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The Air Quality Limit Values (Scotland) Regulations 2003

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Regulation 9(13)

SCHEDULE 8REFERENCE METHODS FOR ASSESSMENT OF CONCENTRATIONS OF RELEVANT POLLUTANTS AND OZONE

PART IREFERENCE METHOD FOR THE ANALYSIS OF SULPHUR DIOXIDE

ISO/FDIS 10498 (Standard in draft) Ambient air – determination of sulphur dioxide – ultraviolet fluorescence method.

PART IIREFERENCE METHOD FOR THE ANALYSIS OF NITROGEN DIOXIDE AND OXIDES OF NITROGEN

ISO 7996: 1985 Ambient air – determination of the mass concentrations of nitrogen oxides – chemiluminescence method.

PART IIIAREFERENCE METHOD FOR THE SAMPLING OF LEAD

The reference method for the sampling of lead will be that described in the Annex to Directive 82/884/EEC(1) until such time as the limit value in Schedule 1 to these Regulations is to be met, when the reference method will be that for PM10 specified in Part IV of this Schedule.

PART IIIBREFERENCE METHOD FOR THE ANALYSIS OF LEAD

ISO 9855: 1993 Ambient air – Determination of the particulate lead content of aerosols collected in filters. Atomic absorption spectroscopy method(2).

PART IVREFERENCE METHOD FOR THE SAMPLING AND MEASUREMENT OF PM10

The reference method for the sampling and measurement of PM10 will be that described in EN 12341 “Air Quality – Field Test Procedure to Demonstrate Reference Equivalence of Sampling Methods for the PM10 fraction of particulate matter”(3). The measurement principle is based on the collection on a filter of the PM10 fraction of ambient particulate matter and the gravimetric mass determination.

PART VREFERENCE METHOD FOR THE SAMPLING AND ANALYSIS OF BENZENE

The reference method for the measurement of benzene will be a pumped sampling method on a sorbent cartridge followed by gas chromatographic determination.

PART VIREFERENCE METHOD FOR THE ANALYSIS OF CARBON MONOXIDE

The reference method for the measurement of carbon MONOXIDE will be a non-dispersive infra-red spectrometric (NDIR) method.

PART VIIREFERENCE METHODS FOR THE ANALYSIS OF OZONE AND CALIBRATION OF OZONE INSTRUMENTS

The reference method for analysis of ozone shall be the UV photometric method (ISO FDIS 13964 or equivalent).

The reference method for calibration of ozone instruments shall be the Reference UV photometer method (ISO FDIS 13964, VDI 2468, B1.6 or equivalent).

(1)

O.J. No. L 378, 31.12.1982, p.15.

(2)

European Standards Institute “CEN” publication reference BSEN 12341, obtainable from the British Standards Institution, see note (a) to Part I of Schedule 7 above.

(3)

European Standards Institute “CEN” publication reference BSEN 12341, obtainable from the British Standards Institution, as for footnote (a) to Part I of Schedule 7 above.

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