Protective clothing. Protection against liquid chemicals. Measurement of repellency, retention, and penetration of liquid pesticide formulations through protective clothing materials Ingestion-build-189776 BS EN 4809 determines the

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Protective clothing. Protection against liquid chemicals. Measurement of repellency, retention, and penetration of liquid pesticide formulations through protective clothing materials Ingestion-build-189776 BS EN 4809 determines the1 Scope This International Standard specifies a test method to measure repellency, retention and penetration of a known volume of liquid pesticide when applied to protective clothing material. No external hydrostatic or mechanical pressure is applied to the test specimen during or after the application of the liquid pesticide. The degree of contamination depends on numerous factors such as type of exposure, application technique, and pesticide