{"id":288296,"date":"2024-10-19T19:33:00","date_gmt":"2024-10-19T19:33:00","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-8468-3-22020\/"},"modified":"2024-10-25T16:27:11","modified_gmt":"2024-10-25T16:27:11","slug":"bs-8468-3-22020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-8468-3-22020\/","title":{"rendered":"BS 8468-3.2:2020"},"content":{"rendered":"
This British Standard specifies the requirements for air-purifying devices incorporating a hood intended to be used only during escape by emergency responders (e.g. \ufb01re, ambulance, police) and adult civilians from areas contaminated by chemical, biological, radiological and nuclear (CBRN) agents.<\/p>\n
This British Standard is applicable to Type ES CBRN devices. Type ES CBRN devices provide resistance to liquid and gaseous chemical agent permeation and penetration and provide protection capability against hazardous particulate matter.<\/p>\n
This British Standard contains requirements for classi\ufb01cation, testing and marking of the device.<\/p>\n
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
---|---|---|---|---|---|---|---|
4<\/td>\n | Foreword <\/td>\n<\/tr>\n | ||||||
7<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
8<\/td>\n | 4 Classification 4.1 Classification in terms of suitability for escape from fire 4.2 Classi\ufb01cation in terms of designated duration 5 Requirements <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | 5.1 General 5.2 Preconditioning 5.3 Visual inspection 5.4 Inward leakage 5.5 Filters \u2013 Gas\/vapour element Table 1 \u2014 Breakthrough times <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | Table 2 \u2014 Filter test challenge and test breakthrough concentrations 5.6 Filters \u2013 Particular element 5.7 Chemical agent permeation and penetration <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | Figure 1 \u2014 Sulfur mustard (HD) agent droplet placement for device 5.8 Donning 6 Marking 6.1 General <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | 6.2 Hood 6.3 Filters 6.4 Packaging <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | Figure 2 \u2014 Pictograms 7 Information supplied by the manufacturer <\/td>\n<\/tr>\n | ||||||
15<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Respiratory protective devices for use against chemical, biological, radiological and nuclear (CBRN) agents – Air-purifying devices incorporating a hood for escape. Speci\ufb01cation<\/b><\/p>\n |