nsBAS ISO 21438-2:2025 Workplace atmospheres — Determination of inorganic acids by ion chromatography — Part 2: Volatile acids, except hydrofluoric acid (hydrochloric acid, hydrobromic acid and nitric acid)
40.20
BAS/TC 7
15.05.2025
15.07.2025
nsBAS ISO 23646:2025 Soil quality — Determination of organochlorine pesticides by gas chromatography with mass selective detection (GC-MS) and gas chromatography with electron-capture detection (GC-ECD)
40.20
BAS/TC 7
15.05.2025
15.07.2025
nsBAS ISO 24510:2025 Activities relating to drinking water and wastewater services — Guidelines for the assessment and for the improvement of the service to users
40.20
BAS/TC 7
15.05.2025
15.07.2025
nsBAS ISO 24511:2025 Activities relating to drinking water and wastewater services — Guidelines for the management of wastewater utilities and for the assessment of wastewater services
40.20
BAS/TC 7
15.05.2025
15.07.2025
nsBAS ISO 24512:2025 Activities relating to drinking water and wastewater services — Guidelines for the management of drinking water utilities and for the assessment of drinking water services
40.20
BAS/TC 7
15.05.2025
15.07.2025
nsBAS ISO 29463-1:2025 High efficiency filters and filter media for removing particles in air — Part 1: Classification, performance, testing and marking
40.20
BAS/TC 7
15.05.2025
15.07.2025
nsBAS ISO 7935:2025 Stationary source emissions — Determination of the mass concentration of sulfur dioxide in flue gases — Performance characteristics of automated measuring systems
