Plastics. Environmental aspects. State of knowledge and methodologies1 Scope This document summarizes current scientific literature on the occurrence of macroplastics and microplastics, in the environment and biota. It gives an overview of testing methods, including sampling from various environmental matrix, sample preparation and analysis. Further, chemical and physical testing methods for the identification and quantification of plastics are described. This document gives recommendations for three steps necessary

Force calibration requirements have been clarified

methods and is used in floorings and wall coverings

Annex F (normative) Curing recommendations for different cement types

NOTE Foam products are either called flexible or rigid

the lot is then acceptable if the second sample contains no nonconforming items (nonconformities) and not acceptable otherwise

This Technical Specification states the minimum requirements for DC power supply for notebook computers

1) planned water supply interruptions forming part of drinking water utilities’ normal operations

sufficient commonality of construction exists as to make possible more detailed instructions for their repair

ISO 9994 applies to all flame-producing products commonly known as cigarette lighters

Other cleanliness attribute levels can be determined using BS EN ISO 14644-8 (levels of air cleanliness by chemicals)

Airframe double row ball bearings are crucial for the smooth functioning of aircraft

as well as down-conductor systems are also referenced in this standard