Registration number (WIID)Project No.TitleStatus
37510ISO 15337:2009Ambient air — Gas phase titration — Calibration of analysers for ozoneAtcelts
18358ISO 10312:1995Ambient air — Determination of asbestos fibres — Direct transfer transmission electron microscopy methodAtcelts
13261ISO 6768:1985Ambient air — Determination of the mass concentration of nitrogen dioxide — Modified Griess-Saltzman methodAtcelts
22933ISO 13794:1999Ambient air — Determination of asbestos fibres — Indirect-transfer transmission electron microscopy methodAtcelts
17734ISO 9855:1993Ambient air — Determination of the particulate lead content of aerosols collected on filters — Atomic absorption spectrometric methodAtcelts
75571ISO 23431:2021Measurement of road tunnel air qualityAtcelts
87236ISO 13964:1998/Amd 1:2024Air quality — Determination of ozone in ambient air — Ultraviolet photometric method — Amendment 1: Consensus value for the ozone absorption cross-section at room temperature at the mercury-line wavelength (253,65 nm air)Standarts spēkā
32943ISO 10473:2000Ambient air — Measurement of the mass of particulate matter on a filter medium — Beta-ray absorption methodStandarts spēkā
13262ISO 6768:1998Ambient air — Determination of mass concentration of nitrogen dioxide — Modified Griess-Saltzman methodStandarts spēkā
23528ISO 13964:1998Air quality — Determination of ozone in ambient air — Ultraviolet photometric methodStandarts spēkā
Displaying 21-30 of 50 results.