieuwenkemp, G*; Alink, A*; Borowiak, A*; De Saeger, E*; Macé, T*; Sutour, Ch.*; Rudolf, W* (1998) First annual progress report on standards, measurement and testing programme project SMT4-CT96-2094. Harmonising of air quality measurements in Europe ('HAMAQ'). NPL Report. COEM 4

Bell, W; Paton Walsh, C; Woods, P T; Martin, N A; Gardiner, T; Swann, N R (1997) The development and utilisation of advanced remote monitoring techniques for atmospheric measurements. NPL Report. CQM 133

Woods, P T; Bell, W; Paton Walsh, C; Gardiner, T; Martin, N A (1997) Groundbased measurements of stratospheric trace species around 60 degrees N as part of the SESAME campaign. NPL Report. QM 129

Martin, N A; Woods, P T; Bell, W; Paton Walsh, C; Gardiner, T; Swann, N R (1996) The development and utilisation of advanced remote monitoring techniques for atmospheric measurements. NPL Report. QM 127

Davenport, A J; Holland, P E; Woods, P T; Milton, M J T (1996) Summary of comparisons of gas standards between NPL and NIST. NPL Report. COEM 20

Martin, N A; Swann, N R W; Driskell, N T*; Allott, T P*; Noyes, P A*; Bell, W; Paton Walsh, C; Woods, P T (1996) Final report to the British Council. Measurement of stratospheric ozone depletion and air pollution using tunable diode lasers. NPL Report. QM 120

Martin, N A; Swann, N R W; Driskell, N T*; Allott, T P*; Noyes, P A*; Bell, W; Paton Walsh, C; Woods, P T (1996) Final report to the EC (NPL contribution), contract no. EV5V-93- 0350. Ground based atmospheric trace gas measurements by tunable laser heterodyne spectrometry in the mid-infrared. NPL Report. QM 121

Woods, P T; Jolliffe, B W; Robinson, R A; Swann, N R; Gardiner, T; Andrews, A; Milton, M J T; Warmsley, H* (1995) Measurements at a chemical works to improve the UK emission inventory of volatile organic compounds for the petrochemical industry. NPL Report. QM 108

Robinson, R A; Woods, P T; Gardiner, T; Swann, N R W; Partridge, R H; Andrews, A; Goody, B* (1995) Measurements of the emissions of volatile organic compounds produced by a retail petrol-filling station. NPL Report. QM 112

Bell, W; Woods, P T; Martin, N A; Gardiner, T D; Swann, N R; Paton-Walsh, C (1995) The development and utilisation of advanced remote monitoring techniques for atmospheric measurements. NPL Report. QU 110

Partridge, R H; Curtis, I H; Goody, B A; Woods, P T (1995) An envaluation of the performance of an open-path atmospheric air-quality monitor manufactured by OPSIS, Sweden. NPL Report. QU 109

Woods, P T; Robinson, R A; Swann, N R; Jolliffe, B W; Gardiner, T D (1995) CEC environment programme: measurement and prediction of mean and fluctuating concentrations of flammable and toxic gas releases in the atmosphere: final report on project step - CT90/91-0099(SMA). NPL Report. QU 105

Bell, W; Woods, P T; Martin, N A; Gardiner, T D; Swann, N R; Paton-Walsh, C (1995) The development and utilisation of advanced remote monitoring techniques for atmospheric measurements. NPL Report. QU 106

Woods, P T; Milton, M J T; Bell, W; Partridge, R H; Martin, N A; Gardiner, T; Robinson, R A; Swann, N R W; D'Souza, H (1994) Advanced remote monitoring techniques for atmospheric measurements. NPL Report. QU 102

Bellingham, J R; Milton, M J T; Woods, P T; Passant, N R*; Poll, A J*; Couling, S*; Marlowe, I T*; Woodfield, M*; Garland, J*; Lee, D S* (1994) The UK methane emissions inventory: A scoping study on the use of ambient measurements to reduce uncertainties. NPL Report. DQM 98

Woods, P T; Jolliffe, B W; Robinson, R A; Swann, N R; Gardiner, T; Andrews, A; Downes, P H *; Day, S* (1993) A determination of the emissions of volatile organic compounds from oil refinery storage tanks. NPL Report. DQM(A) 96

Article

Allen, N D C; Brewer, P J; Brown, R J C; Lipscombe, R P; Woods, P T (2016) International comparison of key volatile organic components in indoor air. Measurement, 82. pp. 476-481.

Brown, R J C; Woods, P T (2014) Proposals for new data quality objectives to underpin ambient air quality monitoring networks. Accred. Qual. Assur., 19 (6). pp. 465-471.

Brown, R J C; Woods, P T (2012) Comparison of averaging techniques for the calculation of the 'European average exposure indicator' for particulate matter. J. Environ. Monit., 14 (1). pp. 165-171.

Robinson, R A; Gardiner, T; Innocenti, F; Woods, P T; Coleman, M (2011) Infrared differential absorption Lidar (DIAL) measurements of hydrocarbon emissions. J. Enviorn. Monit., 13 (8). pp. 2213-2220.

Brewer, P J; Goody, B A; Woods, P T; Milton, M J T (2011) A dynamic gravimetric standard for trace water. Rev. Sci. Instrum., 82 (10). 105102

Grenfell, R J P; Milton, M J T; Harling, A M; Vargha, G M; Brookes, C; Quincey, P G; Woods, P T (2010) Standard mixtures of ambient volatile organic compounds in synthetic and whole air with stable reference values. J. Geophys. Res., 115. D14302

Gardiner, T D; Mead, M I*; Garcelon, S*; Robinson, R A; Swann, N; Hansford, G M*; Woods, P T; Jones, R L* (2010) A lightweight near-infrared spectrometer for the detection of trace atmospheric species. Rev. Sci. Insrum., 81 (8). 083102

Yan, W B*; Chen, Y*; Krusen, C*; Woods, P T (2008) Development and applications of continuous-wave cavity ring-down spectroscopy. Int. J. Thermophysics, 29 (5). pp. 1567-1577.

Vigouroux, C*; De Mazière, M*; Demoulin, P*; Servais, C*; Hase, F*; Blumenstock, I*; Kramer, M*; Schneider, J*; Mellqvist, A*; Strandberg, V*; Velazco, J*; Notholt, R*; Sussmann, W*; Rockmann, A*; Gardiner, T D; Coleman, M; Woods, P T (2008) Evaluation of tropospheric and stratospheric ozone trends over Western Europe from ground-based FTIR network observations. Atmos. Chem. Phys., 8. pp. 6865-6886.

Brown, R J C; Yardley, R E; Muhunthan, D; Butterfield, D M; Williams, M; Woods, P T; Brown, A S; Goddard, S L (2008) Twenty-five years of nationwide ambient metals measurement in the United Kingdom: concentration levels and trends. Environ. Monit. Assess., 142 (1-3). pp. 127-140.

Brown, R J C; Woods, P T (2005) CEN and air quality standards in Europe. VAM Bulletin, 33. pp. 13-15.

Meier, A*; Paton-Walsh, C*; Bell, W*; Blumenstock, T*; Hase, F*; Goldman, A*; Steen, A*; Kift, R; Woods, P T; Kondo, Y* (2005) Evidence of reduced measurement uncertainties from an FTIR instrument intercomparison at Kiruna, Sweden. J. Quant. Spectrosc. Radiat. Transf., 96. pp. 75-84.

Lait, L R*; Schoeberl, M R*; Newman, P A*; McGee, T*; Burris, J*; Browell, E V*; Richard, E*; Braathen, G O*; Bojkov, B R*; Goutail, F*; von der Gathen, P*; Kyrö, E*; Vaughan, G*; Kelder, H*; Kirkwood, S*; Woods, P T; Dorokhov, V*; Zaitcev, I*; Litynska, Z*; Kois, B*; Benesova, A*; Skrivankova, P*; De Backer, H*; Davies, J*; Jorgensen, T*; Mikkelsen, I S* (2002) Ozone loss from quasi-conservative coordinate mapping during the 1999-2000 SOLVE/THESEO 2000 campaigns. J. Geophys. Res., 107 (D20). SOL 16

Milton, M J T; Woods, P T; Holland, P E (2002) Uncertainty reduction due to correlation effects in weighing during the preparation of primary gas standards. Metrologia, 39. pp. 97-99.

Holland, P E; Woods, P T; Brookes, C; Uprichard, I J; Quincey, P; Robinson, R A; D'Souza, H; Milton, M J T; Goody, B; Bell, W; Alphonso, D (2001) The development of gas standards and calibration techniques for measurements of vehicle, aircraft and industrial emissions, natural gas, occupational exposure and air quality. Accred. Qual. Assur., 6 (3). pp. 120-129.

Bell, W; Paton Walsh, C; Woods, P T; Donohoe, L; Gould, A; Secker, D; Naughten, S; Swann, N R; Martin, N A; Page, L E; Chipperfield, M P*; Lee, A M*; Pullen, S* (1998) Groundbased FTIR measurements of stratospheric trace species from Aberdeen during winter and spring 1993/94 and 1994/95 and comparison with a 3D model. J. Atmos. Chem., 30 (1). pp. 119-130.

Bell, W; Paton-Walsh, C; Woods, P T; Gardiner, T D; Chipperfield, M P*; Lee, A M* (1998) Groundbased FTIR measurements with high temporal resolution. J. Atmos. Chem., 30 (1). pp. 131-140.

Bell, W; Paton Walsh, C; Gardiner, T; Woods, P T; Swann, N R; Martin, N A; Donohoe, L; Chipperfield, M P* (1997) Measurements of stratospheric chlorine monoxide (C10) from Groundbased FTIR observations. J. Atmos. Chem. (24). pp. 285-297.

Carruthers, D J*; Edmunds, H A*; Bennett, M*; Woods, P T; Milton, M J T; Robinson, R A; Underwood, B Y*; Franklin, C J*; Timmis, R* (1997) Validation of the ADMS dispersion model and assessment of its performance relative to R-91 and ISC using archived LIDAR data. International Journal of Environment and Pollution, 8 (3-6). pp. 264-278.

Paton Walsh, C; Bell, W; Gardiner, T; Swann, N R; Woods, P T; Notholt, J*; Schutt, H*; Galle, B*; Arlander, W*; Mellqvist, J* (1997) An uncertainty budget for groundbased FTIR column measurements of HCI, HF, N2O and HNO3 deduced from results of side-by-side instrument intercomparisons. J. Geophys. Res., 102 (D7). pp. 8867-8873.

Woods, P T; Partridge, R H; Milton, M J T; Quincey, P (1996) Gas standards and calibration techniques for measurements of air quality, occupational exposure and industrial emission. ESARDA Bull., 27. p. 47.

Milton, M J T; Woods, P T; Partridge, R H; Goody, B A (1995) Calibration of DIAL and open path systems using external gas cells. Proc. SPIE - Int. Soc. Opt. Eng., 2506. pp. 680-688.

Robinson, R A; Woods, P T; Milton, M J T (1995) DIAL measurements for air pollution and fugitive loss monitoring. Proc. SPIE - Int. Soc. Opt. Eng., 2506. pp. 140-149.

Milton, M J T; Gardiner, T; Chourdakis, G*; Woods, P T (1994) Injection seeding of an infrared optical parametric oscillator with a tunable diode laser. Opt. Lett., 19 (4). pp. 281-283.

Milton, M J; Gardiner, T D; Chourdakis, G; Woods, P T (1994) Injection seeding of an infrared optical parametric oscillator with tunable diode laser. Opt. Lett., 19 (4). pp. 281-283.

Quincey, P; Woods, P T; Nettleton, D H (1994) Pinning gas analysis to firm foundations. Laboratory News, 516 (VAM in). pp. 6 - 7.

Milton, M J T; Gardiner, T D; Woods, P T (1994) A tunable injection-seeded optical parametric oscillator between 10526 µm and 10578 µm. Proceedings of the Optical Society of America., 20. pp. 451-453.

Partridge, R H; Woods, P T (1993) Air pollution: quality assurance and remote monitoring. Environmental Sensors (Novemb). p. 8.

Woods, P T; Partridge, R H; Davenport, A J; Milton, M J T (1993) Gas standards and monitoring techniques for measurements of vehicle and industrial emissions, workplace exposure and air quality. Bull. OIML, 131. p. 12.

Milton, M J T; Woods, P T; Partridge, R H; Jolliffe, B W (1993) Long-path methods for remote sensing of pollutants in the boundary layer. Proc. SPIE - Int. Soc. Opt. Eng., 1715. pp. 312-321.

Milton, M J T; Woods, P T (1993) Range-resolved measurements of air pollution using lasers. Analytical Proceedings, 30. pp. 484-486.

Conference or Workshop Item

Gardiner, T D; Coleman, M D; Banerji, M; Leggett, G A; Milton, M J T; Woods, P T (2006) Validation of infrared spectroscopic methods for high-accuracy measurements of gases. In: CPEM 2006 Conference on Precision Electromagnetic Measurements, 9-14 July 2006, Torino, Italy.

Milton, M J T; Woods, P T (2004) Demonstrating the traceability of gas standards in europe for ambient air quality, natural gas analysis and motor vehicle emissions. In: 2004 Pittsburge Conference on Analytical Chemistry and Applied Spectroscopy (PITTCON), March 2004, Chicago, USA.

Milton, M J T; Woods, P T; Nettleton, D H (2004) Requirements of EU directives for gas analysis through ISO 17025 and traceability to National Metrology Institutes. In: 2004 National Conference of Standards Laboratories (NCSLI), July 2004, Salt lake City, USA.

Milton, M J T; Brown, A; Woods, P T (2002) Natural gas standards at the National Physical Laboratory. In: 2nd International Gas Analysis Symposium, 31 January - 1 February 2002, Maastricht.

Milton, M J T; Woods, P T; Nettleton, D H (1999) National measurement standards and systems for chemistry. In: National Measurement Conference (NMC) 1999, November 1999, Brighton, UK.

Quincey, P; Woods, P T (1999) Putting the quality into air quality measurements. In: National Measurement Conference (NMC) 1999, 2-4 November 1999, Brighton, UK.

Woods, P T; Milton, M J T; Gardiner, T (1997) The application of optical remote monitoring techniques to regulatory measurements of industrial emissions. In: 90th AGM Air and Waste management Association, June 1997, Toronto, Canada.

Gardiner, T; Milton, M J T; Molero, F*; Woods, P T (1996) Infrared DIAL measurements with injection-seeded OPO. In: Advances in Atmospheric Remote Sensing with Lidar, 1996.

Cox, M G; Harris, P M; Milton, M J T; Woods, P T (1996) Method for evaluating trends in ozone concentration data and its application to data from the UK Rural Ozone Monitoring Network. In: Advanced mathematical tools in metrology III, 25-28 September 1996, Singapore.