Round robin tests XRF-analysis Round-robin test HSL, APC, TNO - SEMS 1 - 4 air samples asbestos - 2012
Study organized by:
                    Health & Safety Laboratory (HSL, UK), APC (Germany), TNO (Netherlands)
                    
                    Material of proficiency test:
                    SEMS asbestos fibre counting PT scheme - 4 air samples asbestos (SEM) according to guideline VDI 3492
                    
                    Study finished:
                    2012 - 5
                    
                    Literature:
                    SEM Asbestos Fibre Counting PT Scheme - Report for Round 1
                major elements [wt %]
| CRB | RV | 1sRV | Z-Score | |
trace elements [µg/g]
| CRB | RV | 1sRV | Z-Score | |
Legend
CRB
                            results CRB
                            cooperative test 
                            results collaborative study
                            1s-RV
                            Standard deviation collaborative study
                            Z-Score
                            Difference of measured value from mean study
                            *
                            Value not certified
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