jrc79301_report%20eu-rl%20pahs%20pt%20on%20chocolate%202012_ver11

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Laboratory Figure 5: Graphical presentation of z-scores corresponding to the "values for proficiency assessment" reported by the NRLs for the contents of BAA_FAT, BAP_FAT, BBF_FAT, CHR_FAT, and the sum of 4 PAHs parameter (SUM_FAT) in the chocolate test material. The assessment was based on results expressed on fat basis (µg/kg fat). Blue triangles indicate satisfactory performance; yellow triangles indicate questionable performance; red triangles indicate non-satisfactory performance; z-score values are presented above the triangles for the last two performance categories. 1001 1002 1004 1005 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1020 1022 1023 1025 1027 1028 1029 1030 Measurand BAA_FAT BAP_FAT BBF_FAT CHR_FAT SUM_FAT -2.0 -2.3 -2.2 2.3 2.5 5.4 -2.1 27.5 -3 0 3 -3 0 3 -3 0 Z Score 3 -3 0 3 -3 0 3 2.5 4.0 5.3 -4.3 -4.0 -4.0 -4.2 3.1 -2.4 -2.4 9.5 5.0 -4.1 2.7 2.7 -7.9 -2.7 11.2 12.6 4.4 PROLab Plus 24
Table 12: Compilation of z-scores calculated from the “results for proficiency assessment" reported by the NRLs for the chocolate test material. Results are expressed on fat basis (µg/kg fat): z-scores outside the satisfactory range (|z| > 2) are indicated by bold red font. 25
Page 1 and 2: Report on the 10 th inter-laborator
Page 3 and 4: Report on the 10 th inter-laborator
Page 5 and 6: 1 Summary This report presents the
Page 7 and 8: 3 Scope As specified in Regulation
Page 9 and 10: Table 3: List of participating Offi
Page 11 and 12: The stability of the test material
Page 13 and 14: 8 Design of the proficiency test Th
Page 15 and 16: Figure 1 and Figure 2 provide overv
Page 17 and 18: Table 8: Compilation of z-scores ca
Page 19 and 20: Table 9: Compilation of z-scores ca
Page 21 and 22: Table 10: Compilation of z-scores c
Page 23: Table 11: Compilation of z-scores c
Page 27 and 28: Table 13: Compilation of z-scores c
Page 29 and 30: 9.4 6Evaluation of compliance with
Page 31 and 32: 13 References 1 EU, COMMISSION REGU
Page 33 and 34: ANNEX 1: Announcement of the PT on
Page 36 and 37: Confirmation of participation 36
Page 38: ANNEX 4: Documents sent to particip
Page 43: GUIDANCE FOR REPORTING 43
Page 48 and 49: ANNEX 5: Technical specifications o
Page 50: ANNEX 6: Homogeneity of the test ma
Page 54: ANNEX 7: Questionnaire and method p
Page 58 and 59: continued: 58
Page 68 and 69: Method performance data reported by
Page 70 and 71: Method performance data reported by
Page 72 and 73: Results reported by NRLs for the co
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µg/kg Distribution of individual r
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Results reported by OCLs for the co
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Results reported by NRLs for the co
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Results reported by OCLs for the su
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Results reported by OCLs for the fa
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As the Commission’s in-house scie
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jrc79301_report%20eu-rl%20pahs%20pt%20on%20chocolate%202012_ver11

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