Respiratory protective devices for use against chemical, biological, radiological and nuclear (CBRN) agents - Positive pressure, self-contained, open-circuit breathing apparatus. Specification1 Scope This British Standard specifies requirements for positive pressure, self contained, open circuit breathing apparatus (SCBA) intended to be used during fire fighting, rescue, evacuation, escape, hazard containment and decontamination, and similar activities by emergency first responders (e. g. fire, ambulance, police, and associated civilian agencies and workers) in areas containing and contaminated by chemical, biological, radiological and

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as well as those corresponding to free alkali metal hydroxide or carbonates and any silicates present will be titrated under the test conditions

ISO 10070 navigates you through the permeability

BS EN 15633‑1 assist in obtaining reproducible results when conducting onsite food testing or by different analysts in private and official control laboratories

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the capacity of in-duct UVGI devices for air disinfection can be evaluated and compared reliably

1   This European Standard specifies the common requirements for safety and the (minimum) common performance requirements of firefighting and rescue service vehicles as designated in EN 1846‑1

BS EN 12697-3 on bituminous mixtures is relevant to:

Contents of BS7273-4

BS EN 12819 is applicable for:

BS EN IEC 60309‑5 is the fifth part of an international multi-series standard that focuses on specifications for plugs

BS 102000 gives recommendations for the conduct