&EPA
United States
Environmental Protection
Agency
Office of Research and
Development
Washington, DC 20460
EPA/600/R-96/086A
July 1996
Blind-A Performance
Evaluation Study
A Statistical Evaluation of
the April 16, 1996 Data
023HSL96 cov-086-A
-------
Blind-A
Performance Evaluation Study
April 16, 1996
Environmental Protection Agency
National Exposure Research Laboratory
Characterization Research Division
Las Vegas, Nevada
-------
UNITED STATES ENVIRONMENTAL PROTECTION AGENCY
OFFICE OF RESEARCH AND DEVELOPMENT
NATIONAL EXPOSURE RESEARCH LABORATORY
CHARACTERIZATION RESEARCH DIVISION-LAS VEGAS
P.O. BOX 93478
LAS VEGAS, NEVADA 89193-3478
(702/798-2100)
Dear Participant,
Enclosed are the results of the Analytical Sciences Branch (CRD-LV)
Performance Evaluation Study for Blind-A; April 16, 1996.
The known value for each analysis was determined by gravimetric methods,
checked by chemical analyses performed by CRD-LV's Radiochemistry Laboratory,
and compared to the participating laboratories' grand average.
The expected precision, determined by the known value, was taken from
'Table 3. Laboratory Precision: One Standard Deviation Values and Control Limits
for Various Analyses", which is based on data accumulated over the years by the
Performance Evaluation Program, and can be found in the Environmental Radioactivity
Performance Evaluation Studies Program and Radioactive Standards Distribution
Program information brochure.
Please take a few minutes to review this report and the analytical data your
laboratory submitted to us. If there are any apparent discrepancies, please notify us
immediately.
We encourage you to make use of the computer-automated data-entry system
that has been in place for some time now. As the number of participants increases,
and it becomes unrealistic for us to receive results by mail or FAX, the computer
system will be our only avenue for accepting data.
If you have any questions or comments, please send a message via the data-entry
system or contact Stephen Pia at 702/798-2102 or Patricia Honsa at 702/798-2141.
Sincerely,
Stephen Pia
Team Leader
RADQA Program
Enclosure
-------
NOTICE ,
This material has been funded wholly by
the U.S. Environmental Protection Agency.
It has been subjected to the Agency's review,
and has been approved for publication as
an EPA document.
-------
CRD-LV Performance Evaluation: Blind-A, lS-Apr-1996 1/30
The following pages cpnsist of separate sections for each of the nuclides in this study with four
parts per section. After the first, each part is separated from the next hy a new page or a thick
horizontal bar. The first page of each section is a statistical summary for the nuclide and starts
with a statement of the known value, the control limits, and the warning limits.
The warning limits are placed at two normalized standard deviations above and below the .
known value and the control limits are three normalized standard deviations above and below
the known value. If you keep control charts, these values will be useful for anticipating problems
with the accuracy of your analytical methods.
The coin shaped pie chart at the top of the summary page shows the fate of all the samples
sent out in number and percentage terms. The pie chart starts at the top and rotates clockwise.
The first sector represents those participants who submitted analytical results within both the
warning and control limits. The next sector represents those who are in the warning region but
not out of control. The third sector represents those who are out of control, but have passed
the outlier test. The fourth sector represents those who have failed the outlier test. The last
sector represents those participants who have failed to respond properly. This is the case if no
analytical results were returned, or less than three determinations were reported, or if the results
were received too late. The reeding on the edge of the coin is spaced at one percent intervals, and
the sector shading becomes darker as the data reliability decreases. Sectors with zero width are
not shown.
The table in the center shows a number of statistical quantities calculated from the submitted
data based on the mean and median values in relation to the known value, both before and after
outlier removal. The lower pie chart uses the same construction as the upper chart and shows
the distribution of properly submitted data in terms of deviation from the known value divided
into sectors representing one, two, three, and greater than three normalized standard deviations.
The second part is an alphabetical listing, in lab-code order, of submitted data and several
calculated quantities. An entry that is shaded has been rejected because of one of the reasons
listed above or failure of the outlier test. The fifth and sixth columns are a measure of laboratory
precision. The Range analysis is a normalized value that you may use to keep precision control
charts. The eighth and ninth columns are the differences from the mean of all non-outliers and
from the known value, respectively. If this value is between 2.0 and 3.0, your analytical process
precision is in the warning zone; if it exceeds 3.0 it is out of control. A tag symbol may appear in
the last column. Each page with tags has a symbol definition summary at the bottom. If there is
no tag symbol, the data is within the control limits, but it may be in the warning zone.
The third part is a three-column listing of result average, tag symbol, and lab-code in average
order excluding those labs not responding properly. In this order, all outliers and out-of-control
results appear at the top or bottom of the list.
The last part is two bar chart displays showing frequency distributions of responding
participants. The first chart places the known value at the center and a bar at each 0.2 unit of
expected precision. The second chart places the mean of the reported measurements at the center
and a bar at each 0.2 unit of standard deviation. In both cases, a bar includes those results within
0.1 unit up to the maximum of six. Any results more than six units from the center value are
shown cumulatively by a shaded bar one past the sixth unit. If the central tendency of the known
value distribution falls away from the center, an error in accuracy is indicated. If the distribution
is broad, poor precision is indicated. The mean value distribution is similar but uses the average
and standard deviation of reported results as its basis.
-------
2/30 CRD-LV Performance Evaluation: Blind-A, 16-Apr-1996
The Range Analysis(R + SR) is calculated from the range, mean range and standard error of
the range values. The range is the difference between the maximum and minimum results for the
laboratory. The mean range is calculated by multiplying the expected precision by 1.693(for three
results). The standard error of the range is calculated by multiplying the mean range by 2.575(for
three results), subtracting the mean range from this product, and dividing the result by 3. If the
range is greater than the mean range, then the range analysis is calculated by subtracting the
mean range from the range, dividing the result by the standard error of the range and adding 1.
If the mean range is greater than or equal to the range, then the range analysis is calculated by
dividing the range by the mean range.
The normalized deviation of the mean from the grand average is calculated from the deviation
of the mean from the grand average and the standard error of the mean values. The deviation of
the mean from the grand average is calculated by subtracting the grand average from the
average of the laboratory's three results. The standard error of the mean is calculated by
dividing the expected precision by the square root of 3(the number of results). The normalized
deviation of the mean from the grand average is calculated by dividing the deviation of the mean
from the grand average by the standard error of the mean.
The normalized deviation of the mean from the known value is calculated from the deviation of
the mean from the known value and the standard error of the mean values. The deviation of the
mean from the known value is calculated by subtracting the known value from the average of the
laboratory's three results. The standard error of the mean is calculated by dividing the expected
precision by the square root of 3(the number of results). The normalized deviation of the mean
from the known value is calculated by dividing the deviation of the mean from the known value by
the standard error of the mean.
A complete explanation of the statistical calculations involved in the report may be found in
the Environmental Radioactivity Performance Evaluation Studies Program information brochure
[Draft Revision of EPA-600/4-81-004], available from Patricia Honsa, CRD-LV, 702/798-2141.
-------
CRD-LV Performance Evaluation: Blind-A, 16-Apr-1996
3/30
Gross Alpha
Statistical Summary
175 Participants
The known value of this nuclide is 74.8 pCi/1 with an expected precision of 18.7; the control limits
are 42.4 to 107.2; the warning regions are 42.4 to 53.2 and 96.4 to 107.2
30(1 7.1 %) Failed to respond .
6(3.4 %) Outliers '
5(2.9 %) Out of control'
but not an outlier
'r
Statistic
; 123(70.3 %) Within all limits
Respondents
-11 (6.3 %) In warning zone
but within control
Non-outliers
Mean
Std. Dev.
Variance
% Coef. of Var.
% deviation of mean from known value
Norm. dev. of mean from known value
Median
% deviation of median from known value
Norm. dev. of median from known value
72.87 Grand Avg 68.69
45.18 12.02
2040.80 144.45
62.00 17.50
-2.58 -8.17
-0.04 -0.51
69.70 69.67
-6.82 -6.86
-0.11 -0.43
11 (7.6 %) More than 3 norm. S.D.
11 (7.6 %) Between 2 and 3 norm. S.D.
6(59.3 %) Within 1 norm. S.D.
of known value
37(25.5 %) Between 1 and 2 norm. S.D.
-------
4/30
CRD-LV Performance Evaluation: Blind-A, 16- Apr- 1996
Gro0s Alpha
Lab
A
AE
AF
AH
AJ
AK
AL
"AP!
AR
AU
AW
AZ
BA
BB
BC
BG
BH
BK
BL
BM
BN
BO
BS
BW
C
CA
CE
CG
CJ
CK
CM
CO
CS
CX
D
DB
DD
OE
DI
DO
DS
DT
DZ
E
EB
=
0 -
Res. 1
59.6
59.9
68.3
52.5
85.7
70.3
(_ _84.3^
ViT^^Jll"*
68.2
79.4
75.4
98.1
63.8
70.1
65.3
74.0
52.8
75.0
l'""" ' . >v. !.,
70.5
72.5
67.8
77.5
V'
66.8
62.5
91.6
81.4
62.0
69.8
,, < -, ,-(*> - -
-, ,
52.8
82.3
70.6
76.0
47.9
77.8
65.5
67.5
66.5
70.5
79.2
Res. 2
65.0
56.9
71.6
60.5
81.9
73.7
72.7
:r^J^Sf
64.6
77.5
69.2
84.8
65.4
71.7
66.4
62.0
57.0
75.0
, .*<-" ~ &
75.1
71.9
66.6
81.5
, -. . ''"'
65.5
66.6
82.6
74.4
62.0
72.8
*"" " * ,'**-
~ ',-,.'/- 3" >
63.1
85.5
73.3
73.0
42.6
77.9
~. ' ' ?>'
"! . \
57.7
65.9
63.5
73.2
81.0
Res; 3
66.3
54.8
77.1
61.6
78.6
76.8
72.6
^H^'tv
77.3
77.3
73.1
79.8
69.3
70.9
66.8
66.0
54.0
76.0
'I-'-' ' x>",<'v
74.3
72.0
62.3
78.0
65.0
62.4
80.7
86.8
67.0
63.5
V '^'^^^"'^.^
,s^-^^
60.1
73.4
70.1
77.0
43.8
78.0
'" '"*"" ',-"{
-''~ '," ' ' V
64.7
67.6
65.2
68.1
78.3
No data submitted
Insufficient
data
x =
Exper. Rng anal Normalized deviation
Sigma (R + SR) Average (grand-avg) (known) Tag
3.55
2.56
4.45
4.97
3.55
3.25
6.73
*'.. ' " ' <. J ' i
6.55
1.16
3.13
9.46
2.83 .
0.80
0.78
6.11
2.16
0.58
- ป - -
2.46
0.32
2.89
2.18
0.93
2.40
5.82
6.22
2.89
4.75
-VvC- ' ^' ' ' '
V- ' ' ,, ' - -v
5.30
6.27
1.72
2.08
2.78
0.10
>' ฃ . .- " .- .--.'
\ '- * ^
4.29
0.95
1.50
2.55
1.37
0.212
0.161
0.278
0.287
0.224
0.205
0.370
0.401
0.066
0.196
0.578
0.174
0.051
0.047
0.379
0.133
0.032
-.' * \ '''
0.145
0.019
0.174
0.126
0.057
0.133
0.344
0.392
0.158
0.294
0.325
0.382
0.101
0.126
0.167
0.006
0.246
0.054
0.095
0.161
0.085
63.63
57.20
72.33
58.20
82.07
73.60
76.53
'-* "' '":" sU'S'*"
70.03
78.07
72.57
87.57
66.17
70.90
66.17
67.33
54.60
75.33
. ' - - ;'*f ^:fl
73.30
72.13
65.57
79.00
;' ฐ ""'
65.77
63.83
84.97
80.87
63.67
68.70
\ * /; ' '" ซ * ' " ' '*"'*
" * . j \ * '
58.67
80.40
71.33
75.33
44.77
77.90
% " * * *
", : -
62.63
67.00
65.07
70.60
79.50
TAG SYMBOLS
Determined
to be an
outlier
-0.47
-1.06
0.34
-0.97
1.24
0.45
0.73
K^^S*-'
0.12
0.87
0.36
1.75
-0.23
0.20
-0.23
-0.13
-1.31
0.62
'f&x^^S-
0.43
0.32
-0.29
0.95
<-,'>;,:-,-,-";-.<-
-0.27
-0.45
1.51
1.13
-0.47
0.00
^fC4%-;;&.^
-sisv^^^f
-0.93
1.08
0.24
0.62
-2.22
_q.85__
;;?'^4 ?A : l-$i.
V ;;-,*; ^?,t,'
-0.56
-0.16
-0.34
0.18
1.00
ft s Above
U s Below
-1.03
-1.63
-0.23
-1.54
0.67
-0.11
0.16
pXV{f'/ป&
-0.44
0.30
-0.21
1.18
-0.80
-0.36
-0.80
-0.69
-1.87
^O.p5^^_
W""^^^.^
-0.14
-0.25
-0.86
0.39
-'"' '; ,
-0.84
-1.02
0.94
0.56
-1.03
-0.57
- ." j ' ' "Z"&.f-fa - f"
f^^w^!*^
-1.49
0.52
-0.32
0.05
-2.78
^0.29_^_
a!'" <;--, Vv-v ,-'*/"
V- "V'v : ;- *-.. ,'
-1.13
-0.72
-0.90
-0.39
0.44
control limit
control limit
'
-------
CRD-LV Performance Evaluation: Blind-A, 16-Apr-1996
Gross Alpha
Lab Res. 1
Res. 2
Res. 3
Exper. Rag anal
Sigma (R + SR) Average
^ELftt^^%^%ft^fe-^?V;v^*u""^' > - ' -" "'". - v -"' ' '>'
EO
ER
EV
FF
FJ
''FLl-i
FN
FZ
y > - -AW
GI -^'
GQ
GT
GZ
m
HK
HL
HP
'."*ฃ
i
ID
J
JE
JM
JN
JQ
JS
JY
..vg.;:.;.-5;
KE
KT
KX
L
LE
LF
LL
LR
LT
M
MF
' 'MP *
MV
MY
N
NA
65.0
80.6
66.7
57.7
53.3
y&^&d^'
75.0
67.8
'vO1*' \*^",?*'JS*,\X
t xs- xv\ '\X"^
65.6
72.4
78.9
', -:'ป ' * ' \v X
81.0
70.0
57.6
,-;<\).s'- . ..-^ N
53.1
37.6
75.2
100.0
63.0
77.9
71.7
58.2
43.6
A/*6*fo?
76.0
67.2
fff t tS ^"ft,*^ *\,
1 ;;;, >ป^Xj3&
64.5
54.0
67.9
?f*KJ^>;;
78.5
70.0
56 5
.^"^isfi
57.5
61.6
75.3
35.3
59.2
71.3
77.5
58.2
64.8
>;; i3iiaX
109.4
60.0
77.0
82.0
^~:';?Kv,--i
69.0
58.5
84.0
64.0
86.0
89.6
' ' T <
51.7
34.1
79.4
97.0
64.0
81.2
74.1
61.2
49.6
fVgv 6.0 -
78.0
74.1
" >." * v^ ''* ^ %
' ^" ^
63.4
57.1
77.6
.X'^.-V. x.
78.0
70.0
56.9
f;*rซf-.v x;ฐ ; -x.
56.6
55.7
66.4
39.4
53.4
76.3
75.8
58.6
64.8
:V- 'i3ft:7>
109.0
62.0
83.0
79.4
-v~ 'r, 3v"iT"s;:
67.0
57.8
. 58.0
76.7
83.0
88.0
52.8
27.7
77.4
100.0
& No data submitted
0 2
Insufficient
data
X s
1.00
1.76
3.78
1.89
4.90
; : 0.58
1.53
3.82
% ^ s *- ^
1.10
9.85
6.01
1.61
0.00
0.96
ซ-*s\ ^-0
2.78 '
2.95
4.55
2.10
2.91
2.63
0.87
0.35
0.17
3,93
7.57
2.00
3.21
1.63
^ * *} 1 \ .*' ซ v - *
2.52
1.12
13.01
6.35
4.58
1.27
0.74
5.02
2.10
1.73
0.063
0.104
0.234
0.111
0.306
OC03&
0.095
0.218
V,
0.069
0.581
0.347
"
0.095
0.000
0.060
'" I *.** ^-^
0.164
0.186
0.281
0.130
0.183
0.158
0.054
0.022
0.009
0.234
0.420
0.126
0.190
0.095
\
0.158
0.069
0.821
0.401
0.284
0.079
0.044
0.313
0.133
0095
, ,^!^|f|
64.00
79.90
70.83
59.03
48.83
- 'iV fAffiwIT
76.33
69.70
-. s r ,^ซw. v^ ^%; f * ^.
,^: s \ ""'_ "
64.50
61.17
74.80^
-' :-'^.|-'Sv'^
79.17
70.00
57.77
^~>'?;yy%$?
55.47
58.60
71.40
37.10^
56.47
74.27
76.77
58.57
64.90
134^23
104.83
60.00
80.67
81.27
-_---,- ---v-- .-'-;-*
69.33
58.77
71.33
70.37
82.00
89.37
52.53
33.13
77.33
99.00
TAG SYMBOLS
Determined
to be an
outlier
5/30
Normalized deviation
(grand-avg) (known) Tag
&%&&&$$&
-0.43
1.04
0.20
-0.89
-1.84
s;???- w>-.5|V5X\-\i^s?^-r^*
0.71
0.09
v^ f ^ \ ^ซ.*'%^ ; ^SW ;
;^-;\ ^ \\"!\t^"
-0.39
-0.70
_,_0.67_
f^>?75-^:^S
0.97
0.12
-1.01
^NH x v- ป
-1.22
-0.93
0.25
-2.93
-1.13
0.52
0.75
-0.94
-0.35
* "y>x'6".oT0f^"
3.35
-0.80
1.11
1.16
^v;:'; ,'%'*;" / ;1* -'
0.06
-0.92
0.24
0.16
1.23
1.92
V,
-1.50
-3.29
0.80
2.81
ft s Above
11 s Below
%!&$!!&$'$
-1.00
0.47
-0.37
-1.46
-2.41
r^ibo^x^
0.14
-0.47
v-."^ซ^^ ^^ * *-/
" -: s\~- \i
-0.95
-1.26
^0.00
^''>-X^-ป^
0.40
-0.44
-1.58
^ \- ,ป ^
-1.79
-1.50
-0.31
-3.49 II
-1.70
-0.05
0.18
-1.50
-0.92_
v'6W^':>k"5
2.78
-1.37
0.54
0.60
V*r*-r;x\?;:ซ >
-0.51
-1.49
-0.32
-0.41
0.67
1.35
*
-2.06
-3.86 U
0.23
2.24
control limit
control limit
'
-------
6/30
CRD-LV Performance Evaluation: Blind-A, 16-Apr-1996
Gross Alpha
Lab Res. 1
-*NH-V
NJ
NK
NO
NT
O
OF
OM
OS
OX
OY
P
PA
PB
PG
PM
PQ
PR
PV
PW
Q
QC
QJ
QP
QQ
QT
QU
QW
QX
QY
QZ
RD
RF
RG
RI
RK
RP
RR
RU
RZ
S
sc
SD
SF
SG
=
0 =
'" .*"'-",>'> "''': ; '>"
52.7
67.1
74.7
116.0
71.1
55.1
~ -. ; - * ,' \ - - j
80.0
66.9
90.0
68.3
15.4
77.9
87.9
65.1
67.7
70.0
'jf ' : J
55.8
*" ,
79.7
74.5
73.5
87.9
72.6
62.3
65.3
59.0
62.0
63.2
73.7
618.7
', "
180.0
48.7
79.9
59.6
57.9
71.1
42.1
Res. 2
*f;-?;?*v.v-.
51.1
59.5
79.1
113.0
67.1
57.8
"^.^- '->*
78.0
66.7
90.0
60.8
"/VuwT-, -
75.5
86.7
58.1
',-" ,\ , ',
68.8
79.1
- " i
59.1
:,V;\,;V , '.
"
66.8
81.3
66.7
85.0
78.8
61.1
'
55.4
63.9
54.0
63.0
78.9
683,0
' ! "'*/:;'?.. , -
180.0
53.1
*
78.6
66.7
72.4
85.5
43.6
Res. 3
:;;
54.9
67.6
83.2
110.0
73.8
58.8
^>ฃ^V^'
78.0
66.2
85.0
87.6
-?%i&.4:-'
74.4
96.3
64.2
63.9
71.1
59.9
\ >} ;t
84.3
70.5
67.1
79.1
79.6
64.8
s* *< j
56.5
59.7
57.0
73.9
83.4
v/4bfc4'<
y ' -^ 'f i
is&o
51.0
/ , '*ฃ'* *-'
87.7
60.5
64.1
94.2
45.4
No data submitted
data
X 3
^
Exper. Rng anal Normalized deviation
Sigma (R + SR) Average (grand-avg) (known) Tag
1.91
4.54
4.25
3.00
3.37
1.91
0.120
0.256
0.268
0.190
0.212
0.117
52.90
64.73
79.00
moo
70.67
57.23
^ :;?.
-1.46
-0.37
0.95
" 4*10 " "^ ;
0.18
-1.06
\;--/\- '-ป,- -
-2.03
-0.93
0.39
3.64" "x'r~
-0.38
-1.63
' A 'f '. (../% \ \^ ' ^ "" ^ " ^ * "'v.V ff V.'t\ $ f^-.f"'/^'' ^ s <" >% ^ '.'$ % V ^< * t1^, ' ^'.^i
v,\ " f f * rv '<. i.
1.15
0.36
2.89
13.83
;='t;'o:6o;;r r
1.79
5.23
3.81
2.57
4.97
2.17
9.07
5.46
3.82
4.48
3.83
1.89
>
5.43
2.65
4.04
6.24
4.85
144.19
,
0.00
2.20
4.92
3.87
7.28
11.67
1.65
0.063
0.022
0.158
0.847
&600
0.111
0.303
0.221
0.155
0.287
1 ' .'
0.130
0.553
0.341
0.215
0.278
0.221
0.117
0.313
0.155
0.253
0.344
0.306
15.677
0.000
0.139
0.287
0.224
0.458
0.730
0.104
78.67
66.60
88.33
72.23
r^.^-i^iov^*
75.93
90.30
62.47
' s '',','
66.80
73.40
" . ^ * i "
58.27
V; -"'"' 1! , ';"il ''
" /- '- ,
76.93
75.43
69.10
84.00
77.00
62.73
*
59.07
60.87
57.67
66.70
78.67
569.70
' ^ .* * * . ^ ^
IBOlOO -v
50.93
" ", ->;
82.07
62.27
64.80
83.60
43.70
TAG SYMBOLS
Determined
to be an
outlier
0.92
-0.19
1.82
0.33
/JgfeMt^Ssy
0.67
2.00
-0.58
,* " -'\!^"\ ''^~ *
-0.18.
0.44
f, \&%*&-C*-\.
-0.97
ป, V0>%-'vO
;,\o '- ..:.*''".ป
0.76
0.62
0.04
1.42
0.77
-0.55
-. > V ^ V. \^ <
-0.89
-0.72
-1.02
-0.18
0.92
"46.41"': v:^
'*,!,r:, 'V"-,--' -
;>10J31" -':;-ซ'
-1.64^ ^
!-;-;-Y'.-r/".y>
1.24
-0.59
-0.36
1.38
-2.31
ft s Above
il 3 Below
0.36
-0.76
1.25
-0.24
*5^dK,?>c?!
0.10
1.44
-1.14
, ^ :' !i'^"
-0.74
-0.13
V-; >,';,'" :'ป\'i
-1.53
j. % .' ,;ซ ,
..!'-.' _,ป s
V1 f " .- .: .- ''.-
;- * ", .:"*. .-
0.20
0.06
-0.53
0.85
0.20
-1.12
'" ซ , ^ , >
-1.46
-1.29
-1.59
-0.75
0.36
45.84' ^ ; ';Xo
'^^ ^v*s,;-
ISi74r;^ 'xX:
-2.21 ti__
"*?'* '.\. \ **-
0.67
-1.16
-0.93
0.82
-2.88
control limit
control limit
-------
Gross Alpha
Lab Res. 1
81 ' 79.0
SL 74.0
SM 70.2
SN 60.3
SO 67.3
SR 60.3
SS 68.8
"-srNi'ff^fC?
SX 63.1
SZ 68.8
T 60.2
ii> '- v^,- \tw"?
TG 59.5
TH 70.0
,.Tfi'' \\-':". -;-
''AJLf 'X l<-\i %v*^^"
TN 68.7
TQ 100.0
TS 39.8
TY 64.3
U 71.3
UA 65.0
UE 75.1
UK 47.7
UN 47.5
UP 56.1
UQ 74.7
UW ': -'--
VA 42.4
VH 63.5
VI 74.3
VJ 94.0
VM -"' '-
VO 73.0
VT ~. :'^1
W 79.3
WE 65.8
"'Wir"'v ' *'
WO 72.0
WR 73.0
X 49.5
CRD-LV
Res. 2
78.3
78.0
68.1
55.0
69.7
56.0
68.7
^^f?^
72.6
53.2
64.8
-T^r rvf^-T-i
62.1
69.0
^ , * V^";: ^ - ' A v> ** ** ffjf * v
62.5
94.4
45.9
68.6
71.7
79.0
75.7
49.4
48.5
60.0
70.1
-. ;ป-<^, ,-. ^
37.2
68.6
74.8
89.1
J'^'-V^'-?-
_ 83.1
f<%f~>'~>~;?\','
79.8
66.5
^w*l> .>%' % o iv"'- s '
74.3
75.0
57.3
.
Performance Evaluation: Blind-A, 16-Apr-1996 7/30
Exper. Rng anal
Res. 3 Sigma (R + SR)
82.0 1.97 0.117
75.0 2.08 0.126
67.1 1.58 0.098
60.7 3.18 0.180
72.0 2.35 0.148
61.0 2.71 0:158
72.4 2.11 0.117
Cf-X^;'?''"';' '-,"-"' ;;' ^^ '"V ' \-\
60.2 6.49 0.392
59.0 7.89 0.493
66.1 3.10 0.186
^r^V^ - J-;7| "^ :\;~' \"^ ';, !f, "'Y'!:CS
64.5 2.50 0.158
65.0 2.65 0.158
> '* . -" * ง. ' V* ^ * ^ t ,- " - - ^ t J ' ; / s % - -^ * ^ \
70.0 4.01 0.237
95.9 2.90 0.177
37.8 4.22 ' 0.256
60.5 4.05 0.256
74.2 1.57 0.092
76.0 7.37 0.442
72.8 1.53 0.092
26.3 12.87 0.730
50.4 1.47 0.092
60.8 2.51 0.148
70.2 2.63 0.145
.- *v - - - :-',, -; > v
39.8 2.60 0.164
72.7 4.61 0.291
75.1 0.40 0.025
92.4 2.50 0.155
^ffV.*"--'.^: - '' ; -' ' -
82.9 5.77 0.319
^'^f",.,, ; Si - ; - ,
79.9 0.32 0.019
69.5 1.97 0.117
""s, - "' **"- ' ^' ,-
70.8 1.78 0.111
78.0 2.52 0.158
49.5 4.50 0.246
Normalized deviation
Average (grand-avg) (known) Tag
79.77 1.03 0.46
75.67 0.65 0.08
68.47 -0.02 -0.59
58.67 -0.93 -1.49
69.67 0.09 -0.48
59.10 -0.89 -1.45
69.97 0.12 -0.45
- o ... wwp, ^ v -, ^ 5 ^ v*^1*^ ;"^'K*^ ^ '"'X'K^ \f ^"j^v O" ''V<^A; , '- 'w* V^ % fr^ ^V % vyj
65.30 -0.31 -0.88
60.33 -0.77 -1.34
63.70 -0.46 -1.03
>s^^V"^^ ^^^;ipS^^v ^\ซ ^^^^^^t^/^^^"^****-^;^^ * w " "V
62.03 "-0.62 -1.18
68.00 -0.06 -0.63
ซ^^*^>%Ai^S^S^ซ ^"S *"s ""S^X ^^X"*^^^-*-^ s ซ\'s*^\ v\ ^ *%* 'tT'S*
67.07 -0.15 -0.72
96.77 2.60 2.03
41.17 -2.55 -3.12 11
64.47 -0.39 -0-96
72.40 0.34 -0.22
73.33 0.43 -0.14
74.53 0.54 -0.02
41.13 -2.55 -3.12 It
48.80 -1.84 -2.41
58.97 -0.90 -1.47
71.67^ _ฐ;28_,_;H9,..-,
ซ^A v^c\ ^ป^r^? '"'"^ > v^^v-.v'-* "i
39.80 -2.68 -3.24 11
ซ
68.27 -0.04 -0.61
74.73 0.56 -0.01
91.83 _ _ 2.14 __ 1.68^ _
; - ^-K-^/^^^^t^^^-'v-.v^-V'/i >
79.67 1.02 0.45
' ;,' ;\,,>'^'4^>! V^^A'-'ป' 'V' - -* i
79.67 1.02 0.45
67.27 -0.13 -0.70
, , < ? ' " \ - '-' ror-";-*'* " ?" v"-' j \'"~ - C",'' - ";- ', ' '\ * '0 ''Sf
72.37 0.34 -0.23
75.33 0.62 0.05
52.10 -1.54 -2.10
Data sorted by Laboratory Average
Average
5.67
15.40
Tag
x
x
s No data submitted
0 s Insufficient data
Lab Average Tag
FL 33.13 b
PA 37.10 U
TAG SYMBOLS
Lab Average Tag Lab
MY 39.80 U VA
JE 41.13 U UK
IT s Above control limit
x s Determined to be an outlier $ ^ Below control limit
-------
8 / 30 CRD
Gross Alpha
Average Tag
41.17 Ji
43.70
44.77
48.80
48.83
50.93
52.10
52.53
52.90
54.60
55.47
56.47
57.20
57.23
57.67
57.77
58.20
58.27
58.57
58.60
58.67
58.67
58.77
58.97
59.03
59.07
59.10
60.00
60.33
60.87
61.17
62.03
62.27
62.47
62.63
62.73
63.63
63.67
63.70
63.83
64.00
64.47
64.50
64.73
= No data submitted
0 = Insufficient data
vs
= =
LV Performance
Data sorted
Lab
TS
SG
DD
UN
FJ
RU
X
MV
NJ
BH
I
JM
AE
OF
RF
HP
AH
Q
JS
ID
SN
cs
LL
UP
FF
QZ
SR
KT
SZ
RD
GT
TG
SC
PM
DS
QX
A
CJ
T
CA
EO
TY
GQ
NTT
Average
64.80
64.90
65.07
65.30
65.57
65.77
66.17
66.17
66.60
66.70
66.80
67.00
67.07
67.27
67.33
68.00
68.27
68.47
68.70
69.10
69.33
69.67
69.70
69.97
70.00
70.03
70.37
70.60
70.67
70.83
70.90
71.33
71.33
71.40
71.67
.72.13
72.23
72.33
72.37
72.40
72.57
73.30
73.33
73.40
Evaluation: Blind-A, 16-Apr-1996
by Laboratory Average
Tag Lab
SD
JY
DZ
sx
BO
C
BA
BC
OX
RG
PR
DT
TN
WE
BG
TH
VH
SM
CK
QT
LF
SO
FZ
ss
HL
AR
LT
E
O
EV
BB
LR
D
J
UQ
BN
P
AF
WO
U
AW
BM
UA
PV
Average
73.60
74.27
74.53
74.73
74.80
75.33
75.33
75.33
75.43
75.67
75.93
76.33
76.53
76.77
76.93
77.00
77.33
77.90
78.07
78.67
78.67
79.00
79.00
79.17
79.50
79.67
79.67
79.77
79.90
80.40
80.67
80.87
81.27
82.00
82.07
82.07
83.60
84.00
84.97
87.57
88.33
89.37
90.30
91.83
TAG SYMBOLS IT =
x s Determined to be an outlier !! a
]. =,
Tag Lab
AK
JN
UE
VI
GZ
WR
DB
BK
QQ
SL
PB
FN
AL
JQ
QP
QW
N
DE
AU
RI
OS
NO
BS
HK
EB
VO
W
SI
ER
CX
KX
CG
L
M
S
AJ
SF
QU
CE
AZ
OY
MF
PG
VJ
Above control limit
Below control limit
! ' - ' '' - -^
-------
CRD-LV Performance Evaluation: Blind-A, 16-Apr-1996
9/30
GroM Alpha
Average
Tag
Data sorted by Laboratory Average
Lab | Average Tag Lab Average
Tag
Lab
96.77
99.00
TQ
NA
104.83
113.00
KE
NT
134.23
180.00
569.70
x
x
X
K
RR
RK
% responding labs
10-
Frequency distribution
% responding labs
10-
-4-2-0 +2 +4
Normalized deviation of the mean from the known value
Frequency distribution
-6
-4 -2 0 +2 +4
Normalized deviation of the mean from the grand average
s No data submitted
0 ^ Insufficient data
TAG SYMBOLS
x = Determined to be an outlier
ft s Above control limit
11 s Below control limit
-------
CRD-LV Performance Evaluation: Blind-A, 16-Apr-1996
10/30
Radium-226 Statistical Summary 175 Participants
The known value of this nuclide is 3.0 pCi/1 with an expected precision of 0.5; the control limits
are 2.1 to 3.9; the warning regions are 2.1 to 2.4 and 3.6 to 3.9
76(43.4 %) Failed to respond .
15(8.6%) Outliers
7(4.O %) Out of control
but not an outlier
Statistic
. 72(41.1 %) Within all limits
Respondents
* 5(2.9 %) In warning zone
but within control
Non-outliers
Mean
Std. Dev.
Variance
%Coef. ofVar.
% deviation of mean from known value
Norm. dev. of mean from known value
Median
% deviation of median from known value
Norm. dev. of median from known value
4.80
12.44
154.82
258.97
60.16
0.15
3.07
2.22
0.01
Grand Avg 3.02
0.46
0.21
15.22
0.78
0.05
3.05
1.67
0.11
23(23.2 %) More than 3 norm. S.D..
4(4.0 %) Between 2 and 3 norm. S.O.*
; 46(46.5 %) Within 1 norm. S.D.
of known value
26(26.3 %) Between 1 and 2 norm. S.D.
-------
r~
11/30 CKD-LV
Performance Evaluation: Blind-A,
Radium-226
T .*!*
Lao
A
AE
AF
AH
-:-..;. . :::-:::>
yJUit
AK
AL
iltiii
IMi
1 AU"
AW
AZ
BA
IBB!
BC
ฃซง
BH
BK
SBl!
BM
BN
BO
;:BSl
?BW^
C
CA
CE
CG
CJ
CK
CM
GO
CS
;cx;?
D
DB
DD
DE
!iDi:ฃ
Ibol
.;:,;*..
mas
DT
DZ
E
EB
Res. 1 Res. 2
2.6
3.1
3.0
3.0
gWซป?^iUwปsif;W||
4.1
2.6
Spsii^S^Kflp^SP?!!
!#T;<*#&-ฃ:^::':^
"'^""IF"""
3.7
3.0
2.7
3.3
2.2
3.1
3.3
2.8
^^Ji-L^-^^
ง^^^l^^^^^^^^^
..;:;; ;:- ; - ; .;: ::,.:::;-::.:.-::: -iff:^,^^::^:: :f:mXif:+f:-X
: :;:,.\ ' ': iV^Wi^M^ftW:- ::":; iWSJwS-ft^wiWS:;:-.
;-*.:.':!.-;:::'-*-::! '::;'':':::::::::::::::::-.:.r>:;:'1;"::'^:'-':i:;;:>;i::;!H:!::::;S::':
2.7
2.8
3.5
3.2
3.4
2.6
ซ. . s~.* .: . .'. :* ! : ;ฅS%j;ftซiiS
s::-.;:i;,?fi: '< :: iSSSss&iiSsSssiWiss
- '' ;-:\ !:" ;-%WซWf Sis*':;
:: ;ซ:>'',:.
fisiiViKxi'^t^fi^^fiiitfiis
3.0
tf 3',"v:?f ซ?
'* "'?'"' \ ^>r/& ^;ซ??x:::f:|i;||l
".?'"* ': if '*~Kiiilt
2.6
Siiittii^SftlB'
_ 3.4 _
:l8IISlllSiMliSSllll
lliliiilBSlii
iWiii
iK'V-"::;-.^:^.;;;:^:.!:?^^
2.9"' "
3.3
2.9
2.9
2.5
3.2
3.1
4.8
V'V-swsga
3.9
2.6
m
3.4"""*'"
3.4
3.3
3.6
ss;3!3;s;;;s**
3.8
3.2
2.9
mixifgimm
2.8
2.7
2.5
iiHsii'tSl
mtitmmm
iiSSiiKSSJSSJSB
'figiim^ms:
2.9
3.0
3.3
3.4
3.4
2.6
3.0_
iflSalasI
2.8
i^J^JJI:^:;^:;:
3-lI
iltiiii
mm
2.6
3.5
2.6
3.0
Res. 3
2.4
3.3
3.1
3.7
f^:-:^,f;f.f ':" * ":;:::::
3.8
3.1
^p^^lifl
'"""3.1
2.9
3.4
3.1
sฎ>-;j3;^i?^K::::;:::i:5^;-
i^^ftW^ft:-^1.^:-'':'-":^;-:
3.5
3.1
3.1
:ฃ&::w:;^
2.9
3.0
2.5
.:.:.:.:.;.:.:.:.:.:iM-:.:.M.:.:-:--i;-:'-.r-:-w.::M.
c;:-:^:-::.:^^-:-:;:^:;:;:::;:;:.::::::::1;:::::;;:::::
mmmi^istmam
smmUmmsm
3.1
2.9
3.1
3.2
3.4
2.4
~jl?l
2.5
lilSSisJ^lisfWIsS
liiiiRiisiws
35
:iV;j:;:;^:!^^S^:w;:;;;:^:|;::;:::!:s;
^lii^B
;:::!vii''i'!::'.-::;::::.i^::':::^^:::::::'::^:ft
^_^.,.
3.0
2.7
3.2
= No data submitted
0 =
x =
Exper.
Rnganal
ie-Apr-1996
Normalized deviation
Sigma (R + SR) Average
0.10
0.10
0.06
0.91
::::^::^:^S^:V;-^ifc'::if>|v'S::
0.15
0.29
0^35
0.40
0.21
0.45
!S!5!S!!-;jsss!S!ijMปs5ss;ap;;g;
yggiggsHiig^iftii'is/igg^i
0.25
iipi|||i|l||l|||||
0.55
0.12
0.26
0.15
0.23
&'ฃ&^wJ.-XVQ-&^
0.20
0.10
0.20
0.12
0.00
0.12
mmmmmmmmm
^^::^:^:>V:S:*: tWW
012
i|||s|s!Sg;|:!^!ปst'iKs?5:5
:tSi;;5sj.,'''ซ".;iL: :: . \'':
0.15
0.06
^K***ซ**:ปr*. W:%:^;::o:
:งiSซ;::ซ; s^msssWis
liiiiiiiiiiiii
IBKliiliill
b^is"
0.25
0.15
0.15
0.236
0.236
0.118
3.146
0.354
0.591
^^S^^^ttliililliil
i^^iงiisiliilSil;fcS
0.827
0.945
0.473
1.120
-:':-:::-::'^:^'X?:::-y:i-::':^::^'--S:::::::^.:^
0.591
llililiil^KW
Kf!^W^*z!ซi!iy??$??*Z<%
1.345
0.236
:; ^:ซ:ซ,>:s:^:s;ปasi!:Wiป0:5ซ
fewj-SSJ :'-;!- ?!f sSi:;-?!*; - iSIf;
0.591
0.354
0.473
KiiliiillilB
^;:;:;:^^:|;;:;:j.^S::^::;;::^:;::;:':':> '.-." : ''' ;.'.;: .';::*:': -::: :%:!,:.:.::.:.
0.354
0.591
0.354
0.354
2.50
3.20
3.07
3.83
fill
3.93
2.77
_
3.33
3.23
3.13^
3.53
2.83
3.03
3!oo
2.83
2.63
isiSsSiฎ
Illllll
llflSil
2.90
2.90
3.30
3.27
3.40
2.53
&Xff&W%ฃ
ฃ:W#?&tf
:t&tm$&t$s
|f '^ ^
3.07
^i:-?::?;:?: ??>
fg^: ||
^::;;-:::ฃ:;::: ;^^
ฎf i S
2.63
111 1
3.43
HI |
2.77
3.27
2.73
3.03
TAG SYMBOLS
Determined
to be an outlier
(grand-avg) (known) Tag
-1.81
0.61
0.15
2.81
f^PB^^PJซiiPSjiiip|I
"" 3.15
:0.89
^^S^^^^l|fts^(
0.15
1.07
0.73
0.38
?SS*i?B55SpSiS3S5S!i^!WSK^^ป
1.77
WPfi|i|Ws8il|^S:iii|f
-oTee
^jO.03^,
glllPIIIIIIPIIIIIPIIIPf
-0.08
-0.66
-1.35
-0.43
-0.43
0.96
0.84
1.30
-1.70
0.15
^^^^^^^^^^^K
S::Sw:;::^^S::^S:^^S::;:^r^?;WW:wv^
:;^^::::;::^^:i:;S::;i:;:;^:::ii::^:::::;::V::;::^:^::::::::|:::::::!:;:::::;:^
:Si:S:^^g^;b:^^;Hi
-1.35
illllliilllllSiiil
1^42
-0.89
0.84
-1.00
0.03
ft s Above
11 ^ Below
-1.73
0.69
0.23
2.89
^Si^iSiii'^^^S^iW^^;^
lOii^^lli^^lX'^i^.
"3^23 T"'
-0.81
0.23
1.15
0.81
JOL46
"1.85 ""
-0.58
0.12
0.00
-0.58
-1.27
fXteVtfffftf-fi
ii*IS'
-0.35
-0.35
1.04
0.92
1.39
-1.62
""b'.23
-1.27 ^
lllillilllPSi
Zi^~^~~~~~
-0.81
0.92
-0.92
0.12
control limit
control limit
-------
CRD-LV Performance Evaluation: Blind-A, 16-Apr-1996
12/30
Radium-226
Lab Res. 1
Exper. Rng anal Normalized deviation
Res. 2 Res. 3 Sigma (R + SR) Average (grand-avg) (known) Tag
EL
EO
ER
PF
FN
GQ
GI
GZ
m
HK
HL
HP
.'HOT
I
ID
J
JE
V. -v^
JG
JN
JS
JY
K
KE
KT
KX
L
LF
LL
LT
M '
BIP
N
NA
3.8
3.0
3.4
3.6
3.1
3.1
3.4
2.9
2.9
3.0
3.4
3.6
3.5
3.1
3.7
4.1
3.1
3.7
3.8
2.9
-" \> \
ซ ^ x, '
Vl% J -. "* -
" s V ' v
3.5
3.2
3.7
3.8
2.7
2.5
2.8
2.9
2.4
2.1
3.1
2.8
2.3
1.4
3.0
3.5
2.5
7.2
2.7
2.5
2.8
6.8
3.1
6.6
2.6 2.6
ปs\ N^*\v% ** ,X \ /Os "X* s X1-
' > *' v "^ v
V X , \H^'v" *> * "ป" ,J\V V
:s-;v; <-!'^-'
2.7
2.7
2.4
2.8
3.5
3.1
3.1
3.0
0.20
0.10
0.25
0.38
0.06
0.06
0.00
0.17
0.21
0.56
0.15
0.38
0.30
0.31
0.06
0.12
0.56
o.60
0.06
0.473
0.236
0.591
3.60
3.00
3.13
2.00
-0.08
0.38
2.08
0.00
0.46
' . - > ^ i^ ^^Sss*
,\ t-.,, ' Y ^i<^vr>.ซ.vtts
\x * ' -<5',iI"ift^\
-------
' 13/30
rRadituri=226
Lab
NH
NJ
'NK'*'^
NO
NT
ox-.:.
OF
OM!
6s :
ox
OY
p
PA
PB
PG
PM
j
PR
PV
PW
Q
QC
QJ
QP
QQ
QT
QU
QW
QX
QY
QZ
RD
RF
RG
RI
RK
RP
RR
RU
RZ
S
sc
SD
SF
80
3
Res. 1
3.6
1.7
,"C'vl- , '-'',
3.3
3.0
X.'. &6x>'-
2.5
|t'>^S^v
'%;j>H^
3.2
2.9
3.4
^ *' > \
3.5
3.3
,, , v..,v:. ,**,-,ซ
'-' ,' !*' ' '"',"
"fr '"''""
3.0
1.8
4.5
* ^X^// ".- *;'; /**
1 '" ' ,.^;;;-'!r3
*':^^^
-*' '" -'6".8>s
1.6
' ' . 5;7 -'
- y-.,'
3.2
3.0
3.0
3.3
3.0
CRD-LV Performance Evaluation: Blind-A, 16-Apr-1996
Res. 2
3.6
1.8
*i ',''' ?iir7S'-i,i
3.4
2.9
y-' 6*4'.
, _?-,2.,
ฃff"vS s*'? "w^SJ^
I^Sfe^
3.6
2.5
3.0
~ ,
3.4
2.4
-c; ?.*,., ..-. ,j--
''' ,-ฐ ^ ',slA "'
'ป.-, v~-'i, 'i>
2.6
3.1
4.1
;^ฅ^
;V,^Jtg|
-. A*'^^'''-'' " ^'^
":-< x?ft6
2.0
' " v*V
V- ,
3.4
3.1
2.9
3.2
2.4
'' ;<;,'*;V-'
Exper. Rng anal Normalized deviation
Res. 3
3.3
1.8
7;^> ,.ป;;; {"!---=,
3.4
2.9
'* ' -,^6:6':^f
2.6
C/^l^
;fl^-^r^'
3.6
2.7
3.2
/'>JW vA ""
3.6
2.6
-T "".;"!.>,
~!;f,' -- ''" : '",v
*'jf^'f<"^'>> ' ""
3.3
3.7
4.3
^^:f^~:?\
'* * , '^
v J ""' .-. ? '
6.25
0.26
7-0:25 -
0.25
0.06
0.10
0.15
0.55
0.354
0.118
! ,
0.118
0.118
0,118
0.473
?''"' "i -
, - '" ""*'
0.473
0.473
0.473
^
0.236
1.120
' *",
0.827
3.371
0.473
s YJ. '1 "
. '"^.;Vซ-
'','""
0.591
0.591
0.591
0.591
0.118
0.236
0.354
1.570
3.50
1.77
"'- v-:^\ ^v^-"x
3.37
2.93
%% " .' .'&&t~ฃฃ$
2.43
^'- " "*'&&'
" ? J' '' ' *^'^<*
%1-% * ' " s % * "*^f$$$>ฃ
3.47
2.70
3.20
3.50
2.77
V.f
;', ~$,Yy^
< ' '' ''"'-' -'s'-\.. *"$
^v - - , -;^v^
2.97
2.87
4.30
?.jj, ';>i ^ckk
^''? :i^:^:^S8
^ "v-?,r ;-', ;'- " v ซA;^
-v ' ~ 615?, :"%
1.70
.'- - 5.73 o_
3.17
3.03
3.00
3.17
2.97
':"
1.65
-4.35
^i^^^S
1.19
-0.31
K^i^lB^Iv.fei:,
-2.04
tpi^^^P
^cf^f^.^
1.54
-1.12
0.61
,. - ," ," ,
1.65
-0.89
iv-\i- ;*,::|1vt;'-l?f;^
^ij^^C^
ISlSUlf
-0.20
-0.54
^4.42^
^^f^^S
,f'^5!r*'ry'/"i '""'"!'
1.73
-0.81
X'--\.":*V-''- '"i*^'ฃ
^'f^^^||
-6.12
-0.46
4.50 tT
St^^1?^ ?s* ^??
sfc' V-^ W; '-; 4- * ซ -* J
i^^fi^ -||i
i2i36v-;VriX::'f
-4.50 li
^*?,:?:,i%'
-.-;- - 0; ป; -, i,; -
0.58
0.12
0.00
0.58
_-0.12
^-V'x^'^f^
' > '' Vi>'&/-^c,.-^';'' ' ..''.. . .^'-i.-C^i*^^^^^^-
;- -'jl.2. '-'
f
/[ -ui----'
'-' '--X-- ,"ซi
3.2
2.5
3.5
2.8
120.0
- Al;
. , v,Af r i>
\ , - "',, ^
;v:--^6;l-
V/* , **%w' % "
3.0
2.4
2.7
2.9
126.2
SSSA!:4
^TY',":'yjC. ,'; *">''
^ ,"''' u'l'y '- - ,'f
/A^S'O)!?'
"C"""<1>''-^<:T^ '-'
3.1
2.6
3.7
2.7
130.3
No data submitted
X s
^'.V.0.10
>", ' % ' ;--
^0.0d- :
ป-",-'; < - --, ,-
0.10
0.10
0.53
0.10
5; 19
0.236
0.006
0.236
0.236
1.345
0.236
22.272
1 v" V
< " ' """*';,
' v*,;,' ';
;' , v; Otiff/7 '
"' : .: "-'V'. :'/'",
3.10
2.50
3.30
2.80
12&50
TAG SYMBOLS
Determined
to be an
outlier
,':^!^i%
S-fir^i'-,^;;;;'^:
'^?5'^S
|*ldlj:|:^
'"stft^f^ntj
0.27
-1.81
0.96
-0.77
^ftife%:
vv, id'>^i\;tfe\
^feti$Si
?ft?k8Mf
^k^^^if',;*^*-
0.35
-1.73
1.04
-0.69
424.2? f 424.35 X
IT s Above
JJ- = Below
control limit
control limit
-------
CRD-LV Performance Evaluation: Blind-A,
Radium-226
Lab Res. 1
; ffl/^-V i'flOilt
'"'8L '"-''",-' '//ฃ">;
SM 3.6
SN : - -- --" ---
so ;."-
SR '- :, - -
88 ^ ^ _2.7M
SX 3.5
SZ 3.6
T 3.1
rfifV ; \ป" /"w W
JL&J v;x* s^ ^ s ,-. * \.*V
'TO:' s ;': 7"
TH 3.9
TL-/- ' -- ,t '8
VI 2.2
VM ' ' /
vo
VT 'VS
W 3.1
WE :_ 'Y
WF ,
WO; 7.0
X 2.4
Exper. Rng anal
t
16.Apr.1996 14/30
Normalized deviation
Res. 2 Res. 3 Sigma (R + SR) Average (grand-avg) (known) Tag
^Y":-'l3";0.i''-Y-M
;"' - ' ;Y\ ""; ,,
BA 1.80 6.521 : Y
, . - - ' '*:ซ?'
3.3 3.1 0.25 0.591
o ^ ./-^ ^ "
x- : - -' Y ;- .- -,--,--<-
-'-x: - V '- ;
-.- - * . - '- ' -/;' / " ,V'-, ;'V.
'' - ' ' ., 7-^1
- , - - ,- ::-
w,,,,._-2-^_ ,,^,2-7 ,,,,0.23 0.473
3.3 3.6 0.15 0.354
3.2
3.1
s y, _ ; cT " "^ * ^% ^ ? t ^ " > v C,
s - ป J, ' '^ ^ ** ป \% Y ^
'-iY;s ^-'vl? Y,'
_4.1 |
* ;!<"->-i\ C'^'v";- 'Slh:
2.6
3.5
*:>; '''"' v-'-^ --
2.9
; '; - 5.p ; , :-
v -.% ""t ^ ""
1.7
3.3
^ 2.7
\ " \ ^ Y ^ , ^ X \
^.--^x-tia^;-"s'
,/ --;",-6J^i '-t>
2.4
^H?งv^|;-%:
iS^*^1'^^'*''*''^4
^^\\,.' <;:-'--C
3.1
i'-;!Y Y* - (,f ' ;\~ -,.', ,
* ^ % - ^ - '- - ^ -^ i -
"" >; 5,9 ''V -
2.5
2.8 0.40 0.945
3.0 0.06 0.118
*"ป\ ^ ^ - " _>" % ^ > " ^^%"- " **^ * f \
" ^^ " \ v * ^ ^ " " ' ^ V' ' J w ;""" " * "
- " ,/ *' :;-" Y,V \ T "- -Y^xA
4.5 0.31 0.709
"Y\ * \,Y _ - ' -' '"' YV, :-!"'Y^"
3.0 0.26 0.591
3.3 0.25 0.591
-;
3.0 0.06 0.118
- ., , ,5,.
5.1 0.10 0.236
2.3 0.38 0.827
3.3 0.17 0.354
2.8 0.06 0.118
X *
^ rf\ ^ 1 /\ " S O Htl& ^
liU ^ " ^ "" A*XU u w*OwO \ " " '
&7\ ~ ' 1.53- ' 5,621 -- Y'Y
2.4 0.12 0.236
i\v% "~ " "^ "" f t ~~ . l H,^jl
****ซ,ซ K N' ^
;>:^-',;Y ; . .. Y" ' -:-":'^
3.0 0.06 ,0.118
6.2 0.57 1.570
2.5 0.06 0.118
12. 17 r^3JL67-- ^i^^t31i75.#>ซx ^4
'Vj *5** ' ^^^ v'i*?%!Tป^*Sv, 'ji'iii*''<^S*^'JCs Xi!''^?*'-^>iSjS5tV^V*i$1|w**^w'^^ "*-v^w
3.33 1.07 1.15
'r-^A^s/^^v^^-^^^^Ss^^
- > v'X^R4ง^\^H^&vs) ป ^
;i -v'vt' ^;-;7?*--=4-V:^^3
A57-^, ^:1:5,L,^ ,ji-5,9,_-ป,-..,,.
3.47 1.54 1.62
3.20 0.61 0.69
3.07 0.15 0.23
""ซ%. v^Y\ \^"j^r% "Tt"rt;tV" ^s-\ , ^-^u^-" '" ,-f1'
*C"^ ^^OTX?*^^ % *s ^^^t?^ ^ *^^ ** ^ A.1^** x i ^ "x ^ ^^ ^r%" '*^<
i^!f^sv5vv^^i^^;^"1"^ป -*|
\17 ^ ,,,,^3.96^ 4.04^^ *
^^^^^^^^^'^^^^^^
2.70 .-1.12 -1.04
3.27 0.84 ,,,0.92
^^^^^?::^:%->^^l
2.93 -0.31 -0.23
-,- > >,,--,-.- -v^,;;y-x- -;-;K;--T - , ,- ^ ~;;,-";! * ^'^
5.00 6486 6.93 x f
- -- --';-,"',- \vv:Y -, ^ ป - |
2.13 -3.08 -3.00
3.20 0.61 0.69
2.77 -0.89 -0.81
Y: ' V",Y-T-"-y '-\;x>!~;-'>V^''r:|>-\C;i,;i|
6^^':'-ll98K^^:^i^^f
"6i87^^^13j31f-^r ;&13^9|^t^^
2.33 -2.39 -2-31_
v?^lftf:iS^Sj^^li
4 \"'1SS ^Y%^S'' l\f ^S^^l
/ '"'*' X!^r^ '--^--u^CVihY-^-i^--;-*,-^
3.07 0.15 0.23
\ ' /^"-'-C^' '7 '-1X^;4-;T\;^-;4
''* ':Y;>">-fYr ' -x"'^ 'W* /
. 6.37; ;-4 ;;i'tซ$.\\/;. jWBfl 1 '^ 'j{
2.47 -1.93 -1.85
Data sorted by Laboratory Average
Average
0.10
1.10
Tag Lab
x RU
x RK
s No data submitted
0 s Insufficient data
Average Tag Lab
1.70 li QT
1.77 H NJ
TAG SYMBOLS
x = Determined to be an outlier
Average Tag Lab
2.00 H ID
2.13 UN
ft s Above control limit
li = Below control limit
ซ_^ . '
-------
15/30 CRD-LV Performance Evaluation: Blind-A, 16-Apr-1996 |
Radium>226
Data sorted by Laboratory Average
Average Tag Lab
2.33 VI
2.43 OF
2.47 X
2.47 I
2.50 SC
2.50 A
2.53 CK
2.57 SS
2.63 L
2.63 K
2.63 DB
2.63 BO
2.70 TN
2.70 OY
2.73 E
2.77 UQ
2.77 PG
2.77 DT
2.77 AL
2.80 JS
2.80 . SF
2.83 BN
2.83 BH
2.87 PW
2.90 LT
2.90 CA
2.90 C
2.93 U
2.93 . NT
2.97 PV
2.97 J
Average Tag
2.97
3.00
3.00
3.00
3.03
3.03
3.03
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.10
3.13
3.13
3.13
3.17
3.17
3.17
3.20
3.20
3.20
3.20
3.23
3.27
3.27
3.27
3.30
3.30
Lab
RF
QZ
EO
BM
QY
EB
BK
W
T
N
JE
CS
AU
AF
S
HK
BA
ER
RD
QX
FN
UP
sz
p
AE
AZ
TQ
DZ
CG
CE
SD
Average
3.33
3.33
3.37
3.40
3.43
3.47
3.47
3.47
3.50
3.50
3.53
3.60
3.70
3.83
3.90
3.93
4.17
4.30
4.87
5.00
,5.47
5.73
6.37
6.47
6.57
6.87
6.87
10.33
12.17
18.30
125.50
Tag
tr
tr
tr
tr
X
X
X
X
X
X
X
X
X
X
X
X
X
Lab
SM
AW
NO
CJ
DE
SX
ox
GQ
PB
NH
BC
EL
HL
AH
HP
AK
TH
Q
AJ
UE
O
QU
WO
VA
QQ
VH
JY
TS
SI
M
SG
% responding labs Frequency distribution
JO1 ---------------------------- -mr-
1 _
_ _ ____- Mll-li
ฐ -6 ' 4i T 5 T I T
_- - _
+2
:|
+6
Normalized deviation of the mean from the known value
= No data submitted TAG SYMBOLS tT &
0 s Insufficient data x s Determined to be an outlier II =
Above control
Below control
limit
limit
/
-------
CRD-LV Performance Evaluation: Blind-A, 16-Apr-1996
16/30
Radium-226
% responding labs
10-
Frequency distribution
-4 -2 0 +2 +4
Normalized deviation of the mean from the grand average
-------
CRD-LV Performance Evaluation: Blind-A, 16-Apr-1996
17/30
Radium-228 Statistical Summary 175 Participants
The known value of this nuclide is 5.0 pCi/1 with an expected precision of 1.3; the control limits
are 2.7 to 7.3; the warning regions are 2.7 to 3.5 and 6.5 to 7.3
82(46.9 %) Failed to respond ;
8(4.6 %) Outliers
6(3.4 %) Out of control
but not an outlier
Statistic
. 71 (4O.6 %) Within all limits
Respondents
"- 8(4.6 %) In warning zone
but within control
Non-outliers
Mean
Std. Dev.
Variance
%Coef. ofVar.
% deviation of mean from known value
Norm. dev. of mean from known value
Median
% deviation of median from known value
Norm. dev. of median from known value
6.48
5.45
29.69
84.12
29.55
0.27
5.43
8.67
0.08
Grand Avg 5.38
1.15
1.32
21.34
7.54
0.33
5.33
6.67
0.29
14(15.1 %) Mora than 3 norm. S.D. .
8(8.6 %) Between 2 and 3 norm. S.D.'
; 49(52.7 %) Within 1 norm. S.D.
of known value
22(23.7 %) Between 1 and 2 norm. S.D.
-------
18/30
CRD-LV Performance Evaluation: Blind-A, 16-Apr-1996
Radium-228
Lab
A
AE
AF
AH
AJ
AK
AL
Jill
ijifiil
AU
AW
AZ
BA
:-'tBBi
BC
pot
BH
BK
,;:BLl
BM
-mi
BO
;;'BSl
:>-.BWj
C
CA
CE
CG
CJ
CK
:;:X!M:
'"CO!
cs
.:c*
vD.'l
DB
: . . , .-. ,:
DD
DE
;iDii
tfcol
V3S : ซ
:;?DSI
IDT)
DZ
EB
=
0 m
Res. 1
4.4 .
4.4
6.0
6.1
4.0
4.9
J5.ฃ_v
i^^':;:^:1;1:':^:^:^;*^^^^':';^:':^!:^
"""""""""'" 2.3
4.7
5.0
5.5
5.8
4.9
5.2
i:s^^S?i^S^i:;^:;:^^iS^^"
5.3
WSiiiiiSSXM
v^^f:^l^^^^^
7.2
S'::!::^:::|: ':: ': '' ':-;:-:^:iv:;; ':ฃ#::?:':;#: :: W-W-
6.1
4.7
5.0
4.4
3.1
6.0
4.2
~fซ<<ป:ซ<>:fftซit'<ซป-VV;
Vifi^i^Sf^i^iiVii'iim
;Sp||;l;:tllsIsll!l*
5.4
4.8
Wi''^-i':::^:S:&^;S^:SS;?S^:S^^^S
8iliilงiiiiili
:i^imisis:vi;"vflMSJ:;i
5.7
5.8
Res. 2
5.1
4.8
6.3
5.6
3.6
5.0
5.3_
,,.....,._^,.,,,
4.6
4.4
5.6
5.5
5.7
4.9
ifii!ilillliii!fl
4.9
illlllllllitllll
6.3
:isซil;SffiKWisSs:
lalillipilsllS
5.9
4.8
5.5
4.8
4.3
4.4
5.3
vm^^i^^fy^^^
y^&ฃ-&&&&&$&$
mmmmmsv
5.4
i::1''':-::^/^^;:-:^:;:^!:^:'^^:^::
4.9
IlllilS
~1^*I..
l^^|^;i;l^^l^>f!>;;
.,,.,._,,,
Res. 3
5.2
4.6
6.3
6.1
4.2
4.6
5.4
^^f^y^f^^^^
' 1.8
4.9
4.3
5.7
sipiiiiiiili
5.9
:;:::::::;::::::::::::^:::::;:^:[::;::X;::^;:;::|::::^:;::;;
6.4"
5.0
lllllllilllilBi
4.8
WXWllsimiSmmi
\ 6.1
iiiiiilllii
s::;:;:;:j^:;:-:;::::g:;g;:;^:;:|::::g;::;:;:^
mini
5.6
4.4
5.5
5.3
3.5
3.9
mvK-Kww^K'iK-ywiKjKM-w-:
^^l^il^H^lI^
^^it^i^i^^^i^^S^ii
6.3
m^s^^f^^m^
'&ฃ$88$^ffi$2$f^:$
6.1
'::::'::::::;':--:::.^:::;.::'-:::::-'::---x;:'.-.::::::''li'''::
IZIlM^
^:i^^^^Si:^i^i
lli|l|p!|^iiili
4.7.
ป^vซ*:m~**m*~i
lilllMiiP
"""""" 61.8"
No data submitted
Insufficient
data
X S
Exper.
Sigma
0.44
0.20
0.17
29
0.31
0.21
0.10
^^^^plillllilS
*???^fw$fy#x?^^
0.40
0.15
0.38
0.10
^li^iSffiJ-;:::^;:;-^:^^;;:;:;:.:?;^
0.21
^iSi&Sss^^
0.75
0.15
&:^?:^--$Z?'^tfs^&i'X
0.26
y^WiiKK^-i-^'X'f
0.59
0.25
0.21
0.29
0.45
0.61
1.10
!l!!illil!li|!li
^:^^sl^si^:;:il^i|^
'.'...."......1.1.05
0.40
ซ:::::::::;:::.:::::::: :::.::::::::::.::.:
**::::;-:::..;;.::;::;:-:::;:::::>::>::::...:.
010
^nwKiiilwSim'M^K
mffiimmmifSisemiKSK
6.51
b^oo
Rag anal
(R + SR)
0.363
0.182
0.136
0.227
0.273
0.182
0.091
:^:-:::::':';-;':|:v:^:-i-i-:>^!:i-;i:::':ii:^:-::;^;-i:
^^i^-SS:.::'^^ฎ:^^^:;^:^:^
^::?:-:-:^:t^:::>:;::?^^K:^:::::^:^:S:^
0.363
0.136
0.318
0.091
0.182
0.682
0.136
:;: :: :-::::-::-:::;:: '-:-^.:---:-".>:-: ::::: ::::
''y. '''';:':. ';'*ฃ(;'&' <-<'-&.-ฃฃff.:':
v:|.::|:^;::::::::|:::;'::|::::::v-::>:v:::::s;:;;::;:::::;::;:::;;.
0.227
liiilllil
0.500
SsSi:^;:;.Uft;S:;:^;;Si::^;::;;!^;:i::-S
'i^&i$ty0^$&m
:';:. ;. '.m: : ::: :;-::::x m-S-.-tiWiv
:>': :': iWraVK:::':^:':^:':1:^ fftttfX
0.227
0.182
0.227
0.409
0.545
0.954
0.954
'3--:;"^|;i:||;is|;||;r!>;:'^:;;
K^'S'S^if^?"^^^
0.318
:-;.:(:::^:^S;^-:S:;::;:-::S:^::j-^;::';&S:;
0 091
[y^-^^^^-y^A^^ff'f^
illllillllilii
y:-^-:-;-:---''M^;*:fX*^tftf1:1;V:':>i.'^':':>";'' :-:'''\'";?S:-;:-:':
5.27
^'^i:1:!:^;.':;:;::!:.!:^:::;::.::::;:;:;:::;^/:!:;!;^:!::::^;!;
;:::fv:;:v:::;'>::::;;i:>:::;:;::i;:':;i.':;.::;;-'r:::-:::":''--^
5.63
4.90
fffฃm$mm%ffi$8ฎ&ฎ$&
s^-Wftt^fx^t^^B?
527
ป,,__
TAG SYMBOLS
Determined
to be an outlier
(grand-avg) (known) Tag
-0.64
-1.04
1.10
0.74
-1.92
-0.72
-0.10 f
-4l9
-0.86
-1.08
0.30
^9-47 _t<_
0.39
-0.46.
^l^iliiiiiiiiili^
^:;:::;:;:|:|:;:^S;;:|^;:^:|:j:::|:|:^::^g|^^;:|:j:i:^^:|:
-0.50
1.54 '.
&vfytt^t^Wtf$wx&xffiy^t
:;^:o-'r:;';-:;-:v:::W:-::K^;:::'V;:Wi':':':i^:':::::::v:;:;:::-:'
ii^:::::^:':^'':;::^:^!^:^^::::1:::^:1:^^:^:^:^^^
"""6.65
-0.99
-0.06
-0.72
-2.32 - '
, .,-ML~,,,,,.
ilil|l||llliiliiil^
-0 15
0.34
wSS:^!^i;^^^:;^;^w^^^S^
-0.64
-0.15
'"'"0.56'""'"'"""
ff s Above
11 ^ Below
-0.13
-0.53
1.60
1.24
-1.42
-0.22
0.40
^^S-^'^^SwSi^iS::;';.^:^::::::!:!"1
-3.69 U
-0.36
-0.58
0.80
#M^&^^&8ป*
0.98^
0.89
0.04
0.00
^2.04^1 _'
S;:::^:::;:::v:;::!:;^::;:;:::;:::;:;:;:!::::':;:;^l:::!:;:|:;::;::::'::':':'.-
,,,_ _.....,,,,,,,,,.,. ..
-0.49
0.44
-0.22
-1.82
-0.31
'joJ^llZ '.
0.84
IlllllliliSiftl
5;13...11'
WiS^|SgSซ:iS
0.36
"""Tb7""'"""
control limit
control limit
* ^
-------
CRD-LV Performance Evaluation: Blind-A, 16-Apr-1996
19/30
Radium-228
Lab
Res. 1
Res. 2 ' Res. 3
Exper. Rng anal Normalized deviation
Sigma (R + SR) Average (grand-avg) (known) Tag
SGT
GZ
m
HK
HL
HP
HX
I
ID
J
JE
JG
JM
JN
JQ
JS
JY
K
KE
KT
KX
L
LE
LF
LL
LR
LT
':irr'
MFx
MP
MV
MY
N
NA
4.6
4.0
3.1
<-,. v^ " *
3.6
8.9
8.9
4.7
4.0
2.7
2.5
7.2
6.8
4.5
4.0
2.9
2.4
7.3
7.4
17.4
5.2
8.2
5.2
5.4
5.8
5.9
8.0
5.5
5.2
-------
CRD-LV Performance Evaluation: Blind-A, 16-Apr-1996
2.211
0.318
0.863
0.818
0.136
0.909
0.182
0.136
Normalized deviation
(grand-avg) (known) Tag
s No data submitted
0 H Insufficient data
TAG SYMBOLS
x s Determined to be an outlier
ft s Above control limit
Below control limit
-------
CRD-LV Performance Evaluation: Blind-A, lG-Apr-1996 21/30
Radium-228
Lab Res. 1
-SI<-4/'^226,'5.2
'*'8L' '"'-''-/ ."'ฃ
SM 5.0
SN .
'SO, - r-V;;:
SR :< ' '
88 4.0
ST ?>v": V "::;
SX 7.2
SZ 7.4
T 6.2
. TD i v: ' ' \
' "~ '
TG
TH 5.4
TL .." "-Vx
TN 5.8
TQ 5.8
W' > 0 'TA
, , j O*,*-^
U 4.6
UE 5.0
TUT " '' ; ฐ'~ ls-"*
UN 5.0
UP 5.4
UQ 49
UW "x
VA 4.2
VH 7.6
VI 4.5
VJ
VM
vo
VT '" '*
W 5.2
WE
WF
WO 8.9
WB
X 5.2
^^^^^^^^l^l^B^
Exper. Rng anal
1
Normalized deviation
Res. 2 Res. 3 Sigma (R + SR) Average (grand-avg) (known) Tag
g&jjfcitftt&y*, 1 ^41
' ซ ฃ,->'. % ,.!,ซ"'' \
0.8, 8.29 12,887 X-^v'aj
"''.-, ' i- . . ,'s-<-T': '"I*"-;
^ll^^JB^^^Sfi^^X;^
^'^^f^rf^f^fงS?^^'t"^"','ซ,1l|
5.4 4.8 0.31 0.273 5.07 -0.41 0.09
'i^ '' ^ - ' '' - -;< C --*',
"* < * *J ' >'%x
\ , X'~- ;J > *"''*
' ' '..\x '"';' >1!'i,'
c;>-; - -- _", , , .. , '\.-~,
>-,"-- ^ , - , :',c \ >N -o\ x: :'"\
!^|^fM^f^^^^^^
-:-^S^!ฅ^^:^^f 4^^* '*!
^it^i-^>Sปfe^*" '"^:%:; -^ ^,':~ป^4
4.9 4.1 0.49 0.409 4.33 -1.39 -0.89
s-'\ --Af--;>i- ; -"
\;' - - - - . ,- x i0,;, ,;
v/:g j';^%:5^/vrw""' "".;- '. "ฐ ,'f
8.8 4.9 1.96 2.470 6.97 2.12 2.62
3.4 5.0 2.01 2.557 5.27 -0.15 0.36
5.7 6.0 0.25 0.227 5.97 0.79 1.29
'-'""/"Sv^'Vr,1 -,V
..; ;",. ;^ .:ซ,!', .t _
s^-J s v s ^ ' ^^\ 'x ,*x* *'*'"
- - ' , '' s V"XS
;ป;V^V5\^V4'feA? -^ ^x'">^^,'ป '%
^-^i^^Ve^xr^-^ "<'.\.-,Nป\ฃ
6.3 6.3 0.52 0.409 6.00 0.83 1.33
-'v.- --->;:x .- . -' -\\' .--'-'^vv^l'^iCh^^K^
5.3 5.6 0.25 0.227 5.57 0,25 0.75
5.5
"; -", ^H.l-;'! ^ I
!.'. ?-7 .,
4.9
''-.5..-L.V-*''/' *'
^;5i-fe %'l^^
^~^\ ":, ' - ;-- 1'"^ ftUJi
,R--!-;" '-;;""- t" "'t-,,' -
' 5.7/^
/\^.''V -l'/.1^* ;l
*':"">,',"" 'X';\ """*"-;
,^ . M ., /
-V'"--'--^ ';7v-7 ,
6.0
4.9 0.46 0.409 5.40 0.03 0.53
6- i OK' *t tt^'"'" *'s~*'**'i{
- l./O . l;li& , v.;-~ lv
^งSS!^fcงx^S^i
5.6 ,0.95 0.863 4.63 ^0.99 :9,;49 _
5.1 0.10 0.091 5.00 -0.50 0.00
Tx-'1-'--, ~ ' ,"-"*H- , -' , ;"'
* ,;-\~- , s ' -v> > * ' ซ 5
7.1 4.93 7.230 8.83 4.61 5.11 IT
6.0 0.32 0.273 5.63 0.34 0.84
5.2 0.15 0.136 5.07 -0.41 0.09
- ,5 ;,-:^\x,. y^x; \ -" ':*.:A -v-ป -^
3.0 0.62 0.545 3.70 -2.23 -1.73
6.8 0.95 0.863 6.70 1.76 2.26
5.5 1.26 1.259 5.67 0.39 0.89
--" ->V"S i. "'"'' ^' S V " " -. " ^^
\ .. v1^ v .'./^ , ^ 1's^t^'-^sA*
-*v^'j>- "t-"^- "i-'-^S^
/ *\ v"'^ ^ ^ s "sV -' ; - ^ "" ; ] ^ - ;
* *" l * s
-;;<--v":K"f xi^^>.-;->c xK-xv; V H^il
"Vj. s "** ^ ^\' '~^':' ^j.^^''^**' t %xV'5^ *''*s*x'''ซ \ ^^ "" * " ^o''" *ป'* f * ^ "*ง
::' ^^>ifefe^'Sฅ ''S^if
: ""-'' lt^S|\-i^w^?k-^^" 1^^ ^ "*-; $
:*\~ * -r-?^'* :jy^^\^" !* ^;": ;:^ '* f'f
5.4 0.25 0.227 5.43 0.08 0.58
' l -t
^ l > { ^
''--'' ' 'C-S'^' *'U%^!7-?^--'--x:rx''"^" -^
; ' \-\ ;ซr r;^'>-^ : >^V -V'" '- 'ซ ,'* ^
8.6 0.40 0.363 8.97 _ 4.78 N, 5.28^ ff^
,->-.' -"f
' . - Vs TA\* y ^^J> - X - ' ;r ">; ' -;' :"" ' " 1
7.2 1.01 0.909 6.13 1.01 1.51
Data sorted by Laboratory Average
Average
0.97
2.23
Tag Lab
x O
U AU
s No data submitted
0 = Insufficient data
Average Tag Lab
2.83 I
2.90 HP
TAG SYMBOLS
x = Determined to be an outlier
Average Tag Lab
3.57 QZ
3.60 PV
tT 2 Above control limit
li s Below control limit
^
-------
22 / 30 CRD
Radium-228
Average Tag
3.63
3.70
3.93
4.00
4.03
4.30
4.33
4.53
4.57
4.57
4.60
4.60
4.63
4.63
4.67
4.73
4.77
4.83
4.83
4.90
4.90
4.90
5.00
5.00
5.03
5.07
5.07
5.07
5.13
% responding labs
10
6 -4
s No data submitted
0 = Insufficient data
LV Performance Evaluation: Blind-A, 16-Apr-1996
Data sorted by Laboratory Average
Lab
CJ
VA
AJ
HL
FN
NO
ss
OF
s
AZ
HK
AE
U
CA
QX
AW
CK
CG
AK
Q
DE
A
UE
BM
BK
UQ
SM
RF
EL
Average Tag Lab
5.17 NT
5.27 SZ
5.27 RU
5.27 DZ
5.27 CS
5.30 PB
5.30 AL
5.33 EO
5.33 CE
5.40 TQ
5.40 K
5.43 W
5.47 PW
5.47 L
5.50 NH
5.53 OY
5.57 . TN
5.60 BA
5.63 UP
5.63 DB
5.67 VI
5.67 BH
5.70 . SD
5.73 NJ
5.73 BC
5.77 QT
5.80 EB
5.83 N
5.83 LT
Average Tag
5.87
5.93
5.93
5.93
5.93
5.97
5.97
6.00
6.13
6.20
6.37
6.53
6.60
6.70
6.97
7.17
7.20
7.37 It
7.70 ft
7.80 ft
8.83 It
8.97 ft
9.90 x
10.10 x
12.50 x
16.07 x
18.33 x
31.30 x
46.20 x
Frequency distribution
_ _ _ |B|_| -
-2 ' 6 +2 ' -ป4
Normalized deviation of the mean from the known value
TAG SYMBOLS It s Above control
x s Determined to be an outlier & & Below control
" "~X
Lab
C
OX
JS
AH
P
T
SC
TH
X
AF
RD
BO
QU
VH
sx
SF
FZ
JY
J
ID
UN
WO
DT
TS
GQ
JE
M
SI
RK
I
+6 ;
limit
limit ,
-------
CRD-LV Performance Evaluation: Blind-A, 16-Apr-1996 23/30
Radium-228
% responding labs Frequency distribution
-T. . fillljlllll.
0J _ "~T* "-M""M"""M ---- T-
-4 -2 0 +2 +4
Normalized deviation of the mean from the grand average
-------
CRD-LV Performance Evaluation: Blind-A, 16-Apr-1996
24/30
Uranium (Natural) Statistical Summary 177 Participants
The known value of this nuclide is 58.4 pCi/1 with an expected precision of 5.8; the control limits
are 48.3 to 68.5; the warning regions are 48.3 to 51.7 and 65.1 to 68.5
65(36.7 %) Failed to respond ,
6(3.4 %) Outliers
14(7.9 %) Out of control
but not an outlier
Statistic
; 77(43.5 %) Within all limits
Respondents
15(8.5 %) In warning zone
but within control
Non-outliers
Mean
Std. Dev.
Variance
%Coef. ofVar.
% deviation of mean from known value
Norm. dev. of mean from known value
Median
% deviation of median from known value
Norm. dev. of median from known value
54.31
10.42
108.56
19.18
-7.00
-0.39
55.85
-4.37
-0.24
Grand Avg 55.55
6.19
38.36
11.15
-4.89
-0.46
56.15
-3.85
-0.36
20(17.9 %) Morซ than 3 norm. S.D. ,
15(13.4 %) Between 2 and 3 norm. S.D.
.46(41.1 %) Within 1 norm. S.D.
' of Known value
31(27.7 %) Between 1 and 2 norm. S.D.
-------
25/30
CRD-LV Performance Evaluation: Blind-A, 16-Apr-1996
Uranium (Natural)
Lab
A
AE
AF
AH
AJ
AK
AL
AP
AR
A0
AW
AZ
BA
BB
BC
BG
BG
BG
BH
BK
" BL
BM
BN
BO
B8
BW
C
CA
CE
CG
CJ
CK
CM
CO
CS
CX
D
DB
DD
DE
DI
DO
D8
DT
DZ
==
0 s
Res. 1
53.9
61.2
56.8
56.9
73.2
63.2
51.2
f'' . * J . %/ . ,'<".
40.9
-V ' >?'',,'," -"",-
59.5
57.4
55.5
53.9
55.5
52.0
52.6
59.9
68.3
55.6
' ' - -' '' '
57.8
50.6
54.6
56.5
57.5
59.6
51.9
52.0
58.5
f
56.7
62.9
57.4
50.7
65.6
61.3
55.0
"', "
60.0
49.3
Res. 2
54.2
63.7
60.5
55.7
74.0
63.0
57.3
' ., V&'ฃ>;
41.8
- /'*-i;K'"-; "~
59.9
58.1
57.3
50.8
55.2
50.1
51.0
51.3
67.7
58.4
< ,-,,y ' - *
59.7
57.3
52.6
55.9
58.4
55.7
53.1
53.0
49.5
- " "/ >',*f*-s\
'^A^
55.7
63.2
53.9
45.0
65.7
58.8
57.4
- V;',' -'
65.8
50.0
Res. 3
55.8
62.7
57.8
56.4
74.0
65.0
64.3
*",X^:*^V,
42.9
,f>t^;^\' -*y?
61.6
58.1
52.8
54.1
55.6
50.7
49.8
49.4
73.9
57.0
ป. , * ' r ' !> '
56.7
51.1
53.7
j "" ''*
55.3
57.8
57.0
51.7
52.0
^ 54U ;
;^fs. JU^| 't- ""Jf
ijV'y*?"-* *' ' -^
565
62.7
53.3
50.6
x r " ' *"; .. v." * ; *
- *O ^'^'/
65.8
60.4
56.8
59.6
53.1
No data submitted
x -
Exper. Rng anal
Sigma (R + SR) Average
1.02
1.26
1.91
0.60
0.46
1.10
6.56
." ,- \L' ' !
1.00
"'"" :,^'; *; -- -'
1.12
0.40
2.26
1.85
0.21
0.97
1.40
5.59
3.42
1.40
1.52
3.73
1.00
-.ป - -
,^
0.60
0.46
1.99
0.76
0.58
_ , 4/,51
"Vi rs f!
<** Vv< '>/' "" '
< ---"v, ,
0.53
0.25
2.21
3.26
\, ^ .- ; .
0.10
1.27
1.25
. / '- -.. "'
3.47
2.02
0.193
0.255
0.377
0.122
0.081
0.204
1.636
.','Y'V*:
0.204
' ' " 'i^ ",
0.214
0.071
0.458
0.336
0.041
0.193
0.285
1.132
0.631
0.285
*
0.306
0.682
0.204
-, ' :
0.122
0.092
0.397
0.143
0.102
0.917
0.102
0.051
0.418
0.580
0.020
0.255
0.244
0.631
0.387
54.63
62.53
58.37
56.33
73.73
63.73
57.60
i - ,',/>;/\T
41.87
<;, ,t,,. ,^ v^^.
60.33
57.87
55:20
52.93
55.43
50.93
51.13
53.53
69.97
57.00
58.07
53.00
53.63
55.90
57.90
57.43
52.23
52.33
54.13
' ' s Al-"'\''
.' , ;V^
56.30
62.93
54.87
48.77
, ^ , -,-, y
65.70
60.17
56.40
- : , ' ซ' :'ซ>
61.80
50.80
TAG SYMBOLS
to be an
outlier
Normalized deviation
(grand- avg) (known) Tag
-0.27
2.09
0.84
0.24
5.43
2.45
__ML_ ,
si^;%^yf^
-4.08
!^"^4^%^~!:^
1.43
0.69
-0.10
-0.78
-0.03
-1.38 .
-1.32
-0.60
4.31
^ 0.43^
<>,>>
0.75
-0.76
-0.57
/.',r ~^^j?^--~
" ,-: .'*1^%v,f''""
0.11
0.70
0.56
-0.99
-0.96
.., ,-5-42>i'iil!5^>i;v;,-lj''
,,^^;-i- ;,->>.,V"v-*-
0.23
2.21
-0.20
',, ,.:2;ฃ2,__
'-, X, < *'-,'-
-0.75
-0.15
-0.29
-1.84
-1.81
^-1.27 ^
\* ! j> ^ .^ *. c^" " '~" * ^ l^
; "' J'-'-s*"'* \
-0.63
1.35
-1.06
,;2.88_%
-f ;-; ป^f%; *-
2.18
0.53
j0.60^__
|tfi;sft\nf:*v*/-'*
1.02
-2.27
control limit
control limit
-------
CRD-LV Performance Evaluation: Blind-A, 16- Apr- 1996 26/30
Uranium (Natural)
Lab
E
EB
EL
EO
ER
m
,,'fK--. >
rFJj
'Fli""
FN
FZ
GI
GO
;GT'.
GZ
m
HK
HL
HP
HX
I
ID
J
JE
JG
JM.
JN
JQ
JS
JY
K
KR
KT
KX
L
LE
IJP
&4ff
^iJ>
LR
LT
M
MF
MP
MV
MY
=
0 s
VJ?
Res. 1 Res. 2
58.8 58.0
54.6 54.4
57.0 55.0
5' ' V^"''-V %' / \
54.8 55.6
''':V!'Vซ- ;;.V ^ KiOu->
l"i ; ?-;ซ-.' " ; ;'--"' s.'^*?*^*.*
->:- x< J^^-^^OT^^^HO-
^y^-^i' .,v, v~ซ"vvN>-> -">'''" '-" \
>H^^g^^l
< , \ " ' -'" -1- -* - ป'* ;>"s"^ry, vซx *rป ฃ"
55.1 54.4
62.2 66.1
: " ' . ,\v \,^x.\V.\,\
53.7 53.9
/'^ y^ " ^ * V^ , '^
" % N "t '* " *" " " ' "
* ^ * "*' \ "" % t " ^ '
55.4 56.8
52.9 52.9
64.2 63.0
T^V'V^/.v'.^v . '
47.9 57.9
55.4 54.6
58.0 58.4
59.6 53.9
^ - ' I " ." * ^
\ -''" :.., ' - ;'
16,8 19.7
% V 0> ^" ' " " -\
59.2 59.2
40.0 39.0
. 56.4 60.4
38.0 42.0
'''='- --...".' . ' "
64.1 70.6
'.^'fe.'^f^^ ,' "
'! "v ,-x!1- -A. ;!-"--'-,'
1 ' - ' '-, 3 ' -'- xr^.;"X-i;) ป^ฐ."* -
, ^ * % * ^ ^"'\ , S's ^
'.^1:l;-\: U-.H -'^Xซ'*V. ,-s'V
- : \ ;": ->--*<- r' A>, -$ - -
52.5 60.3
''' , ;'- 'V, " ^i"V' s^' s ** -
^ - -.V'^.' CV>;"7 ;-i\'~ -%:-;? - \
>. '"':- !\*l^v\X! -;*!;"
":* '?'Cos'''^..''>.
-;,*-\ >,-v-\\S<> N->.-v-5 ;;*'
No data submitted
Insufficient data
Res. 3
58.5
53.3
54.4
>"
- i
J \ *"
55.1
! \"r/!'; 1;"
ง*.'ง*" X> ' "^5!
f\rx.\ '23'4-;^>
"54;:.f
53.6
60.5
v * ^\
^
53.5
57.7
52.9
63.4
59.3
57.4
56.9
54.5
- y " *
" -;28'.7"
0 i \ \i
f
59.2
44.7
60.2
'- ,
44.0
r
66.5
'' "',, ; r
t-> * < i ^v
-.-- - -, ^ " ,A
- '-V _- -^ -._ซ
\- \v , , -"
'" $"* Vv ^ ฐ *ฃ'''
->\-;"V ฐ- -'-*'
42.2
'V-;12.6'1'
< - s ^
* - % - - -^
' ' -i'
:'
Exper.
Rnganal
Sigma (R + SR)
0.40
0.70
1.36
0.40
" ,> '' -
' . ,'. V' -~\
X*' ''.'''' + -.
J;;;l$t/'
--ป','>>
0.75
2.87
0.20
'.,
1.16
0.02 .
0.61
\
6.22
1.44
0.78
3.13
6.21
0.02
3.04
2.25
3.06
3.29
s -.' > * ^
1 v " '\
9.08
0.06
0.081
0.132
0.265
0.081
5.1 v^^; '
,^ *'* X,* is>
*-ซ^*ฃ
'^'.-X''4 -v
' -,/1 %
0.153
0.570
'>;- ,;
0.041
0.234
0.000
0.122
1.307
0.285
0.153
0.580
,.' '" ฐV
1.404
0.000
0.580
0.407
0.611
0.662
-, ;ป-,.v -
,; - --j/v.
2.606
0,010
TAG SYMBOLS
X 3
Determined
Normalized deviation
Average (grand-avg) (known) Tag
58.43 0.86 0.01
54.10 -0.43 -1.28
55.47 -0.02 -0.88
" T^'lK7^?:?v?P^
55.17 -0.11 -0.97
, ,M > > >>->- , ,- . -ป,- -f - - ,,--.., ป-,-i
54.37 .-0.35 -1.20
62.93 2.21 1.35
- --r^-^^^fl^p^^'pC^p^t^ I|
53.70 -0.55 -1.40
-:' ",'i?:y,^l'i ^^x:vv; if!,:vcV"L*^
%^ v < ,. ^^-x ""'':'^:' ' ^"k ** - "\ - ^;s"1*, " ': > T^^i, ^-sS.^ ^:x>:>:li " ^ป -^
, , -,'-, s-*,t -'* i^ ", ~"-^-r Vx,x C '"-y^v-x- <
: , - -Sl;^ :- \c" ''-"">:-''"-*' V:'--^^^^^- >v-
21.7&; *WilQ *'' ,:V*40 JSvN^x -I
-\. v x-x-; x- -;: -; -> ',,;;ป1'i:xV^"t<--^
59.20 1.09 0.24
41.23 -4.27 -5.13 fl
59.00 1.03 0.18
"" wj, <*; ^ N?\ " " v"\ ^ * ^?
41.33 -4.24 -5.10 U
'. *' , ':* ,vx- ซ. ,"^-x -'-Us-t'."' >, 0ซ ;{J- \Vs x ": '"^
67.07 3.44 2.59
- :>-.:\^v.'r^v^K!^r^^w^';v'5
% C" ' % I "^ " "-j v s. s ^ '-.0** N * " * j^S>*v ""i1!
' oiA- >S f '><* jV" . *^Wx \s> ' -ฐ" xv; Ai.'^ ซSi^,' >* > x?
' > , ;';,< ;'. ** ' Vxi^> 'kf "<- "-'* vsซ'-5 s^ป t^V^fsX' -V !ftl
x^ ^ ^ ^^^" ^^v* ^^V^^v-5 '^ O'-H ; J* VXH"\ ^ ^x '' "^
: ' l*^^^7^^*^^'x*'^"A5^!i\v>j>**^s,^;^''ฃj^>^^1*iK^
51.67 -1.16 -2.01
! ^>Xao-^?i^^f|^ป^<5^a-^^X^i:ซyJS^
. , -v -viZ.O.T.-a x-^l^TO-'y.^y'jIo.iW^VX"*^
,- ''i^.^LW^^^^^'.v^^n'^ ^*-"r^ / ' '*>\v*'' >y^vป >/
11 v7''-'.' .*:/":fvt' ." --:5>;> ฐ , ''^
It s Above control limit
to be an outlier & = Below control limit
-------
27/30
CRD-LV Performance Evaluation: Blind-A, 16-Aprซ1996
Uranium (Natural)
Lab
N
NA
NH
NJ
NK
NO
NT,-
^K
OM
OS
OX
OY
p ;
PA
PB
PG
PM
PQ
PB
PV
PW
Q
QC
QJ
QP
QQ
QT
QU
QW
QX
QY
QZ
ED
HF
RG
-
RK
RP
RR
RU
RZ
S
sc
SD
Res. 1
57.6 . -
62.0
65.9
68.0
59.2
66.0
56.0
%3$l
53.0
52.2
'/f-^-W^{
45.1
- ^.45'0sM -;>
V'-- "' <''""/ ?*
65.7
60.6
\ ' V -.'
' i '';J'/:r' --/'''
- ' 2, ;', ,/" - ''.'-
49.4
40.0
49.7
-;' iYK'U<^
"- ' '' \*'," .."'
--"V- ';-:
51.7
40.0
1 - ,. *". '' ';l '" ฃ ^
"." ,;r*i^
57.9
48.1
56.9
59.5
57.2
50.1
57.8
56.0
43.2
>' Vf*ป\*?^]
42.1
57.4
50.6
Res. 2 Res. 3
59.9
61.6
59.2
70.0
56.6
67.0
59.4
54.0
56.5
t-^fil^ffl'
46.0
&%p2&&j&tf
; V^tf-i!'^ -
64.8
55.6
'^;}^'"S!> '^-
''f'-. * "" ซ * * t '
'-;, tY~ 'x- -.,,-,",
50.8
43.4
52.7
"," r?-"-" ' "''V'
>v!U "- ^.^:*-
,,.- '; -<, <_ -,'-
52.4
' ,\'- * T.' . -'' ~ "
_^ 39.7 ___
^^f\^^\
'"'^BJSt^' l:-'"
57.8
48.3
56.6
57.6
56.8
54.7
58.5
59.0
47.6
-.'^^ ';>;;' I,;
42.9
57.2
51.2
57.5
62.0
59.4
62.0
57.9
68.0
62.7
^
54.0
55.1
fff^f^
46.0
90.1
65.5
59.3
;-=^">~
48.0
40.4
55.7
'? ".- "
50.6
!\ - -
40.3
?ฃ? "'
:rt;3 :
57.6
48.5
56.7
61.0
57.6
51.7
59.3
56.0
46.3
**-:',<", :~
47.9
55.7
51.9
s No data submitted
0 =?
Insufficient
data
X S
Exper. Rng anal Normalized deviation
Sigma (R + SR) Average (grand-avg) (known) Tag
1.36
0.58
3.81
4.16
1.30
1.00
3.35
V^fVf''
0^58
2.19
^^'W: *
0.52
V ':%60 '
- . *-.--
0.47
2.59
, ' ",
, ! ซ'
s
1.40
1.86
3.00
;;,'; -^ $ ' " -I
' ';- I,'
. ',-, '- -
0.91
:'\'"*ซ*
0.30
l\,-;>v 4,'" '--
"-;:'":di44'
0.15
0.20
0.15
1.70
0.40
>
2.34
0.75
1.73
2.26
"% '
3.14
0.93
0.65
0.244
0.102
0.682
0.815
0.265
0.204
0.682
\'\*-'*;:
0.102
0.438
', '''"";-'''
0.092
0.693
0.092
0.509
.- '
' . ,-; -rr
0.285
0.346
0.611
"''>?;' '
., ,, ;,"'-
' -
0.183
0.061
^
0.081
0.031
0.041
0.031
0.346
0.081
0.468
0.153
0.306
0.448
0.591
0.173
0.132
58.33
61.67
61.50
66.67
57.90
67.00
_59.37_ _
' -V ^--:-xlSfe
53.67
54.60
;\ป?:A;^?^^
",\'^5-.79..11
-1 /^94ffi;$]ji
-,--- -'--"v.-i^T
65.33
58.50
' -' '- T'V"'
:3"::!L:v':;v:r^l
- ;' ,'. , <', '.:- f-:\f.
49.40
41.27
52.70 ^
::Sc V' "-'!-T>^
'".*.> *'--''* .' *T~-/~*^
: '-i " !!; ',,,<"\^
51.57 __
,-' " " : - V/-';^."
40.00
.- ' - -, -> v.
8.80
57.77
48.30
56.73
59.37
57.20
52.17
58.53
57.00
45.70
//'"''' ""; f\ s ;% ^-^
44.30
56.77
51.23
TAG SYMBOLS
Determined
to be an
outlier
0.83
1.83
1.78
3.32
0.70
3.42
1.14
-0.56,
-0.28
'.1-2.94^ ^
i^XJ^II^
;i"I^S^Ws
2.92
^jp.,88^^
^Siffljfl
SSSSl
^%l^fฅ*T\^tf?,!
-1.84
-4.26
_-0.85^_ _
^ji^^fj^
^:f^ijf^
7^^*H;;
_^-1.19^_^
^C^'l^f-v'
^4^64^^
H;v^^vv-^?
* -A t\& *" ' ' ' '*
* AOi*?w: ^ ^ t
0.66
-2.16
0.35
1.14
_,JM9_
-1.01
0.89
0.43
- ~2ฃ*ซ?
-3.36
0.36
-1.29
It = Above
11 = Below
-0.02
0.98
0.93
2.47
-0.15
2.57
0.29
ซ,. -ป;ซ> I" "ซ*<
(^X^**^
-1.41
iiH^ป.^..-
^^^::"*ir
-3.79 Ji
SjiWF-p^ly
'S\1>I"'-V;"*;: -
2.07
J0:03____
M'Sf^S^
SiSSi^
^^is^v-*?,^
-2.69
-5.12 &
JL7iO__^
^^@f^K
|^t^i^*ls-
^\5^%ป.x N
-2.04%
|N~V^/f^^Ks;
^-5.49 ฃ _
^! -;\;^>^*'v
14.81 : ' ><"'-
-0.19
-3.02 H
-0.50
0.29
_-0.36_t ;
-1.86
0.04
-0.42
-3.79 K !) ^
^JSW?**;-W*I?^?
ifi^f-'ViW ' *: -ซ<.-"<
-4.21 " it
-0.49
-2.14
control limit
control limit
-------
CRD-LV Performance Evaluation: Blind-A, lG-Apr-1996
Uranium (Natural)
Lab
SF
80
SI
SL
SM
&N
SO
8R
ss
;ST>
CWT ,"
[&&
sz
T
TD
TG
TH
* * <-\'
, 'I'JL -\,
m"
TQ
TS
TY
U
UA
UE
UK
UN
UP
UQ
UW
VA
VH
VI
VJ
VM
VO
Vt
W
WE
WF
WO
WR
X
==
0 =
Res. 1
57.0
~.' ^ *
57.9
52.0
55.8
,, - V" '"
57.2
.'-,V;งv^^
62.4
;4/SW'S
' 1 ? ^ ;;,
51.0
63.0
X* "" ; ^ ป\ V <.
^ " * A \ ** *" I-"*
V -1>;^"S^
1 v-.x"/*^-1';-^,' I'-H**
,A "* x*i" ."v ' ?,
' 'T ^^kJxiS
54.0
44.6
v-
59.3
v
56.2
x
53.3
37.6
' ^ Xซ ,"
44.4
31.9
56.2
,',-,^\5
'V -^r*
59.1
' *v$ฃf*
,-'-X>\
53.5
!' ;--\-^
54.5
55.0
46.1
Res. 2
55.0
;--<" J-:
60.7
53.0
57.7
\- ,'''''
58.3
4\^F|^<;
65.1
*^ ,f ^s" ' Nh *
5-x\^ cKt jw*"^ -' w
' A%^; *\*"**;^
v\ s^' v -
54.6
59.9
,-,. '^^ -V =\",.rV
N-^-^x:--,,
;'^V<^i^:"V,
's. V^J^^i ">
- ;\\'xs' ^ivVV;--
^!lf*|:SfS!--
53.7
46.6
s ^ -
58.4
v s
56.7
58.9
38.7
,\ Vr S/
" x*ซ\*'- *^
52.9
^ ::'30.7-^
55.1
' .-v^\\\;,'-"~v;"-ฃ
\xw5-.-.'. ^ -i A**-. ><,'
'i * \v * " s^ V
60.7
^V^!^ " '
56.9
- .;--",-r;.c-,x", ,t'~ /
J \-' V^?V;'^"-
51.3
56.0
49.5
Res. 3
57.0
*.
60.1
54.0
56.1
"'V".;--Vf
59.3
;*"'^"*3
63.9
O^ ^ '^ ^
'"' I ^ '- '*
54.6
56.2
7-'"/;-1
'"" > - , '' N
',!; ;,\ \
*5,5*^ "'-''-' ! ~?
. A , ' '',;>
-ซ>-'; -*-'}
54.6
42.6
56.2
56.7
x
51.0
45.0
/V./.4
48.7
^yw&'l
52.8
x--^5 / " ; ' ^ v"
s* ป--'S> \ ""';>
x"- ;-~ .'.' ;
57.0
N V\V * s "^
51.3
u- %- '''-','
-, :-: ,' I , -;
48.5
58.0
48.9
No data submitted
Insufficient data x s
Exper.
28/30
Rng anal Normalized deviation
Sigma (R + SR) Average (grand-avg) (known) Tag
1.15
1.47
1.00
1.02
1.05
1.35
2.08
3.40
-, ' * - >
ป* ' " , -^"
" * 1 * "
S,N * * ^ "
0.46
2.00
1.59
0.29
4.06
3.99
4.25
2,39
1.73
" t,-. ^^ \
1.86
2.82
3.00
1.53
1.81
0.204
- PI
0.285
0.204
0.193
0.214
%
0.275
0.367
0.693
1 ,'"-
;
, x\^ "
-, > . ,^-i -
. ^v^c
0.092
0.407
<
0.316
>
0.051
0.805
0.754
0.866
0.468
0.346
A - '"
0.377
0.570
0.611
0.306
0.346
TAG SYMBOLS
Determined to be an
56.33
59'.57
53.00
56.53
':Y^.O"v^&
58.27
N^V^^fV^^
63.80
11 ' ^ rf \ .. 7^ฐ'^ '
^ \"S*"V * CV *"ซV ^ *
^^ X *
53.40
59.70
''. ;- '"v-.rV^^^y!1
\\~-ll$^ V^;^-
' ' , ^>fvi ;|^^p.
-~s , '-W"-^^^ ^?i*^5;f
'-\\>- ^ ^\-?^t?yw8&??""x
-^^tv|?|^%
54.10
44.60
~ ^ "\*Jy *."
^57.97^
A v * * \
56.53
v
54.40
40.43
' v,; ,\y/"-- '-gx^x:
-\, T -: ,'-, ,v\\,' tT
^ ,.,.48.67 _
'-'"^";:32>63^^
54.70
' <*'* '"s-V"- ^S1* - fe^''
,,->-r;v !;::ซ{,-;>;;
58.93
1 ->c':s\ YV ^;*
53.90
,,, , -\:'j ^^ ,*
' - '"- '^^\!X
5L43
56.33
48.17
outlier
0.24
1.20
-0.76
0.29
T^SS1^^
0.81
^r!^lK^;>
2.47
ifefe 1
^ * i-W S:"^" ^-Y
''?* si- . ^ '
-0.64
1.24
svl^f|i;iJ'CV:
-J^^^y'
^5ft^c-Jh
Qfe^S^^-ixtx ^
*%C^^-' K Pi'xk-v-.A'!
^1^:*^
-0.43
-3.27
' * < f tsV "v - -
0.72_
r-^r
0.29
<
-0.34
-4.51_
i-55^x--,"
%-f;^v>y :-;"- "1
-2.05
-^S^W^J^
-0.25
f-VsS?^*^ ' -I ^4
-\-ป\v^--;-"^
1.01
^;'H;ff\^< \V-t;
-0.49
^%'^t^- ?1
^jc4l4^:' ;-"
1.23
0.24
-2.20
ft s Above
11 = Below
-0.62
0.35
-1.61. .
-0.56
^CiS-^Ail
-0.04
*%*;?-v^J
1.61
" , -,".!!, ซ 1
' ฐ' tC1 * * -' * -1 !
" }
-1.49
0.39
,-'-;^^5^.?x^
vY^^'ll^i
, f:fe?^i'ซ<-i!
ji_l^t'ii|^-;|^^.fx
-------
29 / 30 CRD
Uranium (Natural)
Average Tag
8.80 x
12.57 x
21.73 x
24.80 x
32.63 x
40.00 tt
40.43 U
41.23 li
41.27 tt
41.33 U
41.87 Jl
44.30 li
44.60 U
45.70 Jl
45.70 U
48.17 U
48.30 Ji
48.67
48.77
49.40
50.80
50.93
51.13
51.23
51.43
51.57
51.67
52.17
52.23
52.33
52.70
52.90
52.93
53.00
53.00
53.40
53.53
s No data submitted
0 3 Insufficient data
-LV Performance
Data sorted
Lab
QX
M
JN
FJ
VH
QU
UP
JY
PW
KT
AR
S
TS
RU
OY
X
QZ
VA
DB
PV
DZ
BG
BG
SD
WO
QQ
LT
RK
CG
CJ
Q
HL
BB
SL
BN
SZ
BG
Average
53.63
53.67
53.70
53.90
54.10
54.10
54.13
54.37
54.40
54.60
54.63
54.70
54.87
55.03
55.17
55.20
55.43
55,47
55.80
55.90
56.00
56.30
56.33
56.33
56.33
56.40
56.53
56.53
56.63
56.73
56.77
57.00
57.00
57.20
57.43
57.60
57.77
Evaluation: Blind-A, 16- Apr- 1996
by Laboratory Average
Tag Lab
BO
OM
GQ
W
TQ
EB
CK
FN
UN
OS
A
VI
D
I
ER
BA
BC
EL
m
c
JE
CS
WR
SF
AH
DO
UE
SM
HK
RD
SC
RR
BK
RG
CE
AL
QY
Average
57.77
57.87
57.90
57.90
57.97
58.07
58.27
58.33
58.37
58.43
58.50
58.53
58.93
59.00
59.20
59.37
59.37
59.57
59.70
60.17
60.33
61.50
61.67
61.80
62.53
62.93
62.93
63.53
63.73
63.80
65.33
65.70
66.67
67.00
67.07
69.97
73.73
94.87
TAG SYMBOLS 1t s
x s Determined to be an outlier $ 3
^
T
Tag Lab
J
AZ
NK
CA
U
BM
SO
N
AF
E
PG
RP
VO
K
JS
RF
NT
SI
T
DI
AW
NH
NA
DT
AE
FZ
CX
HP
AK
SS
. PB-
DE
NJ
NO
L
IT BH
tr AJ
x P
Above control limit
Below control limit_^
-------
CRD-LV Performance Evaluation: Blind-A, 16-Apr-1996 30/30
Uranium (Natural)
% responding labs Frequency distribution
i
-6 -4 -2 0 +2+4
Normalized deviation of the mean from the known value
% responding labs _ Frequency distribution
-4 -20+2+4
Normalized deviation of the mean from the grand average
------- |