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    BS 1747-7(1983) : 1983

    METHODS FOR MEASUREMENT OF AIR POLLUTION - DETERMINATION OF MASS CONCENTRATION OF SULFUR DIOXIDE IN AMBIENT AIR: THORIN SPECTROPHOTOMETRIC METHOD

    British Standards Institution

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    BS 1747-6(1983) : 1983

    METHODS FOR MEASUREMENT OF AIR POLLUTION - SAMPLING EQUIPMENT USED FOR THE DETERMINATION OF GASEOUS SULFUR COMPOUNDS IN AMBIENT AIR

    British Standards Institution

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    BS 1747-8(1986) : 1986

    METHODS FOR MEASUREMENT OF AIR POLLUTION - DETERMINATION OF THE MASS CONCENTRATION OF NITROGEN DIOXIDE IN AMBIENT AIR: MODIFIED GRIESS-SALTZMAN METHOD

    British Standards Institution

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    BS 1747-9(1987) : 1987

    METHODS FOR MEASUREMENT OF AIR POLLUTION - DETERMINATION OF THE MASS CONCENTRATION OF NITROGEN OXIDES IN AMBIENT AIR: CHEMILUMINESCENCE METHOD

    British Standards Institution

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    BS 1747-10(1990) : 1990

    METHODS FOR MEASUREMENT OF AIR POLLUTION - DETERMINATION OF THE MASS CONCENTRATION OF SULFUR DIOXIDE IN AMBIENT AIR: TETRACHLOROMERCURATE (TCM)/PARAROSANILINE METHOD

    British Standards Institution

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    BS 1747-11(1993) : 1993

    METHODS FOR MEASUREMENT OF AIR POLLUTION - DETERMINATION OF A BLACK SMOKE INDEX IN AMBIENT AIR

    British Standards Institution

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    BS 1747-12(1993) : 1993

    METHODS FOR MEASUREMENT OF AIR POLLUTION - DETERMINATION OF THE MASS CONCENTRATION OF OZONE IN AMBIENT AIR: CHEMILUMINESCENCE METHOD

    British Standards Institution

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    BS ISO 10312 : 1995

    AMBIENT AIR - DETERMINATION OF ASBESTOS FIBRES - DIRECT-TRANSFER TRANSMISSION ELECTRON MICROSCOPY METHOD

    British Standards Institution

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    BS ISO 13964 : 1998

    AIR QUALITY - DETERMINATION OF OZONE IN AMBIENT AIR - ULTRAVIOLET PHOTOMETRIC METHOD

    British Standards Institution

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    BS ISO 6768 : 1998

    AMBIENT AIR - DETERMINATION OF MASS CONCENTRATION OF NITROGEN DIOXIDE - MODIFIED GRIESS-SALTZMAN METHOD

    British Standards Institution

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