United States
Environmental Protection
Agency
Office of Research and
Development
Washington, DC 20460
EPA 600/R-95/010
January 1995
vvEPA
Gamma in Water
Performance
Evaluation Study
A Statistical Evaluation of
the November 4, 1994 Data
0593RS094COV-010
-------
Gamma in Water
Performance Evaluation Study
November 4, 1994
Environmental Protection Agency
Environmental Monitoring Systems Laboratory
Las Vegas, Nevada
-------
UNITED STATES ENVIRONMENTAL PROTECTION AGENCY
OFFICE OF RESEARCH AND DEVELOPMENT
ENVIRONMENTAL MONITORING SYSTEMS LABORATORY-LAS VEGAS
P.O. BOX 93478
LAS VEGAS, NEVADA 89193-3478
(702/798-2100)
Dear Participant,
Enclosed are the results of the Nuclear Radiation Assessment Division (EMSL-LV)
Performance Evaluation Study for Gamma in Water; November 4, 1994.
The known value for each analysis was determined by gravimetric methods,
checked by chemical analyses performed by EMSL-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 George Dilbeck at 702/798-2104 or Patricia Honsa at 702/798-2141.
Sincerely,
George Dilbeck
Chemist
Radioanalysis Branch
Enclosure
-------
NOTICE
This material has been funded wholly by
the U.S. Environmental Protection Agency.
It has been subject to the Agency's review,
and has been approved for publication as
an EPA document.
-------
EMSL-LV Performance Evaluation: Gamma in Water, 4-Nov-1994 1/42
The following pages consist 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 by 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. 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. The eighth and ninth columns are the differences from
the mean of all non-outliers and from the known value, respectively. 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.
-------
2/42 EMSL-LV Performance Evaluation: Gamma in Water, 4-Nov-1994
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 George Dilbeck, EMSL-LV, 702/798-2104.
-------
EMSL-LV Performance Evaluation: Gamma in Water, 4-Nov-1994
3/42
Cobalt-60 Statistical Summary 198 Participants
The known value of this nuclide is 59.0 pCi/1 with an expected precision of 5.0; the control limits
are 50.3 to 67.7; the warning regions are 50.3 to 53.2 and 64.8 to 67.7
32(16.2 %) Failed to respond ..
7(3.5 %) Outliers '
13(6.6 %) Out of control
but not an outlier
Statistic
136(68.7 %) Within all limits
Respondents
- 1O(5.1 %) In warning zone
but within control
Non-outliers
Mean
Std. Dev.
TT *
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
65.91
55.31
3059.40
83.92
11.71
0.12
58.67
-0.56
-0.01
Grand Avg 58.87
4.59
21.08
7.80
-0.23
-0.03
58.67
-0.56
-0.07
21(12.7 %) More than 3 norm. S.D.
9(5.4 %) Between 2 and 3 norm. S.D.
88(53.O %) Within 1 norm. S.D.
of known value
48(28.9 %) Between 1 and 2 norm. S.D.
-------
4/42 EMSL-LV Performance Evaluation: Gamma in Water, 4-Nov-1994
Cobalt-60
Lab
A
AE
AF
AH
AI
AJ
AK
AL
AN
V A I'l V-.
^AP "if
AU
AW
^AY_
BA
BB
BC
BG
BH
JOL"
BK
BL
BM
BN
BO
BW
C
CA
CC
CE
ICG-
CJ
CK
CM
CO
CP
CQ
cs
ex
D
DD
DE
DG
DH
"titf".
=
0 a
Res. 1
54.0
64.0
59.0
57.0
60.0
64.0
60.0
67.0
57.0
A V' A'-'"'
58.0
46.0
60.0
"'440-
60.0
62.0
59.0
58.0
58.0
57.0
63.0
58.0
60.0
54.0
63.0
57.0
33.0
62.0
52.0
65.0
32.0
58.0
61.0
61.0
61.0
58.0
61.0
57.0
56.0
63.0
63.0
^ , ' \ J ' " - ""> s
Res. 2
53.0
61.0
64.0
57.0
55.0
64.0
60.0
69.0
55.0
" ' -. '' V- " "~"
? i ; ' >" - ,>*
61.0
45.0
64.0
62.0
61.0
56.0
63.0
60.0
62.0
61.0
58.0
57.0
51.0
62.0
59.0
50.0
60.0
52.0
65.0
3810
66.0
61.0
62.0
64.0
65.0
61.0
56.0
56.0
63.0
63.0
->-",/. " ' *,
Res. 3
56.0
66.0
60.0
53.0
57.0
64.0
59.0
65.0
56.0
'*\V """' . "'
''* f "-{^ "t'\ *-\
61.0
50.0
62.0
,^r,,, ^ -
60.0
62.0
60.0
, ,: , ^ '; , < '
64.0
61.0
56.0
62.0
57.0
56.0
60.0
60.0
59.0
53.0
60.0
52.0
67.0
34.0
51.0
60.0
62.0
63.0
68.0
62.0
57.0
57.0
63.0
63.0
-" / - -' -''
No data submitted
Insufficient
data
x =
Exper.
Sigma
1.53
2.52
2.65
2.31
2.52
0.00
0.58
2.00
1.00
1.73
2.65
2.00
1.15
0.58
2.08
3.21
1.53
3.21
1.00
0.58
2.08
4.58
1.53
1.15
10.79
1.15
0.00
1.15
1.00
7.51
0.58
0.58
1.53
5.13
0.58
0.58
0.58
0.00
0.00
,''''*' O
Rng anal Normalized deviation
(R + SR) Average (grand-avg) (known) Tag
0.354
0.591
0.591
0.473
0.591
0.000
0.118
0.473
0.236
0.354
0.591
0.473
0.591
0.236
0.118
0.473
0.709
0.354
0.709
0.236
0.118
0.473
1.120
0.354
0.236
3.596
0.236
0.000
0.236
0.236
2.470
0.118
0.118
0.354
1.345
0.118
0.118
0.118
0.000
0.000
54.33
63.67
61.00
55.67
57.33
64.00
59.67
67.00
56.00
i " ; s * s
^ ^ V ^ -
60.00
47.00
62.00
60.67
61.67
58.33
61.67
59.67
58.33
62.00
57.67
57.67
55.00
61.67
58.33
45.33
60.67
52.00
65.67
33.06
58.33
60.67
61.67
62.67
63.67
61.33
56.67
56.33
63.00
63.00
TAG SYMBOLS
Determined
to be an
outlier
-1.57
1.66
0.74
-1.11
-0.53
1.78
0.28
2.82
-0.99
--. l * ^ - - -,
-" '","'", '* ' *""" ,
0.39
-4.11
1.09
0.62
0.97
-0.18
,. ':*"f;"">
0.97
',' '->
0.28
-0.18
1.09
-0.42
-0.42
-1.34
0.97
-0.18
-4.69
0.62
-2.38
2.36
-8.96
-0.18
0.62
0.97
1.32
1.66
0.85
-0.76
-0.88
1.43
1.43
> ' ' -' 'j~»/1' v\
ft = Above
li = Below
-1.62
1.62
0.69
-1.15
-0.58
1.73
0.23
2.77
-1.04
;
; \^\ r ^ ,c * --
0.35
-4.16 U
_ 1.04
0.58
0.92
-0.23
' '.'^; -::'>"!
0.92
- ' ; : *\ ,
0.23
-0.23
1.04
-0.46
-0.46
-1.39
0.92
-0.23
-4.73 li
0.58
-2.42
2.31
'"0.01 "*' x 'T
-0.23
0.58
0.92
1.27
1.62
0.81
-0.81
-0.92
1.39
1.39
V-""' '/""
control limit
control limit
-------
EMSL-LV Performance Evaluation: Gamma
in Water,
4-Nov-1994
5/42
Cobalt-60
Lab
DL
DM
DO
DT
DZ
JE_
x?3BA^
EB
EL
EN
EW
EX
vJ6Z:|'
FJ
\FKi
' -FLv
FU
FZ
GE
GI
GL
GQ
'H£>'
HJ
HK
HL
;^p;
I
1C
J
JE
JG
JI
JR
JS
JY
K
KH
KL
KX
L
LE
LF
LR
=
0 5
Res. 1
57.0
68.0
66.0
54.0
52.0
J58.0_
^'^:\;l\xVS;,>-
58.Q
55.0
72.0
55.0
58.0
$' ::64^(KX
_54.0 _
\%T ' -v,~' ',;,,* ^
VV:' 476;tK^
62.0
60.0
56.0
60.0
55.0
60.0
y"t -r~^^:
59.0
60.0
57.0
^ A; *Tk<&;
60.0
59.0
60.0
60.0
59.0
55.0
^, - - ^ -Vyv ^r
56.0
67.0
52.0
82:0
57.0
55.0
57.0
66.0
54.0
62.0
Res. 2
54.0
69.0
64.0
54.0
55.0
^58.0^
'X'^-*m-
58?0
56.0
69.0
60.0
58.0
t \62feP
59.0
;/;v*;'\X,;,;
^^483.01
60.0
63.0
54.0
58.0
54.0
61.0
^^-/7^ ~v"
60.0
60.0
57.0
-VW0:^
59.0
62.0
59.0
64.0
58.0
54.0
59.0
78.0
50.0
76;6
58.0
59.0
56.0
63.0
59.0
66.0
Res. 3
56.0
71.0
63.0
56.0
56.0
, ^ ?8.p ^
;;| ^ >V5 \ ;
58.0
60.0
65.0
57.0
59.0
;-- 1126,6* '
58.0
< i * " ^i"""1 -. . ^ ^
>>496.0V
55.0
67.0
57.0
59.0
52.0
61.0
'-;---!, ' ")
63.0
60.0
57.0
visaed ,;
58.0
64.0
59.0
62.0
59.0
58.0
56.0
54.0
48.0
81.0
58.0
60.0
58.0
64.0
57.0
62.0
No data submitted
Insufficient
data
x =
Exper.
Sigma
1.53
1.53
1.53
1.15
2.08
0.00
V "- '
0.00
2.65
3.51
2.52
0.58
-: --'1127''
2.65
13.00
3.61
3.51
1.53
1.00
1.53
0.58
2.08
0.00
0.00
5 10.00
1.00
2.52
0.58
2.00
0.58
2.08
1.73
12.01
2.00
3.21
0.58
2.65
1.00
1.53
2.52
2.31
Rnganal
(R + SR)
0.354
0.354
0.354
0.236
0.473
0.000
0.000
0.591
0.827
0.591
0.118
31596
0.591
4.946
0.827
0.827
0.354
0.236
0.354
0.118
0.473
0.000
0.000
3.696
0.236
0.591
0.118
0.473
0.118
0.473
.';":':.:!;;"': ,
0.354
4.496
0.473
0.709
0.118
0.591
0.236
0.354
0.591
0.473
Normalized deviation
Average
55.67
69.33
64.33
54.67
54.33
58.00
'"~ .: <'^'
58.00
57.00
68.67
57.33
58.33
632.00: ;
57.00
x ', -*: ' '-" '
..488.06*:
59.00
63.33
55.67
59.00
53.67
60.67
"-N s £
60.67
60.00
57.00
381.00
59.00
61.67
59.33
62.00
58.67
55.67
57.00
66.33
50.00
79,67
57.67
58.00
57.00
64.33
56.67
63.33
TAG SYMBOLS
Determined
to be an outlier
(grand-avg)
-1.11
3.63
1.89
-1.45
-1.57
,_ J:§\163J90^
-0.65
V,,>^"'V-S1\>SC,
;^> 146 J2 ^;
0.05
1.55
-1.11
0.05
-1.80
0.62
v '- ,V'/V\V
0.62
0.39
-0.65
. ^iMsr-*
0.05
0.97
0.16
1.09
-0.07
-1.11
» ~
-0.65
2.59
-3.07
>". -" -7^1 "v
-0.42
-0.30
-0.65
1.89
-0.76
1.55
(known) Tag
-1.16
3.58 ft
1.85
-1.50
-1.62
,^9-§{LN.
x V1, -'-'--V- Y-'o
-0.35
-0.69
3.35 ft
-0.58
-0.23
163.85 X
-0.69
'^o^l'k"1; * ''
;14^ii .''^ '
0.00
1.50
-1.15
0.00
-1.85
0.58
-''-"'' v/-x.v'''V«'"
0.58
0.35
-0.69
lli:04 x
0.00
0.92
0.12
1.04
-0.12
-1.15
" «
-0.69
2.54
-3.12 &
116 X
-0.46
-0.35
-0.69
1.85
-0.81
1.50
ft s Above control limit
JJ = Below control limit
-------
6 / 42 EMSL-LV Performance Evaluation:
Gamma in Water,
4-Nov-1994
Cobalt-60
Lab
LT
M
^MA
MP
MQ
:;MTl
MV
MY
N
'"NB>'
NH
m
NJ
NK
NP
NZ
O
OA
OB
OK
OL
OM
PB
PE
PI
PM
PQ
PU
PV
PW
Q
QJ
QP
QT
QU
QW
QX
QZ
R
RC
RF
RH
RK
RL
=
0 =
Res. I
59.0
55.0
57.0
58.0
., ^,55.0_ _
' '' ' :;>,v
69.0
57.0
63.0
56.0
64.0
53.0
56.0
57.0
62.0
-,;' s »,>
49.0
55.0
54.0
59.0
56.0
57.0
60.0
63.0
57.0
59.0
56.0
58.0
60.0
61.0
.
65.0
52.0
60.0
55.0
51.0
72.0
Res. 2
59.0
56.0
57.0
58.0
60.0
^"^^XV/';"
69.0
57.0
62.0
f: - -V: -;-; ;'.
57.0
j
64.0
53.0
58.0
60.0
61.0
' "A"*'
48.0
53.0
\
54.0
60.0
55.0
58.0
60.0
"" 2 ' '.. ' ' '
S, "* ' *" 1 C *
61.0
58.0
56.0
54.0
59.0
56.0
60.0
, ..,, - ' ,
66.0
49.0
61.0
57.0
53.0
72.0
Res. 3
62.0
57.0
57.0
57.0
56.0
/:<**"' T;; "
69.0
56.0
61.0
' " V
57.0
60.0
57.0
58.0
52.0
60.0
t
48.0
54.0
54.0
59.0
53.0
57.0
60.0
64.0
61.0
56.0
57.0
59.0
64.0
58.0
.,
65.0
52.0
61.0
53.0
49.0
72.0
No data submitted
Insufficient
data
x =
Exper. Rng anal
Sigma (R + SR) Average
1.73
1.00
0.00
0.58
2.65
* *"" ''
0.00
0.58
1.00
0.58
,'"
2.31
2.31
1.15
4.04
1.00
0.58
1.00
0.00
0.58
1.53
0.58
0.00
1.53
2.08
1.73
1.53
0.58
4.00
1.53
0.58
1.73
0.58
2.00
2.00
0.00
0.354
0.236
0.000
0.118
0.591
0.000
0.118
0.236
0.118
0.473
0.473
0.236
0.945
0.236
0.118
0.236
0.000
0.118
0.354
0.118
0.000
0.354
0.473
0.354
0.354
0.118
0.945
0.354
0.118
0.354
0.118
0.473
0.473
0.000
60.00
56.00
57.00
57.67
57.00
69^00
56.67
62.00
-< t.
56.67
62.67
54.33
57.33
56.33
61.00
' ,
48.33
54.00
54.00
59.33
54.67
57.33
60.00
62.67
58.67
57.00
55.67
58.67
60.00
59.67
65.33
51.00
60.67
55.00
51.00
72.00
TAG SYMBOLS
Determined to
be an
outlier
Normalized deviation
(grand-avg) (known) Tag
0.39
-0.99
_ ^-0.65
-0.42
-0.65
' ' s" , ^ v ^ '' **'!']
3.51
-0.76
1.09
-. ' ' .'' -- ,',
-0.76
'< " , "
1.32
-1.57
-0.53
-0.88
0.74
' , - ' -,,V:~- -'
-3.65
-1.69
" '\
-1.69
0.16
-1.45
-0.53
0.39
, '
1.32
-0.07
-0.65
-1.11
-0.07
0.39
0.28
2.24
-2.72
0.62
-1.34
-2.72
4.55
11 = Above
JJ. s Below
0.35
-1.04
^-0.69 _;__
-0.46
-0.69
"^"TT-"7;"r -
3.46 ft
-0.81
Jl.04
-, , ; *
-0.81
;'1/: . ; . '
1.27
-1.62
-0.58
-0.92
0.69
/- , ''-' -«:
-3.70 U
-1.73
^ "' \.'.:-',«/
-1.73
0.12
-1.50
-0.58
0.35
X '..-,,. '"'
1.27
-0.12
-0.69
-1.15
-0.12
0.35
0.23
*
2.19
-2.77
0.58
'"", ",""'"<" "-
-1.39
-2.77
'C',.V""'. ..':' .*...'''' '
4.50 " IT
control limit
control limit
-------
EMSL-LV Performance Evaluation: Gamma in Water,
Cobalt-60
Lab
RM
RO
RR
RU
RV
RX
RZ
S
'"'Qf '"
N"1
SD
SF
'SI*
SK
SM
SN
SR
ss
ST
sv
sw
lCSX'*'
sz
T
TB
TC
TD
TE
TH
TI
TL
TO
TQ
TR
TS
U
UE
UM
UN
UP
UR
UT
UV
UW
UX
UY
Res. 1
55.0
58.0
55.0
59.0
64.0
64.0
58.0
59.0
Y!! ;>v 'C;ivA5₯' '*3:°
"<! ,'' " V'\v, 'T; TV
49.0
59.0
£\?r ^3o»0;,'%
nl/- VV 'v,V>"
51.0
68.0
55.0
60.0
55.0
62.0
61.0
"V* A Xs1" ^ '"'"'" \ ^" \ ^
59.0
56.0
72.0
';";; -\; T-; ' ,T
62.0
63.0
53.0
64.0
58.0
59.0
57.0
81.0
57.0
59.0
57.0
63.0
55.0
46.0
46.0
1 X -;*;,
59.0
56.0
59.0
Res. 2 Res. 3
59.0
62.0
57.0
58.0
60.0
62.0
59.0
57.0
~\& ~T,! -V** ~ ','xv'
' v" -'X'1 ^ ,\', .*os!'
48.0
61.0
;'- $* S~>"3wj0\ !i%v
iv^?l::^%AjV
53.0
63.0
53.0
62.0
54.0
71.0
55.0
«f/;;rs-ir?-X' -,
59.0
51.0
70.0
-V- v'
66.0
61.0
65.0
61.0
51.0
59.0
57.0
70.0
61.0
60.0
58.0
64.0
56.0
46.0
47.0
±v }-"*"; - v '!
57.0
59.0
57.0
57.0
61.0
59.0
62.0
54.0
68.0
59.0
59.0
\s <\v ^s -V-
"" * s W * > X
53.0
56.0
C33X)
* ss;-
52.0
54.0
54.0
58.0
53.0
63.0
55.0
"" .> .. "C"" ^
59.0
55.0
72.0
60.0
62.0
59.0
62.0
57.0
59.0
56.0
70.0
58.0
62.0
57.0
65.0
57.0
48.0
46.0
* s
57.0
52.0
56.0
s No data submitted
0 a
Insufficient
data
x =
Exper.
Sigma
2.00
2.08
2.00
2.08
5.03
3.06
0.58
1.15
""V % "" 0" -.
2.65
2.52
-V 1x7$, ;
1.00
7.09
1.00
2.00
1.00
4.93
3.46
-; - - r - ,
0.00
2.65
1.15
3.06
1.00
6.00
1.53
3.79
0.00
0.58
6.35
2.08
1.53
0.58
1.00
1.00
1.15
0.58
'
1.15
3.51
1.53
Rng anal
(R + SR) Average
0.473
0.473
0.473
0.473
1.345
0.709
0.118
0.236
s
0.591
0.591
0.364
0.236
2.245
0.236
0.473
0.236
1.120
0.709
" ,_ ""
0.000
0.591
0.236
0.709
0.236
1.795
0.354
0.827
0.000
0.118
1.570
0.473
0.354
0.118
0.236
0.236
0.236
0.118
0.236
0.827
0.354
57.00
60.33
57.00
59.67
59.33
64.67
58.67
58.33
";,-;° V1- ">*
-. " ' * s ^ - "" * \
50.00
58.67
s, "- .- 3iidQ\«l-
'' - '-' '''{# 'V
52.00
61.67
54.00
60.00
54.00
65.33
57.00
- ' * s **' ^;
59.00
54.00
71.33
62.67
62.00
59.00
62.33 V
55.33
59.00
56.67
73.67
58.67
60.33
57.33
64.00
56.00
46.67
46.33
, \ - *\ , *
57.67
55.67
57.33
TAG SYMBOLS
Determined
to be an
outlier
4-Nov-1994
7/42
Normalized deviation
(grand-avg) (known) Tag
-0.65
0.51
-0.65
0.28
0.16
2.01
-0.07
-0.18
,\*^-* ^;>»\'\''«
'" *-*> >x. \ ; ,^VS~' -
-3.07
-0.07
; -f ;-^0\65 A\-: t- v
ts;^s^^4;
-2.38
0.97
-1.69
0.39
-1.69
2.24
-0.65
:"s;y;irr"7
0.05
-1.69
4.32
1 ^ ^ ^ '''' '"0
1.32
1.09
0.05
1.20
-1.22
0.05
-0.76
5.13
-0.07
0.51
-0.53
"
L78
-0.99
-4.23
-4.34
' v !
-0.42
-1.11
-0.53
tt & Above
tl = Below
-0.69
0.46
-0.69
0.23
0.12
1.96
-0.12
-0.23
^ ~\- ;-,.-- ' "-
" ! ! ' >' "*'
-3.12 b
-0.12
,,9:70-' «c X:f>,
yS\x ;V :f.s; '
-2.42
0.92
-1.73
0.35
-1.73
2.19
-0.69
'7~"' \v~;~y '.'.
0.00
-1.73
4.27 ft
V V """ V %
1.27
1.04
0.00
1.15
-1.27
0.00
-0.81
5.08 ft
-0.12
0.46
-0.58
1.73
-1.04
-4.27 U
-4.39 U
- / ; * -
-0.46
-1.15
-0.58
control limit
control limit
-------
8/42 EMSL-LV Performance Evaluation: Gamma
Cobalt-60
Lab Res. 1 Res. 2
VA 57.0 56.0
VC 66.0 62.0
VE 62.0 60.0
VG 58.0 58.Q
VH 54.0 58.0
v ^ "" ,Vi \' ' '"
VM 59.0 63.0
'VN: " ;:-,'>ti-^v:^T.
VO 62.0 59.0
^**>V5' ' " "* * * "*'" " -^ '--^ ' *?"' ''' '^
1 VQ1-' , -' '" V ' \ ' '>\-',\' ,\£?'^
'ttfgi , , , < ' - '- ' ,-X ?4--'v--!Jv
VK . ./Sl * - --v,,^,-
VS 64.0 65.0
VT 48.0 59.0
VU 58.0 55.0
- "" ""-ru-f "" '^ ^ ' % "" ^ -% - \ " * V "f '"' "
"\-VX" " "' *" - "- * " " ' "'--'" "- ""\
W 55^0 60.0
X 61.0 59.0
Z 59.0 61.0
Res. 3
,.
' *?
,_,-, V. v
' A" X1^"'
"" "\vY
-,^/r
%' .-.>'.''' '
", ^
59.0
75.0
60.0
56.0
55.0
>, '!
"AT '- -. A>;' ; - ; '.<,.- '-'\ ^ , r A "*' A A 'v^rr-:?'F"^-"/:-\» :^::
61.0
' A
>:' ?
63.0
70.0
55.0
* '^*X1
.._. ~"~"
56.0
66.0
60.0
Data
Average Tag
31.00 x
33.00 x
41.33 x
45.33 U
46.33 JJ.
46.67 Ji
47.00 U
48.33 U
50.00 tt
50.00 ^
51.00
51.00
52.00
52.00
53.67
54.00
54.00
54.00
54.00
54.00
54.33
. 54.33
54.33
54.67
= No data submitted
0 '=-' Insufficient data
Lab
SI
CM
AZ
CC
UT
UR
AW
OB
SD
K
RH
QZ
SM
CJ
GL
T
ST
SR
OM
OK
NK
DZ
A
PE
1.53
'*-,'' ','- ' ''
A'/A-:'Ar'
1.00
11.00
1.73
/ -. ' ' s ' ^ i "_.,>
2.65
3.61
1.00
0.354
- >'';,'
0.236
4.046
0.354
% f f
0.591
0.827
0.236
60.67
-
64.00
59.00
56.00
" < ',
57.00
62.00
60.00
: & ""-.
'
'""i.
0.62
",<,* ----- "^ > s
- ' '' '^
' '- '- -:, ,
" 1.78
0.05
-0.99
'-"ft"-. " ''i'%/' -" f J
/ 1 I '' '""''"t:--'' -. ^
-0.65
1.09
0.39
0.58
' ^ ;\ "'' /
s\ - ^\
"v-v :-
1.73
0.00
-1.04
'-" *^A; ^
\ * ' ,'-
-0.69
1.04
0.35
**, ^
:" '* '
-*"-
V vv ^A
,'' '*''
sorted by Laboratory Average
Average
54.67
55.00
55.00
55.33
55.67
55.67
55.67
55.67
55.67
55.67
55.67
56.00
56.00
56.00
56.00
56.33
56.33
56.67
56.67
56.67
56.67
56.67
57.00
57.00
Tag
Lab
DT
RF
BW
TL
VH
UX
Q
JI
GE
DL
AH
VU
UP
M
AN
NZ
DE
TQ
NH
MY
LF
DD
W
SW
Average
57.00
57.00
57.00
57.00
57.00
57.00
57.00
57.00
57.00
57.00
57.33
57.33
57.33
57.33
57.33
57.33
57.33
57.33
57.67
57.67
57.67
57.67
57.67
58.00
TAG SYMBOLS
x
= Determined to be an outlier
Tag
IT s Above
li = Below
control
control
Lab
RR
RM
PW
MQ
MA
L
JS
HL
FJ
EL
VG
VA
UY
UE
PI
NP
EW
AI
UW
MP
KL
BO
BN
KX
limit
limit
-------
EMSL-LV Performance Evaluation: Gamma
Cobalt-60
in Water, 4-Nov-1994
9/42
Data sorted by Laboratory Average
Average Tag
58.00
58.00
58.33
58.33
58.33
58.33
58.33
58.33
58.67
58.67
58.67
58.67
58.67
58.67
59.00
59.00
59.00
59.00
59.00
59.00
59.00
59.33
59.33
59.33
59.67
59.67
59.67
59.67
60.00
60.00
60.00
% responding labs
1 n«
|U' -----------
n m _ _
-6 -4
Lab
EB
E
S
EX
CO
CA
BL
BC
TS
SF
RZ
QJ
PV
JG
VT
TO
TH
SZ
I
GI
FU
RV
PB
J
RU
QT
BK
AK
Z
ss
QP
Average Tag
60.00
60.00
60.00
60.00
60.33
60.33
60.67
60.67
60.67
60.67
60.67
60.67
60.67
60.67
61.00
61.00
61.33
61.33
61.67
61.67
61.67
61.67
61.67
61.67
62.00
62.00
62.00
62.00
62.00
62.00
62.33
Frequency distribution
1 _.
-liilltiill.L
-2 0
Lab
PM
LT
HK
AU
U
RO
VO
VE
R
HJ
GQ
CP
CE
BA
O
AF
VM
D
SN
1C
CQ
C
BH
BB
X
TE
N
JE
BM
AY
TI
Average
62.67
62.67
62.67
62.67
63.00
63.00
63.33
63.33
63.67
63.67
64.00
64.00
64.00
64.33
64.33
64.67
65.33
65.33
65.67
66.33
67.00
67.67
68.67
69.00
69.33
71.33
72.00
73.67
79.67
381.00
483.00
532.00
. _ __
5 T
Tag
IT
IT
ft
ft
ft
ft
X
X
X
X
+4
Lab
TD
PU
NJ
CS
DH
DG
LR
FZ
CX
AE
vs
UN
AJ
LE
DO
RX
sv
QX
CK
JY
AL
VC
EN
MV
DM
TB
RL
TR
KH
HP
FL
EZ
S
+6
Normalized deviation of the mean from the known value
s No data submitted
0 = Insufficient data
TAG SYMBOLS
tt
x = Determined to be an outlier U
s Above
= Below
control limit
control limit
-------
10/42 EMSL-LV Performance Evaluation: Gamma in Water, 4-Nov-1994
Cobalt-60
% responding labs Frequency distribution
10-
.III...
6 -4 -20 +2 +4 +6
Normalized deviation of the mean from the grand average
-------
EMSL-LV Performance Evaluation: Gamma in Water, 4-Nov-1994
11/42
Zinc-65 Statistical Summary 198 Participants
The known value of this nuclide is 100.0 pCi/1 with an expected precision of 10.0; the control limits
are 82.7 to 117.3; the warning regions are 82.7 to 88.4 and 111.6 to 117.3
34(17.2 %) Failed to respond s.
7(3.5 %) Outliers '
9(4.5 %) Out of control
but not an outlier
Statistic
129(65.2 %) Within all limits
Respondents
* 19(9.6 %) 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
138.60
395.31
156273.61
285.22
38.60
0.10
105.00
5.00
0.01
Grand Avg 104.68
7.95
63.23
7.60
4.68
0.59
105.00
5.00
0.63
16(9.8 %) More than 3 norm. S.D.
19(11.6 %) Between 2 and 3 norm. S.D.'
68(41.5 %) Within 1 norm. S.D.
of known value
61(37.2 %) Between 1 and 2 norm. S.D.
-------
12/42 EMSL-LV Performance Evaluation: Gamma
in Water,
4-Nov-1994
Zinc-65
Lab
A
AE
AF
AH
AI
AJ
AK
AL
AN
AP
AU
AW
AY
AZ
BA
BB
BC
BG
BH
Bt
BK
BL
BM
BN
BO
BW
C
CA
CC
CE
CG
CJ
CK
CM
CO
CP
CQ
CS
CX
D
DD
DE
DG
DH
Res. 1
101.0
112.0
94.0
108.0
99.0
101.0
105.0
109.0
103.0
- « - - ;,
107.0
98.0
106.0
107.0
122.0
113.0
102.0
109.0
-' ;* '' "'-' N ;
105.0
100.0
106.0
109.0
120.0
77,0
99.0
94.0
81.0
111.0
74.0
106.0
61.0
130.0
104.0
121.0
115.0
118.0
113.0
101.0
95.0
111.0
103.0
Res. 2
98.0
109.0
109.0
106.0
111.0
103.0
95.0
111.0
97.0
/ ,; ;'',;,' -
90.6
96.0
98.0
120.0
117.0
112.0
100.0
>' "-T," >",-'
107.0
" "" V^ '"' s
107.0
100.0
108.0
97.0
109.0
81.0
100.0
93.0
89.0
110.0
88.0
101.0
61.6 *
113.0
107.0
122.0
114.0
109.0
114.0
104.0
96.0
111.0
101.0
Res. 3
101.0
115.0
104.0
110.0
105.0
102.0
102.0
111.0
96.0
;- *'< : v- '- ' -
110.0
86.0
101.0
126.0
112.0
105.0
106.0
, !
101.0
* ,'.
113.0
100.0
105.0
97.0
109.0
72.0
102.0
94.0
99.0
105.0
\ : \ ' , ,"
82.0
118.0
62.0
108.0
107.0
122.0
120.0
102.0
112.0
99.0
97.0
111.0
104.0
3 No data submitted
0 s
Insufficient
data
x =
Exper.
Sigma
1.73
3.00
7.64
2.00
6.00
1.00
5.13
1.15
3.79
10.79
6.43
4.04
9.71
5.00
4.36
3.06
; '
4.16
, ' '"'' s
4.16
0.00
1.53
6.93
6.35
4.51
1.53
0.58
9.02
3.21
7.02
8.74
'> 6.51
11.53
1.73
0.58
3.21
8.02
1.00
2.52
1.00
0.00
1.53
Rnganal
(R + SR)
0.177
0.354
0.886
0.236
0.709
0.118
0.591
0.118
0.413
' ' -
1.345 '
0.709
0.473
1.233
0.591
0.473
0.354
0.473
0.473
0.000
0.177
0.709
0.650
0:532
0.177
0.059
1.120
0.354
0.827
1.008
0.591
1.570
0.177
0.059
0.354
0.945
0.118
0.295
0.118
0.000
0.177
Normalized deviation
Average
100.00
112.00
102.33
108.00
105.00
102.00
100.67
110.33
98.67
*'
102.33
93.33
101.67
117.67
117.00
110.00
102.67
105.67
> , ~-
108.33
100.00
106.33
101.00
112.67
76.67
100.33
93.67
89.67
108.67
81.33
108.33
5467
117.00
106.00
121.67
116.33
109.67
113.00
101.33
96.00
111.00
102.67
TAG SYMBOLS
Determined
to be an outlier
(grand-avg) (known) Tag
-0.81
1.27
-0.41
0.58
0.06
-0.46
-0.69
0.98
-1.04
' ^; , ^ "/ "
-0.41
-1.96
-0.52
2.25
2.13
0.92
:0.35
''. - *' ' '
0.17
--;' - ' \; '
0.63
-0.81
0.29
-0.64
1.38
-4.85
-0.75
-1.91
-2.60
0.69
-4.04
0.63
-8.66
2.13
0.23
2.94
2.02
0.86
1.44
-0.58
-1.50
1.10
-0.35
tt 3 Above
li s Below
0.00
2.08
0.40
1.39
0.87
0.35
0.12
1.79
-0.23
V'tJ'",, >/'*
0.40
-1.15
0.29
3.06 ft
2.94
1.73
0.46
v '"'.<;"/ :._5
0.98
- ',//"-
-------
EMSL-LV Performance Evaluation: Gamma
in Water,
4-Nov-1994
13 / 42 ]
Zinc-65
Lab
DL
DM
DO
DT
DZ
E
EA
EB
EL
EN
EW
EX
E2
FJ
FK
FL
FU
FZ
GE
GI
GL
GQ
m
HJ
HK
HL
HP
HX
I
1C
J
JE
JG
JI
JR
JS
JY
K
KH
KL
KX
L
LE
LF
LR
=
0 =
Res. 1
100.0
130.0
105.0
116.0
88.0
112.0
109.0
104.0
124.0
107.0
106.0
5163.0
86.0
x To N x
881.0\
104.0
114.0
95.0
110.0
105.0
90.0
- - " "
110.0
106.0
111.0
110.0
108.0
109.0
108.0
; 10.0>₯
93.0
113.0
101.0
91.0
137.0
102.0
100.0
98.0
125.0
100.0
139.0
Res. 2
97.0
130.0
104.0
110.0
97.0
108.0
111.0
102.0
120.0
87.0
103.0
5095.0
82.0
^ ,^ ^ 0 ^
799.0
109.0
106.0
97.0
112.0
105.0
92.0
-
95.0
107.0
111.0
;
,-: s^'V " *"
101.0
114.0
107.0
102.0
M^9X>-'"
99.0
107.0
90.0
91.0
162.0
103.0
99.0
98.0
101.0
120.0
124.0
Res. 3
95.0
125.0
100.0
108.0
91.0
102.0
>
109.0
106.0
100.0
111.0
109.0
5095.0
89.0
834.0
102.0
112.0
100.0
105.0
105.0
95.0
115.0
107.0
111.0
104.0
107.0
108.0
108.0
W--9.Q '
99.0
109.0
106.0
96.0
150.0
96.0
98.0
106.0
131.0
100.0
128.0
No data submitted
Insufficient
data
X 3
Exper.
Sigma
2.52
2.89
2.65
4.16
4.58
5.03
1.15
2.00
12.86
12.86
3.00
, 33.46
3.51
41.15
3.61
4.16
2.52
3.61
0.00
2.52
10.41
0.58
0.00
4.58
3.79
1.00
3.46
0.58
3.46
3.06
8.19
2.89
12.50
3.79
1.00
4.62
15.87
11.55
7.77
Rng anal
(R + SR)
0.295
0.295
0.295
0.473
0.532
0.591
0.118
0.236
1.795
1.795
0.354
5.621
0.413
8.321
0.413
0.473
0.295
0.413
0.000
0.295
1.345
0.059
0.000
0.532
0.413
0.118
0.354
0.059
0.354
0.354
0.945
0.295
1.908
0.413
0.118
0.473
2.470
1.345
0.886
Normalized deviation
Average
97.33
128.33
103.00
111.33
92.00
107.33
,
109.67
104.00
114.67
101.67
106.00
5114.33
85.67
838.00
105.00
110.67
97.33
109.00
105.00
92.33
s
106.67
106.67
111.00
>
105.00
109.67
108.00
106.00
9.33
97.00
109.67
99.00
92.67
149,67
100.33
99.00
100.67
119.00
106.67
130.33
TAG SYMBOLS
Determined
to be an outlier
(grand-avg)
-1.27
4.10
-0.29
1.15
-2.20
0.46
N
0.86
-0.12
1.73
-0.52
0.23
867.70
-3.29^
s -.
*N 127.02
0.06
1.04
-1.27
0.75
0.06
-2.14
0.34
0.34
1.10
s
V
0.06
0.86
0.58
0.23
:-ril£&l:* "
-1.33
0.86
-0.98
-2.08
7,79
-0.75
-0.98
-0.69
2.48
0.34
4.44
(known) Tag
-0.46
4.91 ft
0.52
1.96
-1.39
1.27
1.67
0.69
2.54
0.29
1.04
868.51 X
-2.48
127.83 x
0.87
1.85
-0.46
1.56
0.87
-1.33
- - «
1.15
1.15
1.91
-
0.87
1.67
1.39
1.04
-15;70 '-': yx
-0.52
1.67
-0.17
-1.27
8.60 x
0.06
-0.17
0.12
3.29
1.15
5.25
ft s Above control limit
U s Below control limit
-------
14/42 EMSL-LV Performance Evaluation: Gamma in Water,
4-Nov-1994
Zinc-65
Lab
LT
M
MA
ML
MP
MQ
MT
MV
MY
N
NH
NI
NJ
NK
NP
NZ
0
OA
!,
OB
OK
OL
OM
PB
PE
PI
PM
PQ
PU
PV
PW
Q
QJ
QP
QT
QU
QW
QX
QZ
R
RC
RF
RH
RL
=
0 s
Res. 1
99.0
100.0
103.0
111.0
112.0
118.0
100.0
108.0
112.0
90.0
118.0
103.0
83.0
107.0
94.0
,. "* -,1 - v! * CV
95.0
102.0
107.0
105.0
113.0
107.0
101.0
107.0
110.0
96.0
112.0
108.0
105.0
91.0
110.0
100.0
95.0
92.0
Res. 2
88.0
98.0
103.0
112.0
109.0
115.0
96.0
109.0
109.0
-' ;"""<>/ -
96.0
115.0
107.0
95.0
109.0
99.0
-"",' *'' \ v
96.0
103.0
106.0
94.0
103.0
102.0
104.0
116.0
104.0
112.0
113.0
108.0
" * '
104.0
99.0
109.0
108.0
89.0
'"' - " *,'', ~~' '
92.0
Res. 3
102.0
102.0
102.0
105.0
100.0
115.0
98.0
110.0
109.0
100.0
100.0
108.0
109.0
109.0
92.0
j , ^ -.- , -.
102.0
102.0
99.0
101.0
99.0
116.0
111.0
96.0
105.0
108.0
112.0
103.0
" '
106.0
96.0
106.0
107.0
94.0
92.0
No data submitted
Insufficient
data
x =
Exper.
Sigma
7.37
2.00
0.58
s \ ' ' s ^
3.79
6.24
1.73
2.00
1.00
1.73
5.03
9.64
2.65
13.01
1.15
3.61
3.79
0.58
4.36
5.57
7.21
7.09
5.13
10.02
3.21
8.33
0.58
2.89
1.00
4.04
2.08
4.36
3.21
0.00
Rng anal
(R + SR) Average
0.827
0.236
0.059
0.413
0.709
0.177
0.236
0.118
0.177
0.591
1.120
0.295
2.020
0.118
0.413
0.413
0.059
0.473
0.650
0.827
0.827
0.591
1.345
0.354
0.945
0.059
0.295
0.118
0.473
0.236
0.473
0.354
0.000
96.33
100.00
102.67
109.33
107.00
s v -. : :__
116.00
98.00
109.00
110.00
95.33
111.00
106.00
95.67
108.33
1 --'':',"
95.00
97.67
102.33
104.00
100.00
105.00
108.33
105.33
106.33
106.33
105.33
112.33
106.33
105.00
95.33
108.33
105.00
92.67
92.00
TAG SYMBOLS
Determined
to be an
outlier
Normalized deviation
(grand-avg) (known) Tag
-1.45
-0.81
:0.35
0.81
0.40 _
1.96
-1.16
0.75
0.92
- k "'
-1.62
1.10
0.23
-1.56
0.63
""';) V-- v:-
-1.68
' .', , - ,<" ^ /
-1.21
-0.41
-0.12
-0.81
0.06
0.63
0.11
0.29
0.29
0.11
1.33
0.29
0.06
-1.62
0.63
0.06
-2.08
-2.20
tt = Above
li s Below
-0.64
0.00
0.46
'; ,_ ' :< -> ',
1.62
rl^,;,..
2.77
-0.35
1.56
1.73
, --" ;r!»^ .
-0.81
1.91
1.04
-0.75
1.44
, "" '\ 'A
-0.87
V':"' "'- -','
-0.40
0.40
0.69
0.00
0.87
*
1.44
0.92
1.10
1.10
0.92
2.14
1.10
.*'
-
0.87
-0.81
1.44
-
0.87
-1.27
> -, < * -
-1.39
control limit
control limit
-------
EMSL-LV Performance Evaluation: Gamma in Water, 4-Nov-1994
15/42
Zinc-65
Lab
RM
RO
RR
RU
RV
RX
RZ
S
' SC "v
SD
SF
SI
SK
SM
SN
SR
ss
ST
sv
sw
7sx
sz
T
TB
1C
TD
TE
TH
TI
TL
TO
TQ
TR
TS
U
UE
UM
UN
UP
UR
UT
UV
UW
UX
UY
=
0 =
Res. 1
91.0
96.0
110.0
108.0
88.0
99.0
103.0
100.0
V^-T^x i
99.0
116.0
\ ," i ;~,- v >,"-
98.0
130.0
102.0
96.0
96.0
93.0
111.0
x
104.0
105.0
116.0
v
102.0
116.0
115.0
112.0
88.0
110.0
112.0
105.0
102.0
105.0
99.0
113.0
100.0
96.0
88.0
99.0
106.0
101.0
Res. 2
93.0
108.0
103.0
107.0
115.0
100.0
100.0
106.0
«^>F;'"y';V;
93.0
105.0
^₯^
93^0
120.0
108.0
101.0
97.0
111.0
99.0
107.0
99.0
116.0
110.0
109.0
101.0
115.0
94.0
107.0
98.0
126.0
104.0
102.0
100.0
':. , _.... ... '
117.0
104.0
106.0
96.0
\\
103.0
104.0
112.0
Res. 3
89.0
110.0
106.0
109.0
95.0
107.0
103.0
101.0
VJ""' " : '
96.0
114.0
;|;ff;°:;
92.0
122.0
104.0
112.0
105.0
119.0
99.0
109.0
101.0
111.0
116.0
117.0
108.0
109.0
92.0
108.0
111.0
122.0
101.0
105.0
96.0
116.0
105.0
100.0
96.0
-
96.0
99.0
108.0
No data submitted
Insufficient
data
x =
Exper. Rng anal Normalized deviation
Sigma (R + SR) Average (grand-avg) (known) Tag
2.00
7.57
3.51
1.00
14.01
4.36
1.73
3.21
x '* '"'- ; ', ' ,
3.00
5.86
5:63
3.21
5.29
3.06
8.19
4.93
13.32
6.93
2.52
3.06
2.89
7.02
4.36
7.00
3.00
3.06
1.53
7.81
11.15
1.53
1.73
2.08
2.08
2.65
5.03
4.62
3.51
3.61
5.57
0.236
0.827
0.413
0.118
2.133
0.473
0.177
0.354
0.354
0.650
0.59i
0.354
0.591
0.354
0.945
0.532
2.020
0.709
0.295
0.354
0.295
0.827
0.473
0.827
0.354
0.354
0.177
0.827
1.458
0.177
0.177
0.236
0.236
0.295
0.591
0.473
0.413
0.413
0.650
91.00
104.67
106.33
108.00
99.33
102.00
102.00
102.33
^,s ^ \t ^ ff^-.-. «-ov. .. ^s.. \ v
96.00
111.67
', r\;-53;;33jf
94.33
124.00
104.67
103.00
99.33
107.67
103.00
N
106.67
101.67
114.33 ,
;' f , ^ %
109.33
114.00
108.00
112.00
91.33
108.33
107.00
117.67
102.33
104.00
98.33
115.33
103.00
100.67
93.33
-
99.33
103.00
107.00
TAG SYMBOLS
Determined
to be an
outlier
-2.37
0.00
0.29
0.58
-0.93
-0.46
-0.46
-0.41
''** < j * V" « -' ,
-1.50
1.21
Ip?;:!;;
-1.79
3.35
0.00
-0.29
-0.93
0.52
-0.29
'"'
0.34
-0.52
1.67
-x v ^. a, '"-
0.81
1.61
0.58
1.27
-2.31
0.63
0.40
2.25
-0.41
-0.12
-1.10
1.85
-0.29
-0.69
-1.96
» *, " "x
-0.93
-0.29
0.40
ft = Above
U s Below
-1.56
0.81
1.10
1.39
-0.12
0.35
0.35
0.40
;"xy , "^ ' '
-0.69
2.02
^6-T*;
-0.98
4.16 ft
0.81
0.52
-0.12
1.33
0.52
"
1.15
0.29
2.48
";-" "' .:
1.62
2.42
1.39
2.08
-1.50
1.44
1.21
3.06 ft
0.40
0.69
-0.29
'
2.66
0.52
0.12
-1.15
" , «.
-0.12
0.52
1.21
control limit
control limit
-------
16/42
Zinc-65
Lab
VA
VC
VE
VG
VH
vi . ;,
VM
)yj^'-\ - -
vo
VR v
VS
VT
VU
yg.
W
X
z
EMSL-LV Performance Evaluation: Gamma
Res. 1 Res. 2
100.0 95.0
114.0 129.0
116.0 117.0
111.0 120.0
97.0 102.0
105.0 99.0
; '-;"' - :;'.y; ";--'"- '
113.0 114.0
110.0 111.0
74.0 91.0
105.0 100.0
- - -, - ""'/> >;,,
101.0 87.0
101.0 105.0
112.0 113.0
Exper.
Res. 3 Sigma
101.0 3.21
112.0 9.29
117.0 0.58
119.0 4.93
96.0 3.21
70.0 18.72
A V <"V-", '."' '- "-<->'! -
112.0 1.00
103.0 4.36
108.0 17.00
99.0 3.21
77.0 12.06
112.0 5.57
109.0 2.08
Rng anal
(R + SR)
0.354
1.008
0.059
0.532
0.354
3.033
0.118
0.473
2.921
0.354
1.795
0.650
0.236
in Water, 4- No v- 1994
Normalized deviation
Average (grand-avg) (known)
98.67
118.33
116.67
116.67
98.33
91.33
, ..<..', ' \
113.00
108.00
91.00
101.33
; * ' ",/
88.33
106.00
111.33
-1.04
2.37
2.08
2.08
-1.10
-2.31
?.. ..^ J % ' .. .. ,
1.44
0.58
-2.37
-0.58
\- ' - , ' ;--"
"- -
Data sorted by Laboratory Average
Average
9.33
53.33
54.67
76.67
81.33
85.67
88.33
89.67
91.00
91.00
91.33
91.33
92.00
92.00
92.33
92.67
92.67
93.33
93.33
93.67
94.33
95.00
95.33
95.33
Tag
X
X
X
X
u
3 No data submitted
0 = Insufficient data
Lab
JG
81
CM
BW
CJ
FJ
W
CC
VT
RM
VM
TL
RL
DZ
GQ
RH
K
UT
AW
CA
SM
OK
QZ
NJ
Average
95.67
96.00
96.00
96.33
97.00
97.33
97.33
97.67
98.00
98.33
98.33
98.67
98.67
99.00
99.00
99.33
99.33
99.33
100.00
100.00
100.00
100.00
100.33
100.33
Tag
Lab
NZ
SD
DE
LT
JI
GE
DL
OM
MY
VH
UE
VA
AN
KX
JY
UW
ST
RV
PI
M
BL
A
KL
C
Average
100.67
100.67
100.67
101.00
101.33
101.33
101.67
101.67
101.67
102.00
102.00
102.00
102.33
102.33
102.33
102.33
102.33
102.67
102.67
102.67
103.00
103.00
103.00
103.00
TAG SYMBOLS
x s Determined to be an outlier
Tag
^
1t & Above
!! = Below
control
control
Lab
UR
L
AK
BN
VU
DD
T
EW
AY
RZ
RX
AJ
TS
S
PB
AU
AF
MA
DH
BC
UX
UP
SW
ss
limit
limit
-------
EMSLrLV Performance Evaluation: Gamma in Water, 4-Nov-1994
Zinc-65
Average Tag
103.00
104.00
104.00
104.00
104.67
104.67
105.00
105.00
105.00
105.00
105.00
105.00
105.00
105.33
105.33
105.67
106.00
106.00
106.00
106.00
106.00
106.33
106.33
106.33
106.33
106.33
106.67
106.67
106.67
106.67
% responding labs
-6 -4
Data sorted
Lab
DO
U
PE
EL
SR
RO
RF
QX
PM
I
GL
FU
AI
QJ
PV
BH
X
NP
JE
EX
CP
RR
QT
Q
PW
BM
SZ
LF
HK
HJ
Average
107.00
107.00
107.00
107.33
107.67
108.00
108.00
108.00
108.00
108.00
108.33
108.33
108.33
108.33
108.33
108.33
108.67
109.00
109.00
109.33
109.33
109.67
109.67
109.67
109.67
110.00
110.00
110.33
110.67
111.00
111.00
by Laboratory Average
Tag Lab
UY
TQ
MQ
E
SV
vs
TH
RU
J
AH
TO
R
PU
O
CK
BK
CE
N
GI
TD
MP
JS
1C
EB
CX
NH
BB
AL
FZ
NK
HL
Average
111.00
111.33
111.33
111.67
112.00
112.00
112.33
112.67
113.00
113.00
114.00
114.33
114.67
115.33
116.00
116.33
116.67
116.67
117.00
117.00
117.67
117.67
118.33
119.00
121.67
124.00
128.33
130.33
149.67
838.00
5114.33
Tag
IT
1T
IT
IT
IT
tr
IT
IT
X
X
X
17/42 1
Lab
DG
Z
DT
SF
TI
AE
QP
BO
VO
D
TE
TB
EN
UN
MV
CS
VG
VE
CO
BA
TR
AZ
VC
LE
CQ
SN
DM
LR
KH
FL
EZ
Frequency distribution
-T2
-...Tillllllll.f.--..- _
T I T J2 T
H4
m
Normalized deviation of the mean from the known value
s No data submitted
0 = Insufficient data
TAG SYMBOLS IT =
x = Determined to be an outlier 11 =
Above
Below
control limit
control limit
-------
18/42 EMSL-LV Performance Evaluation: Gamma in Water, 4-Nov-1994
Zinc-65
% responding labs
Frequency distribution
-6
-4 -20 +2 +4
Normalized deviation of the mean from the grand average
-------
EMSL-LV Performance Evaluation: Gamma in Water, 4-Nov-1994
19/42
Cesium-134 Statistical Summary 198 Participants
The known value of this nuclide is 24.0 pCi/1 with an expected precision of 5.0; the control limits
are 15.3 to 32.7; the warning regions are 15.3 to 18.2 and 29.8 to 32.7
33(16.7 %) Failed to respond .,
5(2.5 %) Outliers
Statistic
. 156(78.8 %) Within all limits
Respondents
* 4(2.O %) 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
25.24
18.63
346.96
73.80
5.16
0.07
23.00
-4.17
-0.05
Grand Avg 22.95
2.27
5.15
9.89
-4.38
-0.46
23.00
-4.17
-0.44
6(3.6 %) More than 3 norm. S.D.
3(1.8 %) Between 2 and 3 norm. S.D.
126(76.4 %) Within 1 norm. S.D.
of known value
30(18.2 %) Between 1 and 2 norm. S.D.
-------
20 / 42 EMSL-LV Performance Evaluation:
Cesium-134
Lab
A
AE
AF
AH
AI
AJ
AK
AL
AN
ATf
AU
AW
AY
AZ
BA
BB
BC
"'liG"
BH
BK
BL
BM
BN
BO
BW
C
CA
CC
CE
CG
CJ
CK
CM
CO
CP
CQ
CS
cx
D
DD
DE
DG
DH
%V*-'"
,"JJwr
Res. 1
23.0
25.0
25.0
26.0
23.0
23.0
24.0
27.0
21.0
\ * -. ''
21.0
19.0
27.0
31.0
24.0
23.0
_ 22.0 _
', ' ;' > '*-' , "'"^
22.0
24.0
22.0
23.0
22.0
21.0
24.0
25.0
22.0
16.0
23.0
-o"
22.0
24.0
16.0
24.0
24.0
26.0
25.0
25.0
25.0
24.0
21.0
22.0
23.0
7 -. / *\*^" '~*T*
"" ° ' ^ ,''*"/
Res. 2
22.0
23.0
24.0
25.0
23.0
23.0
24.0
28.0
20.0
* _ V
* ". "" ; '"* "" "" ""
22.0
17.0
25.0
27.0
23.0
23.0
22.0
^Y'Yv'Y'i'v.;
,2HL~,
23.0
23.0
22.0
22.0
24.0
21.0
24.0
20.0
11.0
24.0
/- '; - ' -- ' '
17.0
23.0
14.0
15.0
23.0
28.0
24.0
21.0
24.0
23.0
21.0
22.0
22.0
^i _"; ,! >V>;- ,
' " '"" IYY "
Res. 3
21.0
24.0
21.0
22.0
23.0
23.0
24.0
33.0
21.0
\ ., , * '
21.0
20.0
25.0
36.0
24.0
22.0
22.0
1 A
23.0
24.0
20.0
20.0
22.0
23.0
25.0
24.0
18.0
19.0
22.0
< ' ;
20.0
25.0
17.0
21.0
23.0
29.0
25.0
29.0
24.0
22.0
22.0
22.0
23.0
'&" ,- * 5
'/ *
= No data submitted
0 =
Insufficient
data
x =
Gamma in Water, 4-Nov-1994
Exper. Rng anal Normalized deviation
Sigma (R
1.00
1.00
2.08
2.08
0.00
0.00
0.00
3.21
0.58
0.58
1.53
1.15
4.51
0.58
0.58
0.00
" Y " ,
1.00
0.58
1.53
1.53
0.00
1.53
2.08
0.58
2.00
4.04
1.00
.'
2.52
1.00
1.53
4.58
0.58
1.53
0.58
4.00
0.58
1.00
0.58
0.00
0.58
\ >
+ SR) Average (grand-avg) (known) Tag
0.236
0.236
0.473
0.473
0.000
0.000
0.000
0.709
0.118
0.118
0.354
0.236
1.120
0.118
0.118
0.000
0.236
0.118
0.354
0.354
0.000
0.354
0.473
0.118
0.473
0.945
0.236
0.591
0.236
0.354
1.120
0.118
0.354
0.118
0.945
0.118
0.236
0.118
0.000
0.118
22.00
24.00
23.33
24.33
23.00
23.00
24.00
29.33
20.67
21.33
18.67
25.67
31.33
23.67
22.67
22.00
'- Y
22.00
23.67
21.67
21.67
22.00
22.67
23.33
24.33
20.00
15.33
23.00
19.67
24.00
15.67
20.00
23.33
27.67
24.67
25.00
24.33
23.00
21.33
22.00
22.67
i-
TAG SYMBOLS
Determined to
be an
outlier
-0.33
0.36
0.13
0.48
0.02
0.02
0.36
2.21
-0.79
- < 'i ',.''' .-
-0.56
-1.48
0.94
2.90
0.25
-0.10
-0.33
' ^ r ' ' *
^Z0.33_^_
0.25
-0.44
-0.44
-0.33
-0.10
0.13
0.48
-1.02
-2.64
0.02
' ','--. ":-
-1.14
0.36
-2.52
-1.02
0.13
1.63
0.59
0.71
0.48
0.02
-0.56
-0.33
-0.10
-,"',,', >,. <; "
1 ' , ' -', ''
ft s Above
. 11 s Below
-0.69
0.00
-0.23
0.12
-0.35
-0.35
0.00
1.85
-1.15
- *? -,';> o '. '
-0.92
-1.85
0.58
2.54
-0.12
-0.46
d!-$!v_ ....
" ^''^f''''-. ^ " f £'''' .*
j-0.69 ^^
-0.12
-0.81
-0.81
-0.69
-0.46
-0.23
0.12
-1.39
-3.00
-0.35
;,W!'"' >*v '
-1.50
0.00
-2.89
-1.39
-0.23
1.27
0.23
0.35
0.12
-0.35
-0.92
-0.69
-0.46
./.! -",;/',' , ' ',' '
';' ' '-' - ' : , '..''*'. *
control limit
control limit
-------
EMSL-LV Performance Evaluation: Gamma in Water,
4-Nov-1994
21/42 ]
Cesium- 134
Lab
DL
DM
DO
DT
DZ
E
'EAr
EB
EL
EN
EW
EX
EZ
FJ
"~FB§
FU
FZ
GE
GI
GL
GQ
HE
HJ
HK
HL
"'HP!
HX
I
1C
J
JE
JG
JI
JR
JS
JY
K
KH
';kL;
KX
L
LE
LF
:!»'
Res. 1
22.0
27.0
16.0
25.0
30.0
24.0
V:-r :?"&;;:;":;;
22.0
27.0
29.0
22.0
19.0
20.0
23.0
/:KX:^"^;"">
22.0
25.0
21.0
22.0
20.0
25.0
25.0
24.0
22.0
r!r:'.l7s7t<>:^
-r^Tt-tv:
24.0
28.0
22.0
27.0
22.0
19.0
" ' '> "xv"r-s
21.0
22.0
21.0
23.0
s 70.0
26.0
23.0
25.0
20.0
'£;- "';3$d*v
Res. 2
26.0
28.0
25.0
30.0
26.0
24.0
Vx>f> ^\
22.0
21.0
24.0
24.0
25.0
24.0
22.0
r^jT'Tvf
^^ " \ '
^w^'^\ 'JQ'.ft *
22.0
24.0
26.0
23.0
20.0
25.0
<
20.0
24.0
22.0
}~iw.8*
Tj^Vt,,
26.0
23.0
20.0
24.0
21.0
20.0
', V "', '.S~ '- \
21.0
26.0
24.0
33.0
70.0
25.0
21.0
27.0
22.0
^;36LO^
Res. 3
21.0
27.0
25.0
25.0
25.0
24.0
- !-f:-
22.0
22.0
26.0
27.0
22.0
27.0
23.0
T!^ ,, ,,r _
;i:200.0
23.0
23.0
22.0
22.0
21.0
24.0
24.0
24.0
22.0
1 188;6
^,\*>' *- '"" >'
25.0
27.0
21.0
22.0
22.0
22.0
20.0
22.0
22.0
38.0
76:0
24.0
23.0
30.0
22.0
jjt.T ,410 ,
s No data submitted
0 a
Insufficient
data
Exper. Rng anal
Sigma (R + SR) Average
2.65
0.58
5.20
2.89
2.65
0.00
0.00
3.21
2.52
2.52
3.00
3.51
0.58
J *
0.58
1.00
2.65
0.58
0.58
0.58
2.65
0.00
0.00
1100
1.00
2.65
1.00
2.52
0.58
1.53
0.58
2.31
1.53
7.64
r';:>--'&66--
1.00
1.15
2.52
1.15
7,64
0.591
0.118
1.120
.0.591
0.591
0.000
\
0.000
0.709
0.591
0.591
0.709
0.827
0.118
. > " "*
3,821
0.118
0.236
0.591
0.118
0.118
0.118
0.591
0.000
0.000
4046
0.236
0.591
0.236
0.591
0.118
0.354
0.118
0.473
0.354
2.470
0;bdd
0.236
0.236
0.591
0.236
2.470
23.00
27.33
22.00
26.67
27.00
24.00
v - \ >< > :: ~.
22.00
23.33
26.33
24.33
22.00
23.67
22.67
. -, ", ^ ~" v Jxr,,y%
22.33
24.00
23.00
22.33
20.33
24.67
-
23.00
24.00
22.00
iasipo;
- - /' :v }'!SV\
25.00
26.00
21.00
24.33
21.67
20.33
20.67
23.33
22.33
31.33
70.00
25.00
22.33
27.33
21.33
34;3&
TAG SYMBOLS
x s Determined to be an
outlier
Normalized deviation
(grand-avg) (known) Tag
0.02
1.52
-0.33
1.29
1.40
0.36
U'^V-YVV :s"-:
-0.33
0.13
1.17
0.48
-0.33
0.25
-0.10
^"^l'^^^-
^\^:'57;i7:-5^="
-0.21
0.36
0.02
-0.21
-0.91
0.59
0.02
0.36
-0.33
ITv^lT^T"
^?t?K^:'V '
0.71
1.06
-0.68
0.48
-0.44
-0.91
-0.79
0.13
-0.21
2.90
//^ieVso"
0.71
-0.21
1.52
-0.56
Mv^ -^94.;\r-:
It s Above
U 3 Below
-0.35
1.15
-0.69
0.92
1.04
0.00
:VT\?-'': .'.
-0.69
-0.23
0.81
0.12
-0.69
-0.12
-0.46
T^I^V '.<":
66.81 ' x
-0.58
0.00
-0.35
-0.58
-1.27
0.23
-0.35
0.00
-0.69
56,M':" 'f'x"'1
v^ vr -'-'
0.35
0.69
-1.04
0.12
-0.81
-1.27
:''\r-v.--';'. ',.-;-
-1.15
-0.23
-0.58
2.54
il&ar^*"'"
0.35
-0.58
1.15
-0.92
3J58 x
control limit
control limit
-------
22/42 EMSL-LV Performance Evaluation: Gamma
in Water,
4-Nov-1994
Cesium-134
Lab
LT
M
MA
'-.-'.
ML
MP
MQ
MT
MV
MY
N
KB
NH
m
NJ
NK
NP
NZ
O
OA
OB
OK
OL
OM
PB
PE
PI
PM
PQ
PU
PV
PW
Q
QJ
QP
QT
QU
QW
QX
QZ
R
RC
RF
RH
RK
RL
Res. 1
23.0
22.0
21.0
, - '^V \-'
, ~'~- , !' ,'"") '
23.0
24.0
> "T4V
25.0
21.0
22.0
- , . -
22.0
19.0
24.0
21.0
20.0
24.0
< ' -' -_ :
20.0
'-- - -' <.-,'
22.0
28.0
22.0
21.0
22.0
24.0
20.0
23.0
25.0
21.0
25.0
23.0
24.0
20.0
23.0
-
26.0
25.0
',,/-,
19.0
Res. 2
23.0
23.0
20.0
'"5 /vr - :
;; t~"* :'-- ,J
24.0
27.0
^v,\ .rrK.*'
25.0
22.0
24.0
" " ' ' ~"'?
21.0
<^ - - -1-." ,
' \
24.0
25.0
23.0
29.0
24.0
- *: :--V
"< ' ;" ', ',
23.0
''- '--;'
21.0
27.0
22.0
21.0
26.0
22.0
24.0
23.0
24.0
20.0
23.0
24.0
24.0
18.0
22.0
25.0
21.0
V^.'-'s '4-,
19.0
Res. 3
24.0
24.0
22.0
%v V -.- ^% -. ^
^v* ** +\. '"^"- V\"'
21.0
21.0
"V^-vy'?.",
25.0
22.0
24.0
'''-', f'^-l .' "-
21.0
""/-
24.0
21.0
20.0
28.0
24.0
, \
-.^ ^ ^
22.0
21.0
28.0
22.0
22.0
21.0
20.0
27.0
22.0
26.0
22.0
21.0
23.0
.» '
24.0
20.0
24.0
22.0
26.0
'>* '/*' -
19.0
s No data submitted
0 =
Insufficient
data
x =
Exper.
Sigma
0.58
1.00
1.00
',''-'-,*
1.53
3.00
0.00
0.58
1.15
0.58
- '
2.89
2.08
1.53
4.93
0.00
1.53
0.58
0.58
0.00
0.58
2.65
2.00
3.51
0.58
1.00
1.00
2.00
0.58
0.00
1.15
1.00
2.08
2.65
-' -
0.00
Rnganal
(R + SR)
0.118
0.236
0.236
0.354
0.709
0.000
0.118
0.236
0.118
4
0.591
0.473
0.354
1.120
0.000
0.354
0.118
0.118
0.000
0.118
0.591
0.473
0.827
0.118
0.236
0.236
0.473
0.118
0.000
0.236
0.236
0.473
0.591
0.000
Normalized deviation
Average
23.33
23.00
21.00
' ..
22.67
24.00
^ ".- *
25.00
21.67
23.33
21.33
*
22.33
23.33
21.33
25.67
24.00
21.67
21.33
27.67
22.00
21.33
23.00
22.00
23.67
22.67
25.00
21.00
23.00
23.33
24.00
19.33
23.00
24.33
24.00
19.00
TAG SYMBOLS
Determined
to be an outlier
(grand-avg) (known) Tag
0.13
0.02
-0.68
>, >\v :-.'"/:' \- , ; \lv
- ^ -. '''' % Jv '> "*'/''
-0.10
0.36
/';o ' ' \" "\ si4--
0.71
-0.44
0.13
; ~\ , '""' " "-
-0.56
.' ,- ">
-0.21
0.13
-0.56
0.94
0.36
-0.44
-0.56
1.63
-0.33
-0.56
0.02
v- ''' '"":' : f
-0.33
0.25
-0.10
0.71
-0.68
0.02
0.13
0.36
-1.25
0.02
0.48
0.36
v w ^ . '
-1.37
ft & Above
U = Below
-0.23
-0.35
-1.04
_- ,j.«<,-,,-<<,. ~ <.» -, ^;,
f'f "'"-'" "* "*-''*
-0.46
rOM
:^~^T7V"-'
0.35
-0.81
-0.23
_ "/'' "- '" i *
-0.92
'c'r ' - , » "
-0.58
-0.23
-0.92
0.58
0.00
;'"''-' '' >,:'
- ''- » " » -'
-0.81
--" -" ^./'A
-0.92
1.27
-0.69
-0.92
-0.35
? /V;^- ,;#v :
-0.69
-0.12
-0.46
0.35
-1.04
-0.35
-0.23
'
.
0.00
-1.62
-0.35
' ' /
0.12
0.00
'X.vT'J A...
-1.73
control limit
control limit
-------
EMSL-LV Performance Evaluation: Gamma in Water, 4-Nov-1994
Cesium-134
Lab Res. 1
RM
RO
RR
RU
RV
RX
RZ
S
SD
SF
sf
SK
SM
SN
SR
ss
ST
sv
sw
sz
T
TB
: TO
TD
TE
TH
TI
TL
TO
TQ
TR
TS
U
UE
UM
UN
UP
UR
UT
uv
uw
ux
UY
=
0 s
23.0
21.0
24.0
21.0
27.0
25.0
23.0
23.0
ISA
JL8.0
20.0
24.0
25.0
24.0
21.0
26.0
26.0
1 ^ ^ "V' .."Wi-. ^;"
23.0
21.0
26.0
"." '."'',";
26.0
21.0
22.0
22.0
24.0
22.0
24.0
24.0
19.0
25.0
25.0
25.0
23.0
29.0
21.0
22.0
18.0
20.0
Res. 2
25.0
22.0
22.0
21.0
22.0
26.0
24.0
22.0
21.0
20.0
23.0
27.0
24.0
24.0
22.0
26.0
20.0
22~0
24.0
27.0
'-<\ \ -, ^ -\-
25.0
21.0
22.0
21.0
19.0
23.0
22.0
21.0
21.0
24.0
24.0
25.0
23.0
23.0
24.0
23.0
19.0
25.0
Res. 3
25.0
21.0
23.0
22.0
26.0
25.0
23.0
22.0
22.0
21.0
l₯.0
^ \ % , '-
20.0
23.0
21.0
23.0
23.0
20.0
21.0
22.0
22.0
27.0
, ,>i- . ;
24.0
22.0
22.0
22.0
28.0
23.0
20.0
15.0
20.0
25.0
24.0
25.0
24.0
28.0
19.0
"-
22.0
20.0
23.0
No data submitted
Insufficient
data
X 3
Exper.
Sigma
1.15
0.58
1.00
0.58
2.65
0.58
0.58
0.58
2.08
1.53
1.00
1.73
2.08
2.08
0.58
1.00
3.46
3.21
0.58
1.53
0.58
1.00
0.58
0.00
0.58
4.51
0.58
2.00
4.58
1.00
0.58
0.58
<;' '/V:: A."! ':.'.
0.00
0.58
3.21
2.52
0.58
1.00
2.52
1
23/42
Rng anal Normalized deviation
(R + SR) Average (grand-avg) (known) Tag
0.236
0.118
0.236
0.118
0.591
0.118
0.118
0.118
- - / '">
0.473
0.354
0.236
0.354
0.473
0.473
0.118
0.236
0.709
0.709
0.118
0.354
0.118
0.236
0.118
0.000
0.118
1.120
0.118
0.473
1.120
0.236
0.118
0.118
0.000
0.118
0.709
0.591
0.118
0.236
0.591
24.33
21.33
23.00
21.33
25.00
25.33
23.33
22.33
20.33
19.67
12.00;
21.00
24.67
23.33
23.67
22.00
24.00
22.33
22.33
22.33
26.67
\ ;
25.00
21.33
22.00
21.67
23.67
22.67
22.00
20.00
20.00
24.67
24.33
25.00
23.33
26.67
21.33
<
22.33
19.00
22.67
TAG SYMBOLS
Determined
to be an
outlier
0.48
-0.56
0.02
-0.56
0.71
0.83
0.13
-0.21
-0.91
-1.14
^*w
-0.68
0.59
0.13
0.25
-0.33
0.36
-0.21
-0.21
-0.21
1.29
. ' ,.. -,
0.71
-0.56
-0.33
-0.44
0.25
-0.10
-0.33
-1.02
-1.02
0.59
0.48
'
0.71
0.13
1.29
-0.56
-
-0.21
-1.37
-0.10
ft s Above
II s Below
0.12
-0.92
-0.35
-0.92
0.35
0.46
-0.23
-0.58
-1.27
-1.50
-4; 16 X
-1.04
0.23
-0.23
-0.12
-0.69
0.00
-0.58
-0.58
-0.58
0.92
.-,, .... ^ -
0.35
-0.92
-0.69
-0.81
-0.12
-0.46
-0.69
-1.39
-1.39
0.23
0.12
0.35
-0.23
0.92
-0.92
«
-0.58
-1.73
-0.46
control limit
control limit
-------
24/42 EMSL-LV Performance Evaluation: Gamma
Cesium-134
Lab Res. 1 Res. 2
VA 21.0 21.0
VC 29.0 27.0
VE 21.0 23.0
VG 22.0 22.0
VH 23.0 25.0
< "Yl?^"^'-'^ ^'t^^V^'M^
VM 20.0 19.0
^y|^-y /,, ^^^"V"^;';^
VO 24.0 22.0
'*^W\ ~ ' «- ''>** ~x: St'l-*'1' /""*'""> '<
^*H'i ' '""=' /' ' >r "?V- ';xtf'-^
s VRo ' - -,"" -, ' *'|T :^~*'< \:^
VS 24.0 24.0
VT 16.0 20.0
VU 21.0 21.0
W 21.0 20.0
X 22.0 22.0
Z 24.0 23.0
Average Tag
12.00 x
15.33
15.67
18.67
19.00
19.00
19.33
19.33
19.67
19.67
20.00
20.00
20.00
20.00
20.00
20.33
20.33
20.33
20.67
20.67
21.00
21.00
21.00
21.00
s No data submitted
0 = Insufficient data
Res. 3
21.0
22.0
23.0
23.0
25.0
^^^%^~
19.0
"" "?'* l₯v"?''V -1*w'''1' *'*"
21.0
* % ^& '** s<*'' f'*-
V" ''," '\;
./->?': '--7
23.0
24.0
21.0
22.0
23.0
Exper.
Sigma
Cv "--I
^ ^ - :. .'
' *-\' "
'*"''&' ,'+ '
t ^ V' \ ^
22.0
Data
Lab
SI
cc
CM
AW
UX
RL
VM
QZ
SF
CJ
VT
TS
TR
CO
CA
SD
JI
GL
JS
AN
W
VU
VA
SM
0.00
3.61
1.15
0.58
1.15
""*(. -
0.58
1.53
0.58
4.00
0.00
1.00
0.58
1.00
Rnganal
(R + SR)
0.000
0.827
0.236
0.118
0.236
' , , -
0.118
. '" ' V
0.354
"* ' *
-
0.118
0.945
0.000
0.236
0.118
0.236
in Water, 4-Nov-1994
Average
21.00
26.00
22.33
22.33
24.33
" " '' ^ ^ ' ;" <
19.33
22.33
' *'. V ' -/
23.67
20.00
21.00
21.00
22.33
23.00
Normalized deviation
(grand-avg) (known)
,,,,
-' ,,;,.;; ,, ,..
1 ; , ,-
-0.68
1.06
-0.21
-0.21
0.48
"'-' ''*$>' \
-1.25
7','"\r -ir'j"" /'
-0.21
, -«V, '$-'-'' «'tfx.f
\\ .'\;''vr v '':'
k s\ .' * ^Xs S^J
0.25
-1.02
-0.68
-0.68
-0.21
0.02
-1.04
0.69
-0.58
-0.58
0.12
i-j ^>;;' sj;../
-1.62 ^
v.ffj^t 4ffb v.f V
-0.58
, j- si?"-'>^' -
$,v ^ ;
\ ^ > ^ i
-0.12
-1.39
-1.04
-1.04
-0.58
-0.35
Tag
,«''*- ;:'-'
-y,"»^
,"' "- ,
-',*' '
:; -
sorted by Laboratory Average
Average
21.00
21.00
21.00
21.33
21.33
21.33
21.33
21.33
21.33
21.33
21.33
21.33
21.33
21.33
21.67
21.67
21.67
21.67
21.67
21.67
22.00
22.00
22.00
22.00
Tag
Lab
QJ
MA
J
UT
TE
RU
RO
PI
OM
NP
NH
LF
DE
AU
TI
OK
MY
JG
BM
BL
TQ
TH
ST
PU
Average
22.00
22.00
22.00
22.00
22.00
22.00
22.00
22.00
22.00
22.00
22.33
22.33
22.33
22.33
22.33
22.33
22.33
22.33
22.33
22.33
22.33
22.33
22.33
22.33
TAG SYMBOLS
X
= Determined to be an outlier
Tag
ft = Above
U = Below
control
control
Lab
PE
HL
EX
EB
DO
DG
BN
BH
BC
A
X
VO
VG
VE
UW
T
SZ
SW
s
NJ
L
K
GI
FU
limit
limit
-------
EMSL-LV Performance Evaluation: Gamma
Cesium-134
Average Tag
22.67
22.67
22.67
22.67
22.67
22.67
22.67
22.67
23.00
23.00
23.00
23.00
23.00
23.00
23.00
23.00
23.00
23.00
23.00
23.00
23.00
23.33
23.33
23.33
23.33
23.33
23.33
23.33
23.33
23.33
23.33
% responding labs
De
Lab
UY
TO
PW
MP
FJ
DH
BO
BB
Z
RR
R
QP
PM
M
HJ
GE
DL
DD
CE
AJ
AI
UP
SR
RZ
QT
NK
N
LT
JY
EL
CP
in Water, 4-Nov-1994
ita sorted by Laboratory Averag
Average Tag Lab
23.33
23.33
23.67
23.67
23.67
23.67
23.67
23.67
23.67
24.00
24.00
24.00
24.00
24.00
24.00
24.00
24.00
24.00
24.00
24.00
24.33
24.33
24.33
24.33
24.33
24.33
24.33
24.33
24.33
24.67
24.67
Frequency distribution
BW
AF
VS
TL
SS
PV
EZ
BK
BA
sv
RH
QX
O
MQ
HK
FZ
E
CK
AK
AE
VH
UE
RM
RF
JE
EW
D
C
AH
U
SN
re
Average Tag
24.67
24.67
25.00
25.00
25.00
25.00
25.00
25.00
25.00
25.00
25.33
25.67
25.67
26.00
26.00
26.33
26.67
26.67
26.67
27.00
27.33
27.33
27.67
27.67
29.33
31.33
31.33
34.33 x
70.00 x
188.00 x
188.00 x
25/42
Lab
GQ
CS
UN
TD
RV
Q
MV
KX
I
CX
RX
NZ
AY
VC
1C
EN
UR
TB
DT
DZ
LE
DM
PB
CQ
AL
KH
AZ
LR
KL
HP
FL
in. - - -_____--
iu-
-6 -4
s No data submitted
0 = Insufficient data
I.IBfl- ______
lltll.
Him. «
m _
-2 0 +2 +4
Normalized deviation of the mean from the known value
TAG SYMBOLS
ft s Above
x = Determined to be an outlier 11 = Below
a
+6
control limit
control limit
-------
26/42 EMSL-LV Performance Evaluation: Gamma in Water, 4-Nov-1994
Cesium-134
% responding labs Frequency distribution
10-
4J1IHU
-6 -4 -2 0 +2 +4 +6
Normalized deviation of the mean from the grand average
-------
EMSL-LV Performance Evaluation: Gamma in Water, 4-Nov-1994
27/42
Cesium-137
Statistical Summary
198 Participants
The known value of this nuclide is 49.0 pCi/1 with an expected precision of 5.0; the control limits
are 40.3 to 57.7; the warning regions are 40.3 to 43.2 and 54.8 to 57.7
33(16.7 %) Failed to respond
1O(5.1 %) Outliers'
11 (5.6 %) Out of control
but not an outlier
Statistic
. 13O(65.7 %) Within all limits
Respondents
14(7.1 %) 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
56.08
43.52
1893.84
77.60
14.45
0.16
51.33
4.76
0.05
Grand Avg 51.92
3.61
13.06
6.96
5.96
0.81
51.67
5.44
0.74
21 (12.7 %) More than 3 norm. S.D.
14(8.5 %) Between 2 and 3 norm. S.D.
4(44.8 %) Within 1 norm. S.D.
of known value
56(33.9 %) Between 1 and 2 norm. S.D.
-------
28/42 EMSL-LV Performance Evaluation: Gamma in Water, 4-Nov-1994
Cesium-137
Lab Res. 1
A
AE
AF
AH
AI
AJ
AK
AL
AN
AU
AW
AY
AZ
BA
BB
BC
BG
BH
Bir'
BK
BL
BM
BN
BO
BW
C
CA
CC
CE
CG
CJ
CK
CM
CO
CP
CQ
CS
CX
D
DD
DE
DG
DH
DJ
=
0 a
51.0
59.0
49.0
53.0
52.0
51.0
57.0
52.0
47.0
50.0
56.0
52.0
47.0
49.0
53.0
51.0
66:0
52.0
53.0
52.0
48.0
54.0
55.0
52.0
47.0
48.0
42.0
53.0
57.0
59.0
22.0
56.0
50.0
58.0
58.0
57.0
57.0
52.0
50.0
54.0
54.0
Res. 2
51.0
54.0
55.0
51.0
55.0
51.0
56.0
62.0
46.0
51.0
58.0
50.0
46.0
50.0
52.0
50.0
52.0
f -. s __ % % -. ,; ^ .-
?" ff V , ,
53.0
52.0
54.0
53.0
52.0
58.0
48.0
46.0
45.0
55.0
53.0
62.0
59.0
51.0
59.0
60.0
63.0
55.0
53.0
50.0
54.0
55.0
Res. 3
52.0
56.0
54.0
50.0
54.0
51.0
58.0
48.0
48.0
50.0
52.0
49.0
51.0
50.0
51.0
51.0
51.0
53.0
50.0
53.0
57.0
53.0
53.0
49.0
46.0
45.0
50.0
53.0
61.0
21.0
50.0
51.0
61.0
59.0
58.0
55.0
52.0
50.0
54.0
54.0
No data submitted
Insufficient
data
x =
Exper.
Sigma
0.58
2.52
3.21
1.53
1.53
0.00
1.00
7.21
1.00
0.58
3.06
1.53
2.65
0.58
1.00
0.58
0.58
0.00
1.15
3.21
2.08
1.53
3.21
1.00
1.15
1.73
2.52
2.31
1.53
4.36
4.58
0.58
1.53
1.00
3.21
1.15
0.58
0.00
0.00
0.58
Rng anal Normalized deviation
(R + SR) Average (grand-avg) (known) Tag
0.118
0.591
0.709
0.354
0.354
0.000
0.236
2.245
0.236
0.118
0.709
0.354
0.591
0.118
0.236
0.118
0.118
0.000
0.236
0.709
0.473
0.354
0.709
0.236
0.236
0.354
0.591
0.473
0.354
0.945
1.120
0.118
0.354
0.236
0.709
0.236
0.118
0.000
0.000
0.118
51.33
56.33
52.67
51.33
53.67
51.00
57.00
54.00
47.00
50.33
55.33
50.33
48.00
49.67
52.00
50.67
51.67
- - , \
53.00
51.33
51.67
54.67
53.33
54.33
48.00
46.67
44.00
52.67
' .
54.33
60.67
24.00
55.00
50.67
59.33
59.00
59.33
55.67
52.33
50.00
54.00
54.33
TAG SYMBOLS
Determined
to be an
outlier
-0.20
1.53
0.26
-0.20
0.60
-0.32
1.76
0.72
-1.70
-0.55
1.18
-0.55
-1.36
-0.78
0.03
-0.43
-0.09
0.37
-0.20
-0.09
0.95
0.49
0.84
-1.36
-1.82
-2.74
0.26
0.84
3.03
1.07
-0.43
2.57
2.45
2.57
1.30
0.14
-0.67
0.72
0.84
It s Above
Ji s Below
0.81
2.54
1.27
0.81
1.62
0.69
2.77
1.73
-0.69
0.46
2.19
0.46
-0.35
0.23
1.04
0.58
"/.: "v 0;;--
01.92
1.39
0.81
0.92
1.96
1.50
1.85
-0.35
-0.81
-1.73
1.27
1.85
4.04 It
8.66 x
2.08
0.58
3.58 It
3.46 It
3.58 It
2.31
1.15
0.35
1.73
1.85
- - ':-., v. ' « -
control limit
control limit
-------
EMSL-LV Performance Evaluation: Gamma in Water, 4-Nov-1994 29/42
Cesium-137
Lab Res. 1
DL
DM
DO
DT
DZ
E
EA
EB
EL
EN
EW
EX
EZ
FJ
EL
FU
FZ
GE
GI
GL
GQ
HI
HJ
HK
HL
HP
HX
I
1C
J
JE
JG
JI
JR
JS
JY
K
KH
KL
KX
L
LE;
LF
LR
50.0
61.0
58.0
*
47.0
53.0
57.0
50.0
57.0
49.0
50.0
48.0
57.0
416.0
52.0
58.0
50.0
51.0
48.0
50.0
O"
49.0
54.0
54.0
459.0
53.0
55.0
53.0
51.0
48.0
50.0
50.0
45.0
49.0
71.0
21.0
52.0
47.0
,' 1X^64,0;.^
52.0
52.0
Res. 2
53.0
60.0
57.0
S " v
45.0
58.0
r ~
57.0
49.0
60.0
47.0
49.0
61.0
50.0
\ v
422.0
49.0
46.0
53.0
51.0
47.0
50.0
s
49.0
53.0
54.0
485.0-
56.0
56.0
52.0
54.0
49.0
48.0
53.0
53.0
50.0
, 73.0
22.0
52.0
^.47;?. ..
^vM*0^"i
50.0
52.0
Res. 3
50.0
60.0
48.0
46.0
52.0
-
57.0
52.0
60.0
49.0
46.0
41.0
52.0
405.0
52.0
54.0
50.0
52.0
47.0
50.0
51.0
54.0
54.0
472.0
52.0
60.0
52.0
53.0
48.0
49.0
53.0
67.0
45.0
70.0
23.0
50.0
49.0
'^'6fc^4i76l-
-0.20
0.14
0.69
3.93 ft
1.85
-1.04
1.85
s
2.77
0.46
3.46 IT
-0.23
-0.23
0.35
1.39
126.56 x
0.69
1.27
0.69
0.81
-0.58
0.35
'*
0.23
1.62
1.73
146 W° x"--
*
1.62
2.77
1.15
1.27
-0.23
0.00
........,,...
1.04
2.08
-0.35
7.74 x
*9.35 x
0.81
-0.46
?'" "V6»77,;: x
0.81
1.15
IT s Above control limit
11 s Below control limit
-------
30/42 EMSL-LV Performance Evaluation: Gamma in Water,
Cesium-137
Lab Res. 1
LT
M
MA
.Mr.
MP
MQ
MV
MY
,N .
NH
NJ
NK
NP
NZ
0
OA
OB
OK
OL
OM
PB
PE
PI
PM
PQ
PU
PV
PW
Q
QJ
QP
QT
Qtf
QW
QX
QZ
R
IRC
RF
RH
RL
52.0
50.0
49.0
\Y '- A/--^-,
53.0
57.0
63.0
57.0
54.0
55.0
* ,"" > s\^ -.-....'T V
54.0
47.0
49.0
45.0
55.0
45.0
- v- -HO' .
'
45.0
50.0
54.0
52.0
52.0
61.0
48.0
57.0
50.0
52.0
55.0
53.0
56.0
47.0
54.0
47.0
49.0
61.0
Res. 2
52.0
49.0
55.0
-x-V, *v«- -','' >'
51.0
53.0
62.0
55.0
_ 51.0 %
54.0
58.0
51.0
48.0
50.0
54.0
45.0
^"35:0 '-
* ;f %
45.0
49.0
56.0
45.0
53.0
58.0
50.0
55.0
55.0
54.0
48.0
53.0
56.0
45.0
53.0
47.0
48.0
61.0
Res. 3
52.0
51.0
52.0
C-,'V :. ."
58.0
50.0
V*\f fv.\**'*} > /
58.0
57.0
51.0
"-.:* ^ C' ^ ? f
54.0
52.0
49.0
52.0
48.0
54.0
45.0
37,0
48.0
50.0
54.0
50.0
50.0
55.0
52.0
51.0
48.0
57.0
55.0
53.0
60.0
47.0
54.0
49.0
47.0
61.0
s No data submitted
0 9
Insufficient
data
x =
Exper. Rng anal
Sigma (R + SR) Average
0.00
1.00
3.00
<\> '",.'-
3.61
3.51
2.65
1.15
1.73
0.58
3.06
2.00
2.08
,2.52
0.58
\ -", , -
0.00
1.53
'
1.73
0.58
1.15
3.61
1.53
3.00
2.00
3.06
3.61
2.52
4.04
0.00
2.31
1.15
0.58
1.15
1.00
0.00
0.000
0.236
0.709
0.827
0.827
0.591
0.236
0.354
0.118
0.709
-0.473
0.473
0.591
0.118
0.000
0.354
0.354
0.118
0.236
0.827
0.354
0.709
0.473
0.709
0.827
0.591
0.827
0.000
0.473
0.236
0.118
0.236
0.236
0.000
52.00
50.00
52.00
54.00
53.33
J J , "" './ ">
61.00
56.33
52.00
54.33
54.67
49.00
49.67
47.67
54.33
45.00
35.33
' *
46.00
49.67
54.67
49.00
51.67
58.00
50.00
54.33
51.00
54.33
52.67
53.00
57.33
46.33
53.67
47.67
48.00
61.00
TAG SYMBOLS
Determined
to be an
outlier
4-Nov-1994
Normalized deviation
(grand-avg) (known) Tag
0.03
-0.67
0.03
-'\i;- , .' -,,-H;"'-v~
0.72
0.49
3.15
1.53
0.03
0.84
0.95
-1.01
-0.78
-1.47
0.84
', v») .",' '
-2.40
' -, ' "^ilS :-
~ \ . ", -\ 1
-2.05
-0.78
0.95
-1.01
-0.09
2.11
-0.67
0.84
-0.32
0.84
0.26
0.37
1.88
-1.94
0.60
'
-1.47
-1.36
3.15
11 = Above
.Ji = Below
1.04
0.35
1.04
^'!;"^7v-<7"«>^
1.73
_1.50__
4.16 ft
2.54
1.04
1.85
1.96
0.00
0.23
-0.46
1.85
":^'-\,'\*l-*
-1.39
,.-,'- > ; * '
-1.04
0.23
1.96
0.00
0.92
t, * '
3.12 ft
0.35
1.85
0.69
1.85
1.27
1.39
- *
2.89
-0.92
1.62
x. - -, . '
-0.46
-0.35
4.16 ft
control limit
control limit
-------
EMSL-LV Performance
Evaluation: Gamma
in Water,
4-Nov-1994 31 / 42
Cesium-137
Lab
RM
RO
RR
RU
RV
RX
RZ
s ( _
SD
SF
81
BK
SM
SN
SR
ss
ST
sv
sw
sx
sz
T
TB
TC
TD
TE
TH
TI
TL
TO
TQ
TR
TS
U
UE
UM
UN
UP
UR
UT
UV
UW
UX
UY
=
0 =
Res. 1
45.0
55.0
51.0
51.0
53.0
47.0
49.0
51.0
44.0
51.0
27.0
1 ' "!
43.0
51.0
48.0
57.0
50.0
40.0
54.0
55.0
51.0
64.0
56.0
55.0
50.0
53.0
52.0
51.0
54.0
60.0
48.0
50.0
50.0
55.0
50.0
48.0
37;6
52.0
54.0
48.0
Res. 2
46.0
53.0
48.0
51.0
49.0
45.0
48.0
52.0
58.0
47.0
i * s ^ " " ..
51.0
57.0
47.0
53.0
51.0
46.0
48.0
\
54.0
50.0
63.0
v
51.0
55.0
54.0
52.0
49.0
55.0
52.0
57.0
49.0
52.0
52.0
55.0
51.0
52.0
v x 38.0,
^
53.0
49.0
52.0
Res. 3
46.0
53.0
48.0
50.0
44.0
48.0
50.0
51.0
51.0
49.0
;23,0
49.0
59.0
50.0
53.0
52.0
45.0
47.0
52.0
50.0
62.0
54.0
56.0
52.0
53.0
44.0
54.0
55.0
51.0
51.0
50.0
51.0
56.0
53.0
40.0
38.0
"
53.0
49.0
50.0
No data submitted
Insufficient
data
x =
Exper.
Sigma
0.58
1.15
1.73
0.58
4.51
1.53
1.00
0.58
7.00
2.00
2.31
4.16
4.16
1.53
2.31
1.00
3.21
3.79
1.53
0.58
1.00
2.52
0.58
2.00
0.58
4.04
2.08
1.53
4.58
1.53
1.15
1.00
0^58
1.53
6.11
0.58
0.58
2.89
2.00
Rng anal
(R + SR)
0.118
0.236
0.354
0.118
1.120
0.354
0.236
0.118
2.245
0.473
0.473
0.945
0.945
0.354
0.473
0.236
0.709
0.827
s
0.354
0.118
0.236
0.591
0.118
0.473
0.118
0.945
0.473
0.354
1.120
0.354
0.236
0.236
0.118
0.354
1.795
0.118
0.118
0.591
0.473
Average
45.67
53.67
49.00
50.67
48.67
46.67
49.00
51.33
51.00
49.00
25.67
-
47.67
55.67
48.33
54.33
51.00
43.67
49.67
53.67
50.33
63.00
53.67
55.33
52.00
52.67
48.33
53.33
53.67
56.00
49.33
50.67
51.00
55.33
51.33
46.67
37.67
*
52.67
50.67
50.00
TAG SYMBOLS
Determined
to be an outlier
Normalized
(grand-avg)
-2.17
0.60
-1.01
-0.43
-1.13
-1.82
-1.01
-0.20
-0.32
-1.01
, <, -9.09
x
-1.47
1.30
-1.24
0.84
-0.32
-2.86
-0.78
s\v ^ ^
0.60
-0.55
3.84
0.60
1.18
0.03
0.26
-1.24
0.49
0.60
1.41
-0.90
-0.43
-0.32
1.18
-0.20
-1.82
-4.94 s
= > =
0.26
-0.43
-0.67
deviation
(known) Tag
-1.15
1.62
0.00
0.58
-0.12
-0.81
0.00
0.81
V ,"\, ^ V *'- ' >! !« --
0.69
0.00
-8.08 x
-0.46
2.31
-0.23
1.85
0.69
-1.85
0.23
1.62
0.46
4.85 ft
"
1.62
2.19
1.04
1.27
-0.23
1.50
1.62
2.42
0.12
0.58
0.69
.
2.19
0.81
-0.81
-3*93 x
1.27
0.58
0.35
It = Above control limit
li = Below control limit
-------
32/42 EMSL-LV Performance Evaluation: Gamma
Cesium-137
Lab Res. 1 Res. 2
VA 49.0 45.0
- VJC, - -- : ' ; 4lI6 -"'';< ;"!' 37$ :?<
VE 48X) 46.0
VG 50.0 52.0
VH 51.0 49.0
;VI- : > < "" y '- - : -; -;> - *t '-;- v.
VM 43.0 53.0
fnLT " " - ' "- " '" "" -*,'"*>"*',
»W- " -.-" / ' " ^ ' ;;-,
VO 55.0 53.0
»*jMv '"'-.'" , ',< ' r< \
/^ *: \ y^v;"7;l~:;
VS 57.0 59.0
VT 43.0 51.0
VU 51.0 48.0
W 54.0 44.0
X 51.0 51.0
Z 54.0 55.0
Exper.
Res. 3 Sigma
48.0 2.08
\-V^4,6"^,\~ ,&51
46.0 1.15
51.0 1.00
51.0 1.15
,- :-^,. ».<-.-'- t , " - ,
42.0 6.08
'%", ^f*';- " * < " ' \"~\' ' ' , '
' "", fi'< ,',''< ' '* /" '° '-
56.0 1.53
t *. - ^ < -^
l''"' "' ' '
59.0 1.15
59.0 8.00
49.0 1.53
48.0 5.03
53.0 1.15
54.0 0.58
Rng anal
(R + SR)
0.473
0.827
0.236
0.236
0.236
1.570
0.354
0.236
2.695
0.354
1.345
0.236
0.118
in Water, 4-Nov-1994
Normalized deviation
Average (grand-avg) (known)
47.33 , -1.59 -0.58
37*33 ^ '' '^OiOo^" """"--xV ::''' *4«04--\'"
46.67 -1.82 -0.81
51.00 -0.32 0.69
50.33 -0.55 0.46
,-'-' -' -' '<;-"'''> V^.'^fiX.-1
46.00 -2.05 -1.04
'!'!< "" s ";<'""-'"-"- -" -'
, , -'.- ' ',, '' "\'-s- ' ?'< V,'
54.67 0.95 1.96
,* "" " " ^ s ' " <\ " 5 s
,:''">' '' '- V - V :
58.33 2.22 3.23
51.00 -0.32 0.69
49.33 -0.90 0.12
48.67 -1.13 -0.12
51.67 -0.09 0.92
54.33 0.84 1.85
Tag
'-xV-
':l%*y
* \ ~" '"
\ » ...
- ' \ -
tt
Data sorted by Laboratory Average
Average Tag
22.00 x
24.00 x
25.67 x
35.33 x
37.33 x
37.67 x
43.67
44.00
45.00
45.67
46.00
46.00
46.00
46.33
46.67
46.67
46.67
46.67
47.00
47.33
47.33
47.67
47.67
47.67
= No data submitted
0 s Insufficient data
Lab
KL
CM
SI
OK
VC
UT
sv
cc
OB
RM
VM
OM
DZ
QZ
VE
UR
RX
CA
AN
VA
GL
SM
RF
NZ
Average
47.67
48.00
48.00
48.00
48.00
48.33
48.33
48.33
48.33
48.33
48.67
48.67
49.00
49.00
49.00
49.00
49.00
49.00
49.33
49.33
49.67
49.67
49.67
49.67
Tag
TAG SYMBOLS
Lab
L
RH
K
C
AZ
TL
SR
JG
EX
EW
W
RV
SF
RZ
RR
PI
NK
JI
VU
TS
SW
PB
NP
HJ
Average Tag
49.67
50.00
50.00
50.00
50.00
50.00
50.00
50.33
50.33
50.33
50.33
50.33
50.67
50.67
50.67
50.67
50.67
51.00
51.00
51.00
51.00
51.00
51.00
51.00
It s Above control
x = Determined to be an outlier U = Below control
Lab
BA
UY
PV
M
GQ
EZ
DE
VH
T
EL
AY
AU
UX
U
RU
CP
BC
VT
VG
UE
ST
SD
Q
GE
limit
limit
-------
EMSL-LV Performance Evaluation
Cesium-137
: Gamma in Water, 4-Nov-1994
33/42 ]
Data sorted by Laboratory Average
Average Tag
51.00
51.00
51.00
51.33
51.33
51.33
51.33
51.33
51.33
51.33
51.33
51.67
51.67
51.67
51.67
52.00
52.00
52.00
52.00
52.00
52.00
52.33
52.33
52.33
52.67
52.67
52.67
52.67
52.67
52.67
52.67
% responding labs
10-
^
° -6 ' ~4
= No data submitted
0 = Insufficient data
Lab
FU
DL
AJ
UP
S
LF
KX
GI
BL
AH
A
X
PM
BM
BH
TH
N
MA
LT
JS
BB
LR
J
DD
UW
TI
QP
JE
FZ
CE
AF
Average Tag Lab
53.00
53.00
53.00
53.33
53.33
53.33
53.67
53.67
53.67
53.67
53.67
53.67
53.67
53.67
54.00
54.00
54.00
54.00
54.33
54.33
54.33
54.33
54.33
54.33
54.33
54.33
54.33
54.33
54.33
54.67
54.67
QT
FJ
BK
TO
MQ
BO
TQ
TD
SZ
RO
R
I
HK
AI
MP
HL
DG
AL
Z
SS
QJ
PW
o
NH
E
DO
DH
CJ
BW
VO
PE
Average
54.67
54.67
55.00
55.00
55.33
55.33
55.33
55.67
55.67
56.00
56.33
56.33
57.00
57.00
57.00
57.33
58.00
58.33
59.00
59.00
59.33
59.33
60.33
60.67
61.00
61.00
63.00
65.67
71.33
414.33
472.00
Tag
ft
ft
ft
ft
ft
ft
ft
ft
ft
ft
ft
X
X
X
X
Lab
NJ
BN
JY
CO
UN
TE
AW
SN
D
TR
MY
AE
1C
EB
AK
QX
PU
vs
EN
cs
ex
CQ
DM
CK
RL
MV
TB
LE
KH
FL
HP
Frequency distribution
- .....Ill
-2 (
Normalized deviation of the
,illlfl.llT
_
J +2
mean from the known value
TAG SYMBOLS ft
x = Determined to be an outlier li
T ""
+4
s Above
s Below
it
+6
control limit
control limit
-------
34/42 EMSL-LV Performance Evaluation: Gamma in Water, 4-Nov-1994
Cesium-137
% responding labs Frequency distribution
10
l-lif illlf lillf - T-
-6 -4 -2 0 +2 +4 +6
Normalized deviation of the mean from the grand average
-------
EMSL-LV Performance Evaluation: Gamma in Water, 4-Nov-1994
35/42
Barium-133 Statistical Summary 198 Participants
The known value of this nuclide is 73.0 pCi/1 with an expected precision of 7.0; the control limits
are 60.9 to 85.1; the warning regions are 60.9 to 64.9 and 81.1 to 85.1
34(17.2 %) Failed to respond
8(4.0 %) Outliers '
13(6.6 %) Out of control
but not an outlier
Statistic
131(66.2 %) Within all limits
Respondents
12(6.1 %) 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
78.10
58.28
3396.75
74.62
6.99
0.09
71.00
-2.74
-0.03
Grand Avg 70.81
6.13
37.64
8.66
-2.99
-0.36
70.67
-3.20
-0.38
21(12.8 %) More than 3 norm. S.D. -%
12(7.3 %) Between 2 and 3 norm. S.D
5(51.8 %) Within 1 norm. S.D.
of known value
46(28.O %) Between 1 and 2 norm. S.D.
-------
36 /
42 EMSL-LV Performance Evaluation: Gamma in Water, 4-Nov-1994
Barium-133
Lab
A
AE
AF
AH
AI
AJ
AK
AL
AN
AP
AU
AW
AY
AZ
BA
BB
BC
BG
BH
Bt
BK
BL
BM
BN
BO
BW
C
CA
,ecr
CE
CJ
CK
CM
CO
CP
CQ
CS
CX
D
DD
DE
DG
DH
iw
Res. 1
73.0
64.0
72.0
69.0
68.0
75.0
74.0
85.0
67.0
' '. " -"*" t".
72.0
77.0
70.0
67.0
71.0
71.0
66.0
66.0
69.0
, J1 " '
71.0
72.0
78.0
70.0
64.0
81.0
68.0
188.0
90.0
60.0
79.0
32X> V
77.0
73.0
71.0
71.0
66.0
76.0
78.0
66.0
70.0
74.0
-;"-': x/;':v.
Res. 2
72.0
64.0
71.0
65.0
71.0
77.0
76.0
75.0
' ?8'°
,;;; v.,^4
71.0
78.0
74.0
66.0
72.0
69.0
66.0
69.0
70.0
- ;,'-'-" - ' "«'
71.0
74.0
78.0
68.0
67.0
80.0
68.0
20i;6
87.0
60.0
77.0
- 34:0 '
76.0
73.0
77.0
74.0
70.0
72.0
71.0
67.0
70.0
74.0
' ^ V*-"'
Res. 3
72.0
66.0
72.0
65.0
70.0
76.0
75.0
77.0
64.0
>? TV; /n ' "
70.0
73.0
72.0
73.0
73.0
66.0
66.0
79.0
70.0
:.-, vV~. ,- -
66.0
72.0
82.0
71.0
66.0
79.0
67.0
218,0
87.0
55.0
70.0
3170
68.0
74.0
79.0
76.0
63.0
73.0
74.0
67.0
70.0
73.0
>X;'C-V >'*
= No data submitted
0 EE
Insufficient
data
X =
Exper.
Sigma
0.58
1.15
0.58
2.31
1.53
1.00
1.00
5.29
2.08
., ' , * -
1.00
2.65
2.00
3.79
1.00
2.52
0.00
6.81
0.58
- {/V ;''
2.89
1.15
2.31
1.53
1.53
1.00
0.58
; 15.04
1.73
2.89
4.73
'"';" IBS'
4.93
0.58
4.16
2.52
3.51
2.08
3.51
0.58
0.00
0.58
' >' ' - : ' '
Rng anal Normalized deviation
(R + SR) Average (grand-avg) (known)
0.084
0.169
0.084
0.338
0.253
0.169
0.169
0.844
0.338
0.169
0.422
0.338
0.591
0.169
0.422
0.000
1.185
0.084
0.422
0.169
0.338
0.253
0.253
0.169
0.084
3.917
0.253
0.422
0.759
0.253
0.759
0.084
0.675
0.422
0.591
0.338
0.591
0.084
0.000
0.084
72.33
64.67
71.67
66.33
69.67
76.00
75.00
79.00
66.33
*"!' "^
71.00
76.00
72.00
68.67
72.00
68.67
66.00
71.33
69.67
s *: V ':
69.33
72.67
79.33
69.67
65.67
80.00
67.67
202.33
88.00
58.33
75.33
\ 32.33
73.67
73.33
75.67
73.67
66.33
73.67
74.33
66.67
70.00
73.67
TAG SYMBOLS
Determined
to be an
outlier
0.38
-1.52
0.21
-1.11
-0.28
1.28
1.04
2.03
-1.11
,V,\:Y' '',><: A
0.05
1.28
0.29
-0.53
0.29
-0.53
-1.19
0.13
-0.28
" '-;'; ^ r ' T% *"-- ,
-0.37
0.46
2.11
-0.28
-1.27
2.27
-0.78
32,54 :
4.25
-3.09
1.12
9.52
0,71
0.62
1.20
0.71
-1.11
0.71
0.87
-1.03
-0.20
0.71
ft = Above
!) = Below
-0.16
-2.06
-0.33
-1.65
-0.82
0.74
0.49
1.48
-1.65
£>? - t ' "'^
-0.49
0.74
-0.25
-1.07
-0.25
-1.07
-1.73
-0.41
-0.82
;-'!! ." I" r
-0.91
-0.08
1.57
-0.82
-1.81
1.73
-1.32
32.00
3.71
s -,"- v -
-3.63
0.58
'ioioe
0.16
0.08
0.66
0.16
-1.65
0.16
0.33
-1.57
-0.74
0.16
'' ;> '?l
control
control
Tag
';,»"
V'.» .7'
~ -
x
ft
'&?:
x ,-
;" i!
limit
limit
-------
EMSL-LV Performance Evaluation: Gamma in Water, 4-Nov-1994
37/42 1
Barium-133
Lab
DL
DM
DO
DT
DZ
E
EA
EB
EL
EN
EW
EX
EZ
FJ
'FK
FL
FU
FZ
GE
GI
GL
GQ
ffl
HJ
HK
HL
HP
HX
I
1C
J
JE
JG
JI
JR
JS
JY
K
KH
KL
KX
L
LE
LF
LR
=
0 s
Res. 1
68.0
-.'94iO°:f
68.0
86.0
61.0
73.0
\ > -~-VV - :'^;
74.0
71.0
68.0
70.0
63.0
76.0
72.0
-!
59&61
66.0
77.0
77.0
72.0
66.0
70.0
j* " ^ *-. r *
79.0
68.0
69.0
539,0
68.0
72.0
72.0
68.0
60.0
63.0
. , . ' ; '>.
66.0
92.0
59.0
85.0
52.0
82.0
65.0
91.0
73.0
85.0
Res. 2
67.0
'-' ^W.6r
75.0
81.0
61.0
70.0
;-\yt* vs-
76.0
74.0
76.0
72.0
67.0
77.0
69.0
T\ "is.-'') ^Tt
''"liwld'
69.0
84.0
67.0
70.0
63.0
70.0
Y'\;,".-v>Y>;
73.0
68.0
69.0
, 622.0
-
73.0
75.0
69.0
70.0
59.0
69.0
"^' ;::!f
63.0
68.0
59.0
84.0
52.0
77.0
69.0
79.0
69.0
71.0
Res. 3
77.0
'"'^im.d"
77.0
78.0
61.0
70.0
p;l'^V;.r:>i
74.0
69.0
76.0
68.0
65.0
79.0
76.0
^ " ' ^
"; 605.0
66.0
76.0
68.0
72.0
67.0
70.0
' ,-y , - -- '
78.0
67.0
69.0
580.0 ,
x
71.0
76.0
70.0
71.0
64.0
68.0
65.0
80.0
60.0
92.0
50.0
68.0
67.0
82.0
75.0
72.0
No data submitted .
Insufficient
data
,*«
Exper.
Sigma
5.51
3.61
4.73
4.04
0.00
1.73
1.15
2.52
4.62
2.00
2.00
1.53
3.51
14.29
1.73
4.36
5.51
1.15
2.08
0.00
3.21
0.58
0.00
, 41.50
2.52
2.08
1.53
1.53
2.65
3.21
1.53
12.00
0.58
4.36
1.15
7.09
2.00
6.24
3.06
7.81
Rng anal Normalized deviation
(R + SR) Average (grand-avg) (known) Tag
0.844
= 0.591
0.759
0.675
0.000
0.253
, ,"'
0.169
0.422
0.675
0.338
0.338
0.253
0.591
3.596
0.253
0.675
0.844
0.169
0.338
0.000
0.506
0.084
0.000
12.435
0.422
0.338
0.253
0.253
0.422
0.506
0.253
2.953
0.084
0.675
0.169
1.345
0.338
1.024
0.506
1.345
70.67_
fiT nf\ ' % "* '.
* fj t *V\/'' * "
73.33
81.67
61.00
71.00
' r ".' -v^- :r^*
74.67
71.33
73.33
70.00
65.00
77.33
72.33
, v ;;;\^;-T; 57^;
-0.04
^::;?6:48^?'V-
0.62
2.69
-2.43
0.05
*^,c.\"\;. ,--
0.95
0.13
0.62
-0.20
-1.44
1.61
0.38
^"^W - ^^ "^
-0.58
>!:6i9^' . Vx-'-
0.08
2.14
-2.97
-0.49
A *" ^ NS . C "
0.41
-0.41
0.08
-0.74
-1.98
1.07
-0.16
;\ ~ViO, -
JSOO C'?1-^ 'O\^ v.1 OO *t & v ''I OQ CO \s
O«7w*O f.1-^-* -o X*i/.' 1.W fl*£t\j*0& X *"
67.00
79.00
70.67
71.33
65.33
70.00
76.67
67.67
69.00
-0.94
2.03
-0.04
0.13
-1.36
:0.20 __
5 ^ * " -
1.45
-0.78
-0.45
-1.48
1.48
-0.58
-0.41
-1.90
-0.74
- ' ',--, *
0.91
-1.32
-0.99
,680.33 126.07 125.53 x
"
70.67
74.33
70.33
69.67
61.00
66.67
..., .,:-, ,,..,... c.:;.
64.67
80.00
59.33
87.00
51.33
75.67
67.00
84.00
72.33
76.00
TAG SYMBOLS
Determined
to be an
outlier
-
-0.04
0.87
-0.12
-0.28
-2.43
-1.03
«;".>-
-1.52
2.27
-2.84
4.00
-4.82
1.20
-0.94
3.26
0.38
1.28
It s Above
li = Below
-0.58
0.33
-0.66
-0.82
-2.97
-1.57
''' r;;r" r?v:''r
-2.06
1.73
-3.38 Ji
3.46 It
-5.36 U
0.66
-1.48
2.72
-0.16
0.74
control limit
control limit
-------
38/42 EMSL-LV Performance Evaluation: Gamma in Water, 4-Nov-1994
Barium-133
Lab
LT
M
MA
ML
MP
MQ
MT
MV
MY
N
NB
NH
NI
NJ
NK
NP
NZ
O
OA
OB
OK
OL
OM
PB
PE
PI
PM
PU
PV
PW
Q
QJ
QP
QT
QU
QW
QX
QZ
R
RC
RF
RH
RK
RL
Res. 1
71.0
69.0
72.0
73.0
70.0
78.0
70.0
73.0
72.0
70.0
68.0
56.0
63.0
71.0
; v : ' "
88.0
74.0
90.0
66.0
65.0
66.0
67.0
64.0
68.0
72.0
76.0
73.0
73.0
61.0
64.0
65.0
65.0
> » ;
57.0
Res. 2
72.0
70.0
71.0
74.0
67.0
81.0
71.0
74.0
72.0
76.0
75.0
64.0
76.0
71.0
-.' - '-T
'/ -\ ' v "": '
91.0
i - '
74.0
89.0
68.0
66.0
67.0
71.0
64.0
71.0
69.0
68.0
75.0
73.0
64.0
66.0
65.0
66.0
^ __ ', ' v
57.0
Res. 3
71.0
71.0
70.0
: ,-,, ," '. -
72.0
67.0
84.0
70.0
71.0
70.0
72.0
66.0
66.0
66.0
71.0
' S " ^ '
85.0
76.0
88.0
71.0
65.0
72.0
75.0
67.0
69.0
69.0
75.0
73.0
72.0
63.0
68.0
68.0
67.0
J ,
57.0
= No data submitted
0 =
Insufficient
data
x =
Exper.
Sigma
0.58
1.00
1.00
1.00
1.73
3.00
0.58
1.53
1.15
3.06
4.73
5.29
6.81
0.00
;,; :, ,' _
3.00
1.15
1.00
2.52
0.58
3.21
4.00
1.73
1.53
1.73
4.36
1.15
v
0.58
1.53
2.00
1.73
1.00
0.00
Rng anal Normalized deviation
(R + SR) Average (grand-avg) (known) Tag
0.084
0.169
0.169
0.169
0.253
0.506
0.084
0.253
0.169
0.506
0.759
0.844
1.185
0.000
0.506
0.169
0.169
0.422
0.084
0.506
0.675
0.253
0.253
0.253
0.675
0.169
0.084
0.253
0.338
0.253
0.169
0.000
71.33
70.00
71.00
73.00
68.00
.<
81.00
70.33
72.67
71.33
72.67
69.67
62.00
68.33
71.00
, ' '. ' :^-::
88.00
74.67
89.00
68.33
65.33
68.33
71.00
65.00
69.33
70.00
73.00
73.67
72.67
62.67
66.00
66.00
66.00
57.00
TAG SYMBOLS
Determined
to be an
outlier
0.13
-0.20
0.05
'>' 't1- s "" +"''' ^
0.54
-0.41
-0.74
-0.49
-,/J.V'V <:
0.00
-0,70 -1.24
2.52
-0.12
0.46
-
0.13
0.46
-0.28
-2.18
-0.61
0.05
X '''":« } '
4.25
' ' -," -
0.95
4.50
-0.61
-1.36
-0.61
0.05
-1.44
-0.37
-0.20
0.54
0.71
0.46
-2.02
-1.19
-1.19
-1.19
-3.42
It s Above
U s Below
1.98
-0.66
-0.08
'* ,
-0.41
*
-0.08
-0.82
-2.72
-1.15
-0.49
,':/-: '; *,>:
3.71 IT
' '
0.41
3.96 ft
-1.15
-1.90
-1.15
* , -
>- - " ' '*'.
-0.49
-1.98
-0.91
-0.74
0.00
0.16
,
' *
-0.08
-2.56
-1.73
-1.73
-1.73
"' !V ' ' "
-3.96 II
control limit
control limit
-------
EMSL-LV Performance Evaluation: Gamma
in Water, 4-Nov-1994
39/42
Barium- 133
Lab
RM
RO
RR
RU
RV
RX
RZ
S
sc
SD
SF
SI
SK
SM
SN
SR
ss
ST
sv
sw
SX
sz
T
TB
litC
TD
TE
TH
TI
TL
TO
TQ
TR
TS
U
UE
UM
UN
UP
UR
UT
UV
UW
UX
UY
Res. 1
67.0
68.0
68.0
73.0
62.0
73.0
70.0
79.0
"» X *" '^
72.0
58.0
30;0;;;
: - , ' -: i: -
67.0
69.0
66.0
80.0
68.0
71.0
85.0
76.0
68.0
88.0
7, .\'-~k: ^'
69.0
62.0
76.0
67.0
69.0
60.0
76.0
64.0
66.0
73.0
69.0
69.0
80.0
. 98.0
66.0
« -
71.0
71.0
71.0
Res. 2
68.0
64.0
69.0
75.0
60.0
75.0
66.0
72.0
"V-\ v <\
71.0
57.0
v^:3&py-:
'"'"7U- :< P
64.0
74.0
65.0
76.0
69.0
67.0
73.0
"'-"
76.0
74.0
88.0
^/'^ V?
72.0
62.0
83.0
65.0
68.0
63.0
76.0
76.0
69.0
72.0
70.0
70.0
82.0
» 117.0
56.0
--,.
71.0
58.0
76.0
Res. 3
72.0
66.0
77.0
74.0
57.0
74.0
70.0
75.0
V-
64.0
55.0
:-vMb-
66.0
73.0
67.0
78.0
70.0
64.0
73.0
75.0
70.0
87.0
- \/" - '
72.0
64.0
80.0
68.0
71.0
59.0
80.0
60.0
68.0
74.0
73.0
69.0
83.0
101.0
56.0
,
74.0
67.0
67.0
s No data submitted
0 3
Insufficient
data
x =
Exper.
Sigma
2.65
2.00
4.93
1.00
2.52
1.00
2.31
3.51
4.36
1.53
1.53
1.53
2.65
1.00
2.00
1.00
3.51
6.93
0.58
3.06
0.58
1.73
1.15
3.51
1.53
1.53
2.08
2.31
8.33
1.53
1.00
2.08
0.58
1.53
10.21
5.77
1.73
6.66
4.51
Rng anal
(R + SR)
0.422
0.338
0.759
0.169
0.422
0.169
0.338
0.591
S ^<
0.675
0.253
0.253 ;
0.253
0.422
0.169
0.338
0.169
0.591
1.024
0.084
0.506
0.084
~;
0.253
0.169
0.591
0.253
0.253
0.338
0.338
1.667
0.253
0.169
0.338
0.084
0.253
2.149
0.844
0.253
1.185
0.759
Normalized deviation
Average
69.00
66.00
71.33
74.00
59.67
74.00
68.67
75.33
, ~ \ $* "~, ^
69.00
56.67
-\J,S.31*67
;' " ''\>!'",'
65.67
72.00
66.00
78.00
69.00
67.33
77.00
75.67
70.67
87.67
* , ^."."xT;
71.00
62.67
79.67
66.67
69.33
60.67
77.33
66.67
67.67
73.00
70.67
69.33
81.67
105.33
59.33
*
72.00
65.33
71.33
TAG SYMBOLS
Determined
to be an outlier
(grand-avg) (known) Tag
-0.45
-1.19
0.13
0.79
-2.76
0.79
-0.53
J..12
\ ~-\j>?-~.^ \
-0.45
-3.50
?;-- 4^X8^9; AV>
:S>!;7 \ V. '"
-1.27
0.29
-1.19
1.78
-0.45
-0.86
1.53
-
1.20
-0.04
4.17
%-»V'^'T it':
0.05
-2.02
2.19
-1.03
-0.37
-2.51
1.61
-1.03
-0.78
0.54
-0.04
-0.37
2.69
8.54
-2.84
^
0.29
-1.36
0.13
ft s Above
II = Below
-0.99
-1.73
-0.41
0.25
-3.30 II
0.25
-1.07
0.58
*" ^ \A< v \
-0.99
-4.04 II
10,23 , :x
s ^ 9
-1.81
-0.25
-1.73
1.24
-0.99
-1.40
0.99
0.66
-0.58
3.63 ft
TV/ ',-Vv.:' .
-0.49
-2.56
1.65
-1.57
-0.91
-3.05 II
1.07
-1.57
-1.32
0.00
-0.58
-0.91
2.14
8.00 x
-3.38 II
-0.25
-1.90
-0.41
control limit
control limit
-------
40/42 EMSL-LV Performance Evaluation: Gamma
Barium-133
Lab Res. 1
VA 1340
VC 81.0
VE 73.0
VG 67.0
VH 62.0
VM 60.0
>.y»T"v^ /.;< -v
VO 74.0
'VR;:\ '-";;/
VS 76.0
VT 58.0
VU 76.0
W 72.0
X 67.0
Z 75.0
Average
31.67
32.33
51.33
56.67
57.00
58.33
59.33
59.33
59.67
60.67
61.00
61.00
62.00
62.00
62.67
62.67
63.00
64.67
64.67
65.00
65.00
65.00
65.33
65.33
Res. 2
\; 116,0
71.0
71.0
68.0
63.0
63.0
^J>f;'^:-v-
76.0
: ^Illli
75.0
66.0
72.0
69.0
63.0
74.0
Tag
X
X
U
11
||
Jl
Ji
11
H
u
Res. 3
110.0
76.0
74.0
69.0
61.0
66.0
_ ''f-vV \ff ' ""
74.0
:X^;'K:*
73.0
74.0
71.0
70.0
65.0
75.0
Data
Lab
SI
CM
KL
SF
RL
CJ
UT
K
RV
TO
JG
DZ
VH
NP
TE
QZ
VM
JS
AE
X
PW
EX
UX
PI
Exper.
Sigma
, 12.49
5.00
1.53
1.00
1.00
3.00
* "x -'," -' *
1.15
!* ';;}' ;f : "
1.53
8.00
2.65
1.53
2.00
0.58
Rnganal
(R + SR)
2.953. .
0.844
0.253
0.169
0.169
0.506
o'.ies
% \
0.253
1.667
0.422
0.253
0.338
0.084
in Water, 4-Nov-1994
Average
120,00
76.00
72.67
68.00
62.00
63.00
/ , ! - ;
74.67
' «, -. ,x >
74.67
66.00
73.00
70.33
65.00
74.67
Normalized deviation
(grand-avg) (known)
-.i24?\,«
^ s \
* I - ''.'
1.28
0.46
-0.70
-2.18
-1.93
, ~ '', V' ": '
0.95
'"x '
' / ^
0.95
-1.19
0.54
-0.12
-1.44
0.95
; 11.63 ^
0.74
-0.08
-1.24
-2.72
_;2.47s _
V'-t'-*, \>v'«
0.41
''*' - ^- ','''-
0.41
-1.73
0.00
-0.66
-1.98
0.41
Tag
X
:^v
;",'"»;"
* ' i
*
sorted by Laboratory Average
Average
3 No data submitted
0 & Insufficient data
X
65.33
65.67
65.67
66.00
66.00
66.00
66.00
66.00
66.00
66.00
66.33
66.33
66.33
66.67
66.67
66.67
66.67
67.00
67.00
67.33
67.67
67.67
67.67
68.00
Tag
Lab
GL
SM
BO
VT
SR
RO
RH
RF
R
BC
CX
AN
AH
TR
TI
JI
DE
L
FU
SV
TS
HK
CA
VG
Average
68.00
68.33
68.33
68.33
68.67
68.67
68.67
69.00
69.00
69.00
69.00
69.33
69.33
69.33
69.33
69.67
69.67
69.67
69.67
69.67
70.00
70.00
70.00
70.00
TAG SYMBOLS
& Determined to be an outlier
Tag
ft = Above control
.11 s Below control
Lab
MQ
PM
PE
NZ
RZ
BB
AZ
ST
SD
RM
HL
UN
TL
Q
BK
NK
JE
BN
BH
AI
QJ
M
GQ
EW
limit
limit
-------
EMSL-LV Performance Evaluation: Gamma
Barium-133
in Water, 4-Nov-1994 41
142
Data sorted by Laboratory Average
Average Tag
70.00
70.33
70.33
70.33
70.67
70.67
70.67
70.67
70.67
71.00
71.00
71.00
71.00
71.00
71.00
71.33
71.33
71.33
71.33
71.33 '
71.33
71.33
71.67
72.00
72.00
72.00
72.00
72.33
72.33
72.33
% responding labs
10-
-6 -4
Lab
DG
W
MY
J
UE
T
I
GE
DL
TD
PV
O
MA
E
AU
UY
RR
NH
LT
GI
EL
BG
AF
UW
SN
BA
AY
LF
FJ
A
Average Tag
72.67
72.67
72.67
72.67
72.67
73.00
73.00
73.00
73.00
73.33
73.33
73.33
73.67
73.67
73.67
73.67
73.67
74.00
74.00
74.33
74.33
74.67
74.67
74.67
74.67
74.67
75.00
75.33
75.33
75.67
75.67
Frequency distribution
I
Lab
VE
QX
NJ
N
BL
VU
U
QP
MP
EN
DO
CP
QT
DH
D
CS
CO
RX
RU
1C
DD
Z
vs
vo
OM
EB
AK
S
CK
SZ
KX
Average
75.67
76.00
76.00
76.00
76.00
76.67
77.00
77.33
77.33
78.00
79.00
79.00
79.33
79.67
80.00
80.00
81.00
81.67
81.67
84.00
87.00
87.67
88.00
88.00
89.00
97.00
105.33
120.00
202.33
580.33
592.67
__:._._ iiiiiimiiii..: ; " : __
T -T2 T I T 72
Tag
ft
ft
ft
ft
ft
X
X
X
X
X
X
s
Lab
CQ
vc
LR
AW
AJ
HJ
SW
TQ
EZ
ss
FZ
AL
BM
TH
JY
C
MV
UP
DT
LE
KH
TB
OK
CE
PB
DM
UR
VA
CC
HP
FL
S
+6
Normalized deviation of the mean from the known value
a No data submitted
0 s Insufficient data
TAG SYMBOLS ft
x s Determined to be an outlier . !!
= Above control
= Below control
limit
limit
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42/42 EMSL-LV Performance Evaluation: Gamma in Water, 4-Nov-1994
Barium-133
responding labs Frequency distribution
"/a
10
, T»f M"M""M-"-T
-6 -4 -2 0 +2 +4 +6
Normalized deviation of the mean from the grand average
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