BSI 19/30377910 DC:2019 Edition
$13.70
BS 8468-8. Respiratory protective devices for use against chemical, biological, radiological and nuclear (CBRN) agents – Part 8. Test methods
| Published By | Publication Date | Number of Pages |
| BSI | 2019 | 20 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | 30377910_F36.PDF |
| 3 | 30377910_Text.pdf |
| 5 | 1 Scope 1 Scope 2 Normative references 2 Normative references 3 Terms and definitions 3 Terms and definitions 3.1 chemical agent 3.1 chemical agent 3.2 biological agent |
| 6 | 3.2 biological agent 3.2 biological agent 3.3 radiological agent 3.3 radiological agent 3.4 nuclear agent 3.4 nuclear agent 3.5 penetration 3.5 penetration 3.6 sarin (GB) 3.6 sarin (GB) 3.7 sulfur mustard (HD) 3.7 sulfur mustard (HD) 4 Classification of CBRN types 4 Classification of CBRN types 4.1 CBRN1 4.1 CBRN1 4.2 CBRN2 4.2 CBRN2 4.3 CBRN3 4.3 CBRN3 4.4 Escape CBRN 4.4 Escape CBRN |
| 7 | 5 Prerequisites 5 Prerequisites 6 Visual inspection 6 Visual inspection 7 Test method for chemical agent permeation and penetration resistance against distilled sulfur mustard (HD) and sarin (GB) 7 Test method for chemical agent permeation and penetration resistance against distilled sulfur mustard (HD) and sarin (GB) 7.1 General 7.1 General |
| 8 | 7.2 Pass/Fail criteria 7.2 Pass/Fail criteria |
| 9 | 7.3 Materials 7.3 Materials 7.3.1 Distilled sulfur mustard (HD), liquid purity ≥95% traceable to a nationally or internationally recognized standard, used within one year of analysis. 7.3.1 Distilled sulfur mustard (HD), liquid purity ≥95% traceable to a nationally or internationally recognized standard, used within one year of analysis. 7.3.2 Sarin (GB), liquid purity ≥95% traceable to a nationally or internationally recognized standard, used within one year of analysis. 7.3.2 Sarin (GB), liquid purity ≥95% traceable to a nationally or internationally recognized standard, used within one year of analysis. 7.3.3 Dilute HD, used to test the calibration of the continuous air monitoring system, at a concentration chosen to be at the mid-point of the continuous air monitoring system calibration curve. 7.3.3 Dilute HD, used to test the calibration of the continuous air monitoring system, at a concentration chosen to be at the mid-point of the continuous air monitoring system calibration curve. 7.3.4 Dilute GB, used to test the calibration of the continuous air monitoring system, at a concentration chosen to be at the mid-point of the continuous air monitoring system calibration curve. 7.3.4 Dilute GB, used to test the calibration of the continuous air monitoring system, at a concentration chosen to be at the mid-point of the continuous air monitoring system calibration curve. 7.3.5 Breathing gas, in accordance with the water content requirements of PD ISO/TS 16975-1:2016, Table 12. Oil, particle and condensate content shall be ≤0.5 mg/m3. 7.3.5 Breathing gas, in accordance with the water content requirements of PD ISO/TS 16975-1:2016, Table 12. Oil, particle and condensate content shall be ≤0.5 mg/m3. 7.4 Apparatus 7.4 Apparatus 7.4.1 General 7.4.1 General 7.4.2 Manikin 7.4.2 Manikin 7.4.3 Exposure chamber 7.4.3 Exposure chamber |
| 10 | 7.4.4 Detectors 7.4.4 Detectors 7.4.4.1 Leak detector 7.4.4.1 Leak detector 7.4.4.2 Continuous detection systems 7.4.4.2.1 Challenge concentration monitoring system |
| 11 | 7.4.4.2 Continuous detection systems 7.4.4.2 Continuous detection systems 7.4.4.2.1 Challenge concentration monitoring system 7.4.4.2.2 Breathing zone concentration monitoring system 7.4.4.2.2 Breathing zone concentration monitoring system 7.4.4.3 Agent delivery system 7.4.4.3 Agent delivery system 7.4.4.4 Breathing machine 7.4.4.4 Breathing machine 7.4.4.5 Breathable gas supply system 7.4.4.5 Breathable gas supply system 7.5 Preparation |
| 12 | 7.5 Preparation 7.5 Preparation 7.5.1 RPD assembly/pre-check 7.5.1 RPD assembly/pre-check 7.5.2 Optional pre-screening test 7.5.2 Optional pre-screening test 7.5.2.1 Principle 7.5.2.1 Principle 7.5.2.2 Procedure 7.5.2.2 Procedure 7.5.3 Agent background test 7.5.3 Agent background test 7.5.3.1 Procedure 7.5.3.1 Procedure |
| 13 | 7.5.3.2 Set-up 7.5.3.2 Set-up 7.6 Chemical agent test methods 7.6 Chemical agent test methods 7.6.1 General 7.6.1 General 7.6.2 Sarin (GB) vapour permeation test |
| 14 | 7.6.2 Sarin (GB) vapour permeation test 7.6.2 Sarin (GB) vapour permeation test 7.6.3 Mustard (HD) liquid and vapour permeation test 7.6.3 Mustard (HD) liquid and vapour permeation test 7.6.3.1 Test timing 7.6.3.1 Test timing 7.6.3.2 Procedure for vapour permeation test (CBRN1) 7.6.3.2 Procedure for vapour permeation test (CBRN1) 7.6.3.3 Liquid and vapour permeation test (CBRN2, CBRN3 and Escape CBRN) 7.6.3.3.1 Allocation of droplets |
| 15 | 7.6.3.3 Liquid and vapour permeation test (CBRN2, CBRN3 and Escape CBRN) 7.6.3.3 Liquid and vapour permeation test (CBRN2, CBRN3 and Escape CBRN) 7.6.3.3.1 Allocation of droplets 7.6.3.3.2 Procedure for vapour permeation test (CBRN2) 7.6.3.3.2 Procedure for vapour permeation test (CBRN2) 7.6.3.3.3 Procedure for vapour permeation test (CBRN3 and ES CBRN) 7.6.3.3.3 Procedure for vapour permeation test (CBRN3 and ES CBRN) |
| 19 | 8 Test report 8 Test report |
