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Water quality. Guidance for determination of biodegradability in the marine environment.

Water quality — Guidance for determination of biodegradability in the marine environment

Overview ISO 16221:2001 - Water quality - Guidance for determination of biodegradability in the marine environment - provides standardized guidance for measuring the ultimate aerobic biodegradability…

Plastics — Polystyrene (PS) moulding and extrusion materials — Part 1: Designation system and basis for speci…

Plastics. Polystyrene (PS) moulding and extrusion materials - Designation system and basis for specifications

1 Scope 1.1 This part of ISO 1622 establishes a system of designation for polystyrene thermoplastic material, which may be used as the basis for specifications.