Hovedemner

This European Standard describes a standard method for determining the PM10 or PM2,5 mass concentrations of suspendedparticulate matter in ambient air by sampling the particulate matter on filters and weighing them by means of a balance. Measurements are performed with samplers with inlet designs as specified in Annex A, operating at a nominal flow rate of 2,3 m3/h,over a nominal sampling period of 24 h. Measurement results are expressed in μg/m3, where the volume of air is the volume atambient conditions near the inlet at the time of sampling. The range of application of this European Standard is for 24 h measurements from approximately 1 μg/m3 (i.e. the limit of detection ofthe standard measurement method expressed as its uncertainty) up to 150 μg/m3 for PM10 and 120 μg/m3 for PM2,5. This European Standard describes procedures and gives requirements for the testing and use of so-called sequential samplers,equipped with a filter changer, suitable for extended stand-alone operation. Sequential samplers are commonly used throughout theEuropean Union for the measurement of concentrations in ambient air of PM10 or PM2,5. However, this European Standard does notexclude the use of single-filter samplers. This European Standard represents an evolution of earlier European Standards (EN 12341:1998 and 2014, EN 14907:2005). Newequipment procured shall comply fully with this European Standard. Older versions of these samplers, including those described in EN 12341:2014 Annex B, have a special status in terms of their use. These samplers can still be used for monitoring purposes and for ongoing quality control, provided that a well justified additionalallowance is made to their uncertainties This European Standard also provides guidance for the selection and testing of filters with the aim of reducing the measurementuncertainty of the results obtained when applying this European Standard.

This document is applicable to anionic and non-ionic polyacrylamides used for treatment of water intended for human consumption. It describes the characteristics of anionic and non-ionic polyacrylamides and specifies the requirements and the corresponding test methods for anionic and non-ionic polyacrylamides. It gives information on their use in water treatment.

This document specifies the criteria for system acceptance and type approval of a wheel slide protection (WSP) system. It also specifies criteria for the implementation of WSP to specific vehicle applications and specific operating conditions, as well as requirements for wheel rotation monitoring (WRM). This includes the design, testing and quality assessment of the WSP and WRM systems and their components. This European Standard does not apply to vehicles on rubber tyred wheels or vehicles equipped with hydraulic brakes.

This document is applicable to sodium alginate used for treatment of water intended for human consumption. It describes the characteristics of sodium alginate and specifies the requirements and the corresponding test methods for sodium alginate. It gives information on their use in water treatment.

This document is applicable to cationic polyacrylamides used for treatment of water intended for human consumption. It describes the characteristics of cationic polyacrylamides and specifies the requirements and the corresponding test methods for cationic polyacrylamides. It gives information on their use in water treatment.

This document is applicable to polyamines used for treatment of water intended for human consumption. It describes the characteristics of polyamines and specifies the requirements and the corresponding test methods for polyamines. It gives information on their use in water treatment.

This document is applicable to poly (diallyldimethylammonium chloride) used for treatment of water intended for human consumption. It describes the characteristics of poly (diallyldimethylammonium chloride) and specifies the requirements and the corresponding test methods for poly (diallyldimethylammonium chloride). It gives information on their use in water treatment.

This guideline provides a list of recommended tests that can be used to assess the quality of chemicals used in tanning process. This guideline applies to chemicals whose application has the same effect on leather, grouped in families.

This standard specifies a method for the rapid infusion of water to an adhesive layer using a specimen with one side open, the secondary bonding the specimens with the adhesive layer that is still moistened, and a shear strength test of the secondary bonded specimen. This test procedure does not provide design information.

La présente Norme internationale spécifie l'atmosphère de conditionnement et d'essai à laquelle sont soumis les échantillons et les éprouvettes de tabac et de produits du tabac. Elle est applicable aux essais sur le tabac, les produits du tabac et les matières utilisées dans la fabrication des produits du tabac pour lesquels un conditionnement préalable est nécessaire. Elle n'est pas applicable dans le cas de méthodes et de conditions d'essai faisant l'objet d'autres Normes internationales (voir la bibliographie).

NOTE : Les atmosphères de conditionnement et d'essai d'autres produits du tabac, tels que cigares, tabac à pipe ou tabac à priser, peuvent différer de celles spécifiées dans l'ISO 3402. Des normes distinctes seront rédigées, si nécessaire.