Registration number (WIID)Project No.TitleStatus
75571ISO 23431:2021Measurement of road tunnel air qualityStandarts spēkā
23528ISO 13964:1998Air quality — Determination of ozone in ambient air — Ultraviolet photometric methodStandarts spēkā
13262ISO 6768:1998Ambient air — Determination of mass concentration of nitrogen dioxide — Modified Griess-Saltzman methodStandarts spēkā
10015ISO 4221:1980Air quality — Determination of mass concentration of sulphur dioxide in ambient air — Thorin spectrophotometric methodStandarts spēkā
26111ISO 14965:2000Air quality — Determination of total non-methane organic compounds — Cryogenic preconcentration and direct flame ionization detection methodStandarts spēkā
87237ISO 10313:1993/Amd 1:2024Ambient air — Determination of the mass concentration of ozone — Chemiluminescence 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
18359ISO 10313:1993Ambient air — Determination of the mass concentration of ozone — Chemiluminescence methodStandarts spēkā
10013ISO 4219:1979Air quality — Determination of gaseous sulphur compounds in ambient air — Sampling equipmentStandarts spēkā
32201ISO 16362:2005Ambient air — Determination of particle-phase polycyclic aromatic hydrocarbons by high performance liquid chromatographyStandarts spēkā
10014ISO 4220:1983Ambient air — Determination of a gaseous acid air pollution index — Titrimetric method with indicator or potentiometric end-point detectionStandarts spēkā
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