This International Standard establishes general principles for the measurement of spray drift in wind tunnels under controlled laboratory conditions.This International Standard is applicable where comparative assessment or classification of the relative spray drift potential from spray generators (e.g. nozzles) or spray liquids is needed.
DS/ISO 22856:2009 history
2009DS/ISO 22856:2009 Equipment for crop protection - Methods for the laboratory measurement of spray drift - Wind tunnels