FprEN ISO 16911-1, Stationary source emissions - Manual and automatic determination of velocity and volume flow rate of waste gas in ducts - Part 1: Manual reference method (ISO/FDIS 16911-1:2026) (50.20)
FprEN ISO 6974-4, Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 4: Guidelines and requirements for gas analysis (ISO/FDIS 6974-4:2026) (50.20)
ISO/FDIS 14070-1, Greenhouse Gas (GHG) emission measurements in urban environments — Part 1: GHG concentration measurements in urban atmospheres with surface-based observing networks (50.00)
prEN 481, Workplace exposure - Size fraction definitions for measurement of airborne particles (40.60)
prEN ISO 13734 rev, Natural gas - Organic components used as odorants for fuel gases - Requirements and test methods (ISO/DIS 13734 rev:2026) (40.60)
prEN ISO 14111, Natural gas - Guidelines to metrological traceability (ISO/DIS 14111:2026) (40.60)
prEN 1948-5, Stationary source emissions - Determination of the mass concentration of PCDDs/PCDFs and dioxin-like PCBs - Part 5: Long-term sampling of PCDDs/PCDFs/PCBs (40.60)
prEN 13528, Ambient air quality - Diffusive samplers for the determination of concentrations of gases - Requirements, validation methods and use (40.20)
prEN 18373, Workplace exposure - Measurement of viruses in workplace air (40.20)
EN ISO 6142-1:2015/prA1, Gas analysis - Preparation of calibration gas mixtures - Part 1: Gravimetric method for Class I mixtures - Amendment 1: Corrections to formulae in Annex E and Annex G (ISO 6142-1:2015/Amd 1:2020) (40.20)
IEC/DIS 62990-1, Workplace Atmospheres — Part 1: Gas detectors — Performance requirements of detectors for toxic gases (40.20)
ISO/DIS 16200-1, Workplace air — Sampling and analysis of volatile organic compounds by solvent desorption/gas chromatography — Part 1: Pumped sampling method (40.20)
ISO/DIS 16200-2, Workplace air — Sampling and analysis of volatile organic compounds by solvent desorption/gas chromatography — Part 2: Diffusive sampling method (40.20)
EN 14211:2024/prA1, Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence (40.10)
EN 14212:2024/prA1, Ambient air - Standard method for the measurement of the concentration of sulphur dioxide by ultraviolet fluorescence (40.10)
EN 14625:2024/prA1, Ambient air - Standard method for the measurement of the concentration of ozone by ultraviolet photometry (40.10)
EN 14626:2024/prA1, Ambient air - Standard method for the measurement of the concentration of carbon monoxide by non-dispersive infrared spectroscopy (40.10)
prEN 18443-1, Instrumental Odour Monitoring Systems (IOMS) - Part 1: Definitions and general aspects (40.10)
prEN 18443-2, Instrumental Odour Monitoring Systems (IOMS) - Part 2: Technical specifications and QA/QC requirements (40.10)
prEN 437-1, Test gases - Test pressures - Part 1: Appliance categories (40.10)
ISO/DIS 16000-10, Indoor air — Part 10: Determination of the emission of volatile organic compounds from building products and furnishing — Emission test cell method (40.00)
ISO 6143:2025/DAmd 1, Gas analysis — Comparison methods for determining and checking the composition of calibration gas mixtures — Amendment 1: Software B_LEAST – Performance check for non-linear model functions, alternative computer programs (40.00)
ISO/CD 16911-2, Stationary source emissions — Manual and automatic determination of velocity and volume flow rate in ducts — Part 2: Automated measuring systems (30.99)
FprCEN/TS 18443-3, Instrumental Odour Monitoring Systems (IOMS) - Part 3: Field validation (30.99)
FprCEN/TS 18489, Test Gases - Test pressures - Appliances categories for hydrogen admixtures - Expansion of EN 437-1 (30.99)
prEN ISO 16000-10 rev, Indoor air — Part 10: Determination of the emission of volatile organic compounds from building products and furnishing — Emission test cell method (30.99)
ISO/CD 21087, Gas analysis — Analytical methods for hydrogen fuel — Road vehicles (30.60)
ISO/CD 7708, Workplace air — Size fraction definitions for measurement of airborne particles (30.60)
ISO/CD 15713, Stationary source emissions — Sampling and determination of gaseous fluoride content (30.20)
ISO/CD 16000-29, Indoor air — Part 29: Test methods for VOC detectors (30.20)
prCEN/TS XXX, Fugitive and diffuse emissions of common concern to industry sectors - Standard methods to determine diffuse emission rates of methane into the atmosphere (20.60)
ISO/AWI 20593, Ambient air — Determination of the mass concentration of tire and road wear particles (TRWP) — Pyrolysis-GC-MS method (20.00)
ISO/AWI 26731, Spectroscopic Method for Measurement of Microplastics in Air (20.00)
ISO/AWI 4225, Air quality — General aspects — Vocabulary (20.00)
ISO/AWI 6145-4, Gas analysis — Preparation of calibration gas mixtures using dynamic volumetric methods — Part 4: Continuous syringe injection method (20.00)
ISO/AWI 7504, Gas analysis — Vocabulary (20.00)
ISO/AWI TR 23943-2, Workplace air — Quality control in measuring procedures — Part 2: Analyses performed in the laboratory (20.00)
ISO/AWI TR 24663, Workplace air – Filter performance for aerosol sample collection (20.00)
ISO/AWI 12219-11, Interior air of road vehicles — Part 11: Thermal desorption analysis of organic emissions for the characterization on non-metallic materials for vehicles (20.00)
ISO/AWI 14070-2, Environmental management — Greenhouse Gas (GHG) Emission Measurements — Part 2: Estimates of GHG Emissions from Anthropogenic Sources (20.00)
ISO/AWI 16000-3, Indoor air — Part 3: Determination of formaldehyde and other carbonyl compounds in indoor air and test chamber air — Active sampling method (20.00)
prCEN/TR 17055 rev, Workplace exposure - Measurement of chemical agents complying with the requirements given in EN 482 and either one of EN 13205, EN ISO 21832, EN ISO 22065, EN ISO 23320 and EN ISO 23861 - Choice of procedures (10.99)
prEN 18418, Stationary source emissions - Protocol for the SI-traceable calibration of elemental mercury (Hg0) gas generators used in the field (10.99)
prEN ISO 16000-32 rev, Indoor air — Part 32: Investigation of buildings for the occurrence of pollutants (10.99)
prEN ISO 16017-1 rev, Indoor, ambient and workplace air — Sampling and analysis of volatile organic compounds by sorbent tube/thermal desorption/capillary gas chromatography — Part 1: Pumped sampling (10.99)
prEN ISO 16017-2 rev, Indoor, ambient and workplace air — Sampling and analysis of volatile organic compounds by sorbent tube/thermal desorption/capillary gas chromatography — Part 2: Diffusive sampling (10.99)
prEN ISO 16911-2 rev, Stationary source emissions — Manual and automatic determination of velocity and volume flow rate in ducts — Part 2: Automated measuring systems (10.99)
prEN ISO 19739 rev, Natural gas — Determination of sulfur compounds using gas chromatography (10.99)
prEN ISO 6145-4 rev, Gas analysis — Preparation of calibration gas mixtures using dynamic volumetric methods — Part 4: Continuous syringe injection method (10.99)
prEN ISO 6976 rev, Natural gas — Calculation of calorific values, density, relative density and Wobbe indices from composition (10.99)
prEN ISO 6978-2 rev, Natural gas — Determination of mercury — Part 2: Sampling of mercury by amalgamation on gold/platinum alloy (10.99)
-, Ambient air — Standard method for the measurement of organic ozone precursor concentrations — Part 1: Automatic online monitoring using thermal desorption and gas chromatography (10.99)
-, Ambient air — Standard method for the measurement of organic ozone precursor concentrations — Part 2: Pumped sampling followed by thermal desorption and gas chromatography (10.99)
-, Ambient air — Standard method for the measurement of organic ozone precursor concentrations — Part 3: Manual or automatic canister sampling followed by offline GC with FID and/or MS (10.99)
-, Ambient air — Standard method for the measurement of organic ozone precursor concentrations — Part 4: Diffusive sampling followed by thermal desorption and gas chromatography (10.99)
-, Ambient air — Standard method for the measurement of organic ozone precursor concentrations — Part 5: Manual or automatic pumped sampling of formaldehyde on DNPH followed by offline HPLC/UV (10.99)
-, Ambient air — Standard method for the measurement of organic ozone precursor concentrations — Part 6: Diffusive sampling of formaldehyde on DNPH followed by offline HPLC/UV (10.99)
EN 14626:2024/prAC, Ambient air - Standard method for the measurement of the concentration of carbon monoxide by non-dispersive infrared spectroscopy (10.99)
EN ISO 12213-2:2009/prA1, Natural gas — Calculation of compression factor — Part 2: Calculation using molar-composition analysis — Amendment 1 (10.99)
EN ISO 6143:2025/prA1, Gas analysis — Comparison methods for determining and checking the composition of calibration gas mixtures — Amendment 1: Software B_LEAST – Performance check for non-linear model functions using alternative computer programs (10.99)
ISO/AWI 16000-32, Indoor air — Part 32: Investigation of buildings for the occurrence of pollutants (10.99)
ISO/AWI 16000-8, Indoor air — Part 8: Determination of local mean ages of air in buildings for characterizing ventilation conditions (10.99)
prEN ISO 15112 rev, Natural gas — Energy determination (10.99)
prEN ISO 15403-1 rev, Natural gas — Natural gas for use as a compressed fuel for vehicles — Part 1: Designation of the quality (10.99)
ISO/NP 26989, Gas analysis — Guidelines for using atomic weights (10.20)
ISO/NP 27133, Analysis of lung tissue for asbestos fibres by transmission electron microscopy (10.20)
ISO/NP 6145-12, Gas analysis — Preparation of calibration gas mixtures using dynamic methods — Part 12: Chemical reaction method (10.20)
prEN 13211 rev, Air quality - Stationary source emissions - Manual method of determination of the concentration of total mercury (00.60)
prEN 14181 rev, Stationary source emissions - Quality assurance of automated measuring systems (00.60)
prEN 14530 rev, Workplace exposure - Determination of diesel particulate matter - General requirements (00.60)
prEN 16909 rev, Ambient air - Measurement of elemental carbon (EC) and organic carbon (OC) collected on filters (00.60)
prEN 17286, Stationary source emissions - Mercury monitoring using sorbent traps (00.60)
prEN 17660-1, Air quality - Performance evaluation of air quality sensor systems - Part 1: Gaseous pollutants in ambient air (00.60)
prEN 17660-2, Air quality - Performance evaluation of air quality sensor systems - Part 2: Particulate matter in ambient air (00.60)
-, Ambient air - Automatic real time volumetric methods for sampling and analysis of airborne pollen grains and fungal spores (00.60)
-, Ambient air – Direct measurement of nitrogen dioxide (00.60)
-, Methods for the determination of black carbon mass concentration, aerosol light absorption coefficient and derived optical parameters in ambient air (00.60)
-, Metrological traceable protocol for the calibration of oxidised mercury gas generators (00.60)
-, Workplace exposure - Measurement and characterisation of biological agents in workplace air using Polymerase Chain Reaction (PCR) techniques - General requirements (00.60)
ISO/PWI 16000-45, Indoor air — Part 45: Indoor airborne particle number size distribution measurements (00.00)
ISO/PWI 21832-1, Workplace air — Metals and metalloids in airborne particles — Part 1: Requirements for evaluation of measuring procedures (00.00)
ISO/PWI 21832-2, Workplace air — Metals and metalloids in airborne particles — Part 2: Sampling (00.00)
ISO/PWI 21832-3, Workplace air — Metals and metalloids in airborne particles — Part 3: Sample preparation (00.00)
ISO/PWI 21832-4, Workplace air — Metals and metalloids in airborne particles — Part 4: Analysis by inductively coupled plasma emission spectrometry (00.00)
ISO/PWI 24171, Gas analysis — Calibration of FTIR and IRIS instruments for the determination of δ¹³C and δ¹⁸O in CO₂‑in‑air (00.00)
ISO/PWI 26237-1, Workplace air — Exposure assessment strategies — Part 1: General requirements (00.00)
ISO/PWI 26237-2, Workplace air — Exposure assessment strategies — Part 2: Strategy for testing compliance with inhalation occupational exposure limit values (00.00)
ISO/PWI 26744, Gas analysis — Determination of sulfur compounds in hydrogen fuel — Gas chromatography with sulphur chemiluminescence or flame photometric detector (00.00)
