United States
Environmental Protection
Agency
Environmental Monitoring
Systems Laboratory
P.O. Box 93478
Las Vegas NV 89193-3478
EPA600/R-92/118
June 1992
Research and Development
Air Filter
Intercomparison Study
A Statistical Evaluation of the
March 27,1992 Data
5168GR92NRD-9
-------
Air Filter
Intercomparison Study
March 27, 1992
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)
Intercomparison Study for Air Filter; March 27, 1992.
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 Frank Novielli at 702/798-2159 or Patricia Honsa at 702/798-2141.
Sincerely,
Frank Novielli
Senior 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 it has been approved for publication
as an EPA document.
-------
EMSL-LV Inter-comparison Study: Air Filter, 27-Mar-1992 1/28 1
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
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 Lusting 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.
-------
EMSLr-LV Intel-comparison Study: Air Filter, 27-Mar-1992
2/28
Alpha Statistical Summary 179 Participants
The known value of this nuclide is 7.0 pCi/F with an expected precision of 5.0; the control limits
are 0.0 to 15.7; the warning regions are 0.0 to 1.2 and 12.8 to 15.7
37(20.7 %) Failed to respond •»
3( 1.7%) Outliers '
Statistic
; 136(76.O %) Within all limits
Respondents
*• 3(1.7 %) 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
9.25
7.20
51.88
77.88
32.13
0.31
8.00
14.29
0.14
Grand Avg 8.35
1.69
2.84
20.20
19.25
0.80
8.00
14.29
0.59
4(2.8 %) More than 3 norm. S.D. •,,„
2(1.4 %,) Between 2 and 3 norm. S.D. "
.116(81.7 %) Within 1 norm. S.D.
of known value
2O(14.1 %) Between 1 and 2 norm. S.D.
-------
3/28 EMSL-LV Intel-comparison Study: Air Filter, 27-Mar-1992
Alpha
Lab Res. 1 Res. 2 Res. 3
A
AA
AB
AE
AF
AM
AT
AJ
AK
AL
AN
AP
AU
AZ
BA
BC
B®
BH
BI
BK
BL
BM
BO
BW
C
CA
CC
CE
CJ
CM
CO
CP
CQ
CS
D
DD
DE
IJH
DH
DI
BJ
DL
DM
DO
DP
8.0
8.0
10.0
10.0
••
9.0
9.0
8.0
7.0
10.0
8.0
8.0
7.0
7.0
8.0
,
7.0
7.0
7.0
8.0
10.0
7.0
5.0
7.0
7.0
7.0
7.0
12.0
. , •* ff
8.0
10.0
8.0
9.0
8.0
8.0
7.0
62.0
8.0
8.0
1&8
„
9.0
8.0
8.0
7.0
"/
11.0
10.0
9.0
8.0
8.0
7.0
9.0
8.0
8.0
7.0
7.0
8.0
•* f
8.0
6.0
7.0
8.0
10.0
7.0
5.0
7.0
7.0
7.0
7.0
11.0
f "• S
6.0
11.0
8.0
10.0
8.0
8.0
7.0
620
8.0
8.0
20.0 f
9.0
9.0
8.0
8.0
_, .- •*
11.0
11.0
f
9.0
10.0
8.0
8.0
10.0
8.0
8.0
7.0
8.0
8.0
7.0
7.0
7.0
8.0
10.0
7.0
5.0
7.0
7.0
8.0
7.0
11.0
X ..
•"' -'* >,',
9.0
11.0
8.0
9.0
8.0
8.0
7.0
84v$
8.0
8.0
20.0
9.0
8.0
• = No data submitted
0 5
Insufficient data
X. 3
Exper.
Sigma
0.00
0.58
-
0.58
0.58
„••-•
0.00
1.00
0.00
0.58
0.58
0.00
0.00
0.00
0.58
0.00
,
0.58
0.58
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.58
0.00
0.58
f *
1.53
0.58
0.00
0.58
0.00
0.00
0.00
4.62
0.00
0.00
0,58
0.00
0.58
Rnganal
(R + SR) Average
0.000
0.118
0.118
0.118
0.000
0.236
o.ooo
0.118
0.118
0.000
0.000
0.000
0.118
0.000
0.118
0.118
0.000
0.000
0.000
0.000
0.000
0.000
0.000
0.118
0.000
0.118
0.354
0.118
0.000
0.118
0.000
0.000
0.000
0.945
0.000
0.000
0.118
0.000
0.118
8.00
7.67
'••
10.67
10.33
9.00
9.00
8.00
7.33
9.67
8.00
8.00
7.00
7.33
8.00
7.33
6.67
7.00
8.00
10.00
7.00
5.00
7.00
7.00
7.33
7.00
11.33
,
7.67
10.67
8.00
9.33
8.00
8.00
7.00
59.33
8.00
8.00
1&67
9.00
8.33
TAG SYMBOLS
Determined
to be an
outlier
Normalized deviation
(grand-avg) (known) Tag
-0.12
-0.24
'••
0.80
0.69
,
0.23
0.23
-0.12
-0.35
0.46
-0.12
-0.12
-0.47
-0.35
-0.12
-0.35
-0.58
-0.47
-0.12
0.57
-0.47
-1.16
-0.47
-0.47
-0.35
-0.47
1.03
•* f f
-0.24
0.80
-0.12
0.34
-0.12
-0.12
-0.47
17M
-0.12
-0.12
&$2
0.23
0.00
ft s Above
I), s Below
0.35
0.23
', «
1.27
1.15
•- *-
0.69
0.69
0.35
0.12
0.92
0.35
0.35
0.00
0.12
0.35
*,.
0.12
-0.12
0.00
0.35
1.04
0.00
-0.69
0.00
0.00
0.12
0.00
1.50
- - »
0.23
1.27
0.35
0.81
0.35
0.35
0.00
1843 x
0.35
0.35
4.39 X
0.69
0.46
control limit
control limit
-------
EM8L-LV Intercomparison Study: Air Filter, 27-Mar-1992
Alpha
Lab
DT
DX
E
EA
EB
EF
EH
EL
EW
EX
EZ
FE
FJ
FK
FL
FO
FZ
GE
GI
HE
HI
HL
I
IA
1C
IE
m
m
IY
J
JE
4&'
JS
JY
K
KF
KH
KL
KM
tot
L
LA
LE
LF
LM
Res. 1
9.0
6.0
7.0
8.0
7.0
9.0
9.0
8.0
' "
'' ' ; "
11.0
11.0
13.0
7.0
9.0
9.0
8.0
£ fff
7.0
10.0
10.0
14.0
8.0
8.0
10.0
, * '
10.0
7.0
11.0
/ ' ' '• ' ' ', '< '' '
8.0
10.0
9.0
7.0
7.0
f
7.0
8.0
8.0
' f f ff f
Res. 2
10.0
8.0
7.0
7.0
8.0
2.0
9.0
8.0
""
'",' ' ''/
12.0
11.0
8.0
7.0
8.0
8.0
9.0
f, s s fff ** •• '
7.0
9.0
10.0
15.0
8.0
, '
8.0
9.0
'"/ -
10.0
7.0
11.0
y - '"' ' ^ /,
8.6
10.0
9.0
7.0
7.0
, '
7.0
8.0
8.0
-
Res. 3
8.0
7.0
7.0
8.0
7.0
5.0
8.0
8.0
', ' f
'' ' , it ' ''
12.0
10.0
11.0
7.0
8.0
8.0
9.0
" /, '
8.0
10.0
10.0
15.0
8.0
8.0
9.0
,, f
f ss S ' •" f
10.0
7.0
11.0
r/'^' ^r^
8.0
10.0
11.0
6.0
7.0
8.0
••
7.0
8.0
-
• e No data submitted
0 =
Insufficient
data
X S
Exper.
Sigma
1.00
1.00
0.00
0.58
0.58
3.51
0.58
0.00
0.58
0.58
2.52
0.00
0.58
0.58
0.58
0.58
0.58
0.00
0.58
0.00
0.00
0.58
0.00
0.00
0.00
0.00
0.00
1.15
0.58
0.00
0.58
0.58
0.00
4/28
Rng anal Normalized deviation
(R + SR) Average (grand-avg) (known) Tag
0.236
0.236
0.000
0.118
0.118
0.827
0.118
0.000
*"
'
0.118
0.118
0.591
0.000
0.118
0.118
0.118
0.118
0.118
0.000
0.118
0.000
0.000
0.118
0.000
0.000
0.000
'
0.000
0.000
0.236
0.118
0.000
0.118
0.118
0.000
9.00
7.00
7.00
7.67
7.33
5.33
8.67
8.00
,
'•;• •*•>.•
' -'
11.67
10.67
10.67
7.00
8.33
8.33
8.67
'
7.33
9.67
10.00
14.67
8.00
' .-.- ,y
8.00
9.33
10.00
7.00
11.00
';,* > f
8.00
10.00
9.67
6.67
7.00
7.33
7.67
8.00
TAG SYMBOLS
Determined
to be an
outlier
0.23
-0.47
-0.47
-0.24
-0.35
-1.04
0.11
-0.12
' , , ',
>
1.15
0.80
0.80
-0.47
0.00
0.00
0.11
-0.35
0.46
0.57
2.19
-0.12
,, ,,,,, , , ,
-0.12
0.34
•*
0.57
-0.47
0.92
' f ,/•-,'
-0.12
0.57
0.46
-0.58
-0.47
'
-0.35
-0.24
-0.12
IT s Above
•II s Below
0.69
0.00
0.00
0.23
0.12
-0.58
0.58
0.35
' ', , «
*
1.62
1.27
1.27
0.00
0.46
0.46
0.58
«
0.12
0.92
1.04
2.66
0.35
•
0.35
0.81
*
, •
1.04
0.00
1.39
•• ', ' *
0.35
1.04
0.92
-0.12
0.00
•
*
*
0.12
•
0.23
0.35
•
control limit
control limit
-------
5/28
Alpha
Lab Res. 1
LR
LS
LT
LZ
M
MA
ME
ML
MN
MF
MQ
MS
MV
MX
N
NC
NH
NJ
NK
NO
NP
NT
HT
NZ
O
OA
OB
OK
01*
OM
m
p
PB
PC
PD
PM
PP
PS
PT
F0
PV
PW
Q
QA
• =
0 =
13.0
8.0
7.0
8.0
9.0
9.0
- ?£$•.,
12.0
••
8.0
7.0
7.0
8.0
8.0
12.0
9.0
6.0
16.0
6.0
10.0
7.0
f •• •>
9.0
8.0
8.0
7.0
' *"'
5.0
.f <
8.0
8.0
7.0
9.0
11.0
7.0
8.0
9.0
8.0
EMSL-LV Intel-comparison Study : Air Filter, 27-Mar-1992
Res. 2
11.0
11.0
8.0
8.0
8.0
10.0
?&,&
13.0
f
8.0
7.0
7.0
8.0
7.0
13.0
9.0
7.0
15.0
7.0
9.0
8.0
f t f
jff f f
9.0
8.0
9.0
7.0
t f f
6.0
7.0
7.0
' •* 4 '
•' / •' ' ', 'i'$
<, f ff? A.
9.0
8.0
10.0
6.0
10.0
9.0
7.0
Res. 3
11.0
11.0
7.0
7.0
9.0
10.0
?&$
12.0
,
' ,
9.0
7.0
7.0
9.0
7.0
14.0
10.0
7.0
16.0
7.0
11.0
8.0
9.0
7.0
7.0
8.0
-'
' i " '
6.0
'',' " ,
f j f f
7.0
7.0
* ' '" C '
''';'•'', '
10.0
'
8.0
10.0
6.0
8.0
10.0
8.0
No data submitted
Insufficient
data
X 3
Exper.
Sigma
1.15
1.73
0.58
0.58
0.58
0.58
- IJfll '
0.58
.,
••_
0.58
0.00
0.00
0.58
0.58
1.00
0.58
0.58
0.58
0.58
1.00
0.58
0.00
0.58
1.00
0.58
'
.... ••
0.58
Jftt f •• .- .• .• .-
f •* •.
0.58
0.58
1.53
0.58
0.58
0.58
1.15
0.58
0.58
Rng anal Normalized deviation
(R + SR) Average (grand-avg) (known) Tag
0.236
0.354
0.118
0.118
0.118
0.118
0.354
0.118
0.118
0.000
0.000
0.118
0.118
0.236
0.118
0.118
0.118
0.118
0.236
0.118
0.000
0.118
0.236
0.118
-
0.118
0.118
0.118
0.354
0.118
0.118
0.118
0.236
0.118
0.118
11.67
10.00
7.33
7.67
8.67
9.67
74M
12.33
,
j, _, '
8.33
7.00
7.00
8.33
7.33
13.00
9.33
6.67
15.67
6.67
10.00
7.67
* / '
9.00
7.67
8.00
7.33
5.67
7.33
7.33
8.67
8.33
10.33
6.33
8.67
9.33
7.67
TAG SYMBOLS
Determined
to be an
outlier
1.15
0.57
-0.35
-0.24
0.11
0.46
a&w
1.38
'
v
0.00
-0.47
-0.47
0.00
-0.35
1.61
0.34
-0.58
2.54
-0.58
0.57
-0.24
0.23
-0.24
-0.12
-0.35
-
-0.93
-0.35
-0.35
0.11
0.00
0.69
-0.70
0.11
0.34
-0.24
ft s Above
Ji s Below
1.62
1.04
0.12
0.23
0.58
0.92
2&21 X
1.85
*
•
0.46
0.00
0.00
0.46
0.12
2.08
0.81
-0.12
3.00
-0.12
1.04
0.23
0.69
0.23
0.35
0.12
*
-0.46
* :
0.12
0.12
0.58
»
0.46
1.15
»
-0.23
0.58
0.81
0.23
control limit
control limit
-------
EMSL-LV Intercomparison Study: Air Filter, 27-Mar-1992
Alpha
Lab Res. 1
QB
QC
QD
QJ
<$K
QM
QU
QW
QX
QZ
R
RG
RH
RJ
RK
••BN
RO
RQ
RS
RU
RW
S
SA
sc
SD
SF
SI
SF
SQ
SR
ss
sw
SY
' SzT
T
TA
TB
TE
TG
TH
X
Y
Z
• s
[0m
8.0
7.0
7.0
9.0
7.0
6.0
8.0
8.0
10.0
9.0
6.0
9.0
,
7.0
8.0
8.0
8.0
7.0
9.0
7.0
10.0
8.0
8.0
9.0
11.0
8.0
7.0
4.0
-",
8.0
9.0
9.0
9.0
8.0
6.0
6.0
7.0
11.0
Res. 2
7.0
8.0
7.0
8.0
7.0
6.0
'
8.0
8.0
9.0
8.0
7.0
9.0
•• ' '
-;'- ,
6.0
8.0
,
9.0
9.0
8.0
8.0
8.0
10.0
9.0
8.0
~"s ' ' ' f
11.0
12.0
8.0
7.0
4.0
f',,y " / """
7.0
8.0
9.0
9.0
8.0
6.0
7.0
7.0
12.0
Res. 3
7.0
8.0
7.0
9.0
'
6.0
6.0
8.0
8.0
9.0
8.0
6.0
10.0
'
f '
7.0
8.0
'
10.0
8.0
8.0
9.0
7.0
10.0
9.0
9.0
f f f
9.0
11.0
7.0
8.0
5.0
'* '' J '' S
8.0
8.0
10.0
9.0
7.0
6.0
7.0
7.0
12.0
No data submitted
Insufficient
data
x =
6/28
Exper. Rng anal Normalized deviation
Sigma (R + SR) Average (grand-avg) (known) Tag
0.58
0.58
0.00
0.58
'
0.58
0.00
•* f
0.00
0.00
0.58
0.58
0.58
0.58
,
, •• •••• '
0.58
0.00
1.00
0.58
0.58
0.58
0.58
0.00
0.58
0.58
•'
1.15
0.58
0.58
0.58
0.58
0.58
0.58
0.58
0.00
0.58
0.00
0.58
0.00
0.58
0.118
0.118
0.000
0.118
0.118
0.000
0.000
0.000
0.118
0.118
0.118
0.118
' , ' ,
0.118
0.000
0.236
0.118
0.118
0.118
0.118
0.000
0.118
0.118
0.236
0.118
0.118
0.118
0.118
0.118
0.118
0.118
0.000
0.118
0.000
0.118
0.000
0.118
7.33
7.67
7.00
8.67
,
6.67
6.00
8.00
8.00
9.33
8.33
6.33
9.33
.. ..
' ' -
6.67
8.00
9.00
8.33
7.67
8.67
7.33
10.00
8.67
8.33
9.67
11.33
7.67
7.33
4.33
7.67
8.33
9.33
9.00
7.67
6.00
6.67
7.00
11.67
TAG SYMBOLS
Determined to
be an
outlier
-0.35
-0.24
-0.47
0.11
-0.58
-0.81
'
-0.12
-0.12
0.34
0.00
-0.70
0.34
'
•• ' '
-0.58
-0.12
'
0.23
0.00
-0.24
0.11
-0.35
0.57
0.11
0.00
'
0.46
1.03
-0.24
-0.35
-1.39
-0.24
0.00
0.34
0.23
-0.24
-0.81
-0.58
-0.47
1.15
ft s Above
•U = Below
0.12
0.23
0.00
0.58
*
-0.12
-0.35
*
0.35
0.35
0.81
0.46
-0.23
0.81
* "
*
-0.12
0.35
*
0.69
0.46
0.23
0.58
0.12
1.04
0.58
0.46
*
0.92
1.50
0.23
0.12
-0.92
*
0.23
0.46
0.81
0.69
0.23
-0.35
-0.12
0.00
1.62
control limit
control limit
-------
7/28
Alpha
EMSL-LV Inter-comparison Study:
Air Filter, 27-Mar-1992
Data sorted by Laboratory Average
Average
4.33
5.00
5.33
5.67
6.00
6.00
6.33
6.33
6.67
6.67
6.67
6.67
6.67
6.67
6.67
7.00
7.00
7.00
7.00
7.00
7.00
7.00
7.00
7.00
7.00
7.00
7.00
7.00
7.00
7.00
7.00
7.33
7.33
7.33
7.33
7.33
7.33
7.33
7.33
7.33
7.33
7.33
7.33
7.33
• s No data
Tag Lab
SY
BW
EF
OM
TH
QU
RH
PV
X
RO
QM
NO
NJ
KF
BI
Y
QD
MV
MS
KH
J
FK
E
DX
DE
CE
CA
C
BO
BK
AZ
SW
sc
QB
PB
P
OB
N
LT
L
GI
EB
CC
BH
Average Tag
7.33
7.33
7.67
7.67
7.67
7.67
7.67
7.67
7.67
7.67
7.67
7.67
7.67
7.67
7.67
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.33
8.33
8.33
8.33
8.33
8.33
8.33
8.33
8.33
Lab
BA
AL
TG
T
SS
s
QC
QA
o
NT
LZ
LE
EA
CO
AA
RQ
QZ
OX
OA
LF
JS
1C
I
EL
DI
DH
DD
D
CQ
BL
BC
AU
AP
AK
A
TA
SI
RW
RG
PS
MX
MQ
FO
FL
Average Tag
8.33
8.67
8.67
8.67
8.67
8.67
8.67
8.67
8.67
9.00
9.00
9.00
9.00
9.00
9.00
9.00
9.33
9.33
9.33
9.33
9.33
9.33
9.33
9.67
9.67
9.67
9.67
9.67
10.00
10.00
10.00
10.00
10.00
10.00
10.00
10.33
10.33
10.67
10.67
10.67
10.67
11.00
11.33
11.33
submitted TAG SYMBOLS ft = Above control
0 s Insufficient data x = Determined to be
an outlier & & Below control
Lab
DP
SF
SA
QJ
PW
PM
M
FZ
EH
TE
RU
NZ
DT
DO
AJ
AI
TB
RJ
R
Q
NH
IE
CS
SQ
MA
K
HE
AN
SD
NP
LS
JY
IY
HI
BM
PT
AF
FJ
FE
CP
AE
JE
SR
CJ
limit
limit
-------
EMSL-LV Intercomparison
Study: Air Filter, 27- Mar- 1992 8/28
Alpha
Data sorted by Laboratory Average
Average Tag Lab Average Tag Lab Average Tag Lab
11.67 Z 12.33
11.67 LB 13.00
11.67 EZ 14.67
ML 15.67 NK
NC 19.67 x DJ
HL 59.33 x DG
74.00 x ME
% Frequency distribution of responding labs(expected prec. vs known value)
on. - - _____ ______ ________
in* — ____________ _ _ _ _________
n ., T •
_ _ __•_ _ ____ __ ________ ______
. It.
I . _ _
•••_•__ _ _
-* -* exp. prec. -2 known exp. prec. +4 +*
value
% Frequency distribution of responding labsCstd. dev. vs mean value)
<5A« _________ ____________ _ _
*U* _________ ________________
in- ..... ...... .... . — . .
10 .
-TJ
-* -4 std. dev. -2
•1 .
[I
II _ '
Ith.
Htlll.T.
A +2 std. dev. +4 +*
mean
value
• s No data submitted TAG SYMBOLS ft • Above control limit
0 = Insufficient data x = Determined to be an outlier U a Below control limit
-------
EMSL-LV Intel-comparison Study: Air Filter, 27-Mar-1992
9/28
Beta Statistical Summary 179 Participants
The known value of this nuclide is 41.0 pCi/F with an expected precision of 5.0; the control limits
are 32.3 to 49.7; the warning regions are 32.3 to 35.2 and 46.8 to 49.7
33(18.4 %) Failed to respond «„
16(8.9 %) Outliers '
7(3.9 %) Out of control •*"
but not an outlier
Statistic
; 116(64.8 %) Within all limits
Respondents
•- 7(3.9 %) 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
42.19
10.06
101.17
23.84
2.90
0.12
42.00
2.44
0.10
Grand Avg 42.32
3.31
10.98
7.83
3.23
0.40
42.00
2.44
0.30
23(15.8 %) Mora than 3 norm. S.D.
7(4.8 %) Between 2 and 3 norm. S.D. *
;84(57.5 %) Within 1 norm. S.D.
of known value
• 32(21.9 %) Between 1 and 2 norm. S.D.
-------
107
28
EMSL-LV Intel-comparison Study: Air Filter, 27-Mar-1992
Beta
Lab
A
AA
AB
AE
AF
AH
AI
AJ
AK
AL
AN
AP
AU
AZ
BA
BC
BG
BH
BI
BK
BL
BM
BO
BW
C
CA
CC
CE
CJ
CM
CO
CP
CQ
C8
D
DD
DE
DG
DH
m
DJ
DL
DM
DO
HI*
• =
0 m
Res. 1
41.0
37.0
49.0
37.0
39.0
41.0
40.0
41.0
45.0
44.0
43.0
42.0
41.0
43.0
41.0
, -
39.0
45.0
42.0
42.0
43.0
38.0
1&#
38.0
39.0
42.0
42.0
42.0
'
34.0
40.0
44.0
' , ffcd, -
38.0
45.0
39.0
41.0
40.0
..
49.0
43.0
53.0
49.0
Res. 2
42.0
36.0
47.0
37.0
37.0
41.0
40.0
42.0
43.0
41.0
43.0
44.0
41.0
40.0
42.0
, , , „
40.0
44.0
40.0
44.0
43.0
37.0
13*4
39.0
40.0
44.0
42.0
43.0
'
36.0
41.0
45.0
40.0
46.0
39.0
41.0
40.0
51.0
41.0
50.0
48.0
'
Res. 3
41.0
35.0
48.0
37.0
40.0
'
42.0
39.0
42.0
45.0
41.0
42.0
44.0
41.0
43.0
40.0
41.0
43.0
40.0
42.0
43.0
37.0
1&&
39.0
39.0
44.0
43.0
44.0
' ' * ' '"
37.0
41.0
44.0
40.0
44.0
39.0
40.0
39.0
52.0
43.0
48.0
> 48.0
No data submitted
Insufficient
data
x &
Exper. Rng anal Normalized deviation
Sigma (R + SR) Average (grand-avg) (known) Tag
0.58
1.00
1.00
0.00
1.53
0.58
0.58
0.58
1.15
1.73
0.58
1.15
0.00
1.73
1.00
",
1.00
1.00
1.15
1.15
0.00
0.58
0*00
0.58
0.58
1.15
0.58
1.00
'" '
1.53
0.58
0.58
1.15
1.00
0.00
0.58
0.58
1.53
1.15
2.52
0.58
-
0.118
0.236
0.236
0.000
0.354
0.118
0.118
0.118
0.236
0.354
0.118
0.236
0.000
0.354
0.236
••••
0.236
0.236
0.236
0.236
0.000
0.118
0;000
0.118
0.118
0.236
0.118
0.236
0.354
0.118
0.118
WW
0.236
0.236
0.000
0.118
0.118
0.354
0.236
0.591
0.118
41.33
36.00
48.00
37.00
38.67
41.33
39.67
41.67
44.33
42.00
42.67
43.33
41.00
42.00
41.00
" ' *
40.00
44.00
40.67
42.67
43.00
37.33
JIM>0
38.67
39.33
43.33
42.33
43.00
35.67
40.67
44.33
39.33
45.00
39.00
40.67
39.67
50.67
42.33
50.33
48.33
•• f
TAG SYMBOLS
Determined to
be an
outlier
-0.34
-2.19
1.97
-1.84
-1.27
-0.34
-0.92
-0.23
0.70
-0.11
0.12
0.35
-0.46
-0.11
-0.46
, , ,.
-0.80
0.58
-0.57
0.12
0.23
-1.73
•104$
-1.27
-1.04
0.35
0.00
0.23
-2.31
-0.57
0.70
-1.04
0.93
-1.15
-0.57
-0.92
2.89
0.00
2.77
2.08
ft & Above
II s Below
0.12
-1.73
2.42
-1.39
-0.81
*
0.12
-0.46
0.23
1.15
0.35
0.58
0.81
0.00
0.35
0.00
*••••
-0.35
1.04
-0.12
0.58
0.69
-1.27
•&70 X
-0.81
-0.58
0.81
0.46
0.69
*
-1.85
-0.12
1.15
urn x
-0.58
1.39
-0.69
-0.12
-0.46
*
3.35 ft
0.46
3.23 ft
2.54
* i
control limit
control limit
-------
EMSL-LV Intercomparison Study: Air Filter, 27-Mar-1992
Beta
Lab Res. 1
DT
DX
E
EA
EB
EF
EH
EL
EW
EX
EZ
FE
-FKr
FL
FO
FZ
GE
GI
HE
HI
HL
I
•14'
1C
EE
IU
IW
IY
J
JE
«f0
JS
JY
K
KF
KH
KL
KM
KX
L
LA
LE
LF
37.0
37.0
44.0
40.0
43.0
29.0
43.0
44.0
51.0
45.0
45.0
46.0
58,0
fr f .::• f '^Vfi-''4'k **
f f jjyO+^J-
40.0
f ,, .
42.0
42.0
- ' ' '",
45.0
39.0
49.0
41.0
' , &0
4,0
38.0
'
44.0
43.0
49.0
/ /
44.0
45.0
45.0
41.0
42.0
41.0
40.0
4.0
39.0
Res. 2
38.0
38.0
44.0
40.0
40.0
53.0
43.0
43.0
49.0
45.0
43.0
47.0
••; i^alo/;,/-^,'
40.0
, , ,
42.0
44.0
- / '
45.0
39.0
48.0
42.0
' :'„ '?/**'
; , -5,0 /"-
,4,0' -
39.0
46.0
43.0
48.0
/"' '<* '''",,-
44.0
43.0
44.0
40.0
42.0
39.0
40.0
4<0
41.0
Res. 3
39.0
38.0
44.0
39.0
41.0
47.0
43.0
43.0
52.0
45.0
43.0
47.0
'' '''&1&,
42.0
f
41.0
44.0
45.0
39.0
47.0
42.0
' '''' '',
'-> &0
- 4,0
37.0
x
47.0
43.0
49.0
''J:i'^'",-
44.0
44.0
46.0
37.6
42.0
41.0
42.0
4.0
39.0
• & No data submitted
0 m
Insufficient
data
X s
Exper.
Sigma
1.00
0.58
0.00
0.58
1.53
12.49
0.00
0.58
1.53
0.00
1.15
0.58
3.40
1.00
1.15
0.58
1.15
,
0.00
0.00
1.00
0.58
, -
- 0.00
0.00
1.00
1.53
0.00
0.58
' ' t -, - - ,..
0.00
1.00
1.00
2.08
0.00
1.15
1.15
o.oo
1.15
11/28
Rng anal Normalized deviation
(R + SR) Average (grand-avg) (known) Tag
0.236
0.118
0.000
0.118
0.354
4.496
0.000
0.118
0.354
0.000
0.236
0.118
0.23&
0.236
f
0.118
0.236
•*
0.000
0.000
0.236
0.118
f _, X f
, 0.000
0.000
0.236
0.354
0.000
0.118
/ , >
0.000
0.236
0.236
0.473
0.000
0.236
0.236
o.ooo
0.236
38.00
37.67
44.00
39.67
41.33
43.00
43.00
43.33
50.67
45.00
43.67
46.67
60.00
27;00
40.67
,
41.67
43.33
45.00
39.00
48.00
41.67
V s • ss
•• ' s ss f
' ' ,&00
4,00
38.00
45.67
43.00
48.67
f
44.00
44.00
45.00
39.33
42.00
40.33
40.67
4.00
39.67
TAG SYMBOLS
Determined
to be an
outlier
-1.50
-1.61
0.58
-0.92
-0.34
0.23
0.23
0.35
2.89
0.93
0.47
1.50
-&8I , - "
-0.57
-0.23
0.35
f
0.93
-1.15
1.97
-1.04
-1.15
1.04
-0.46
0.12
0.69
0.69
0.81
3.35 It
1.39
0.92
1.96
&58 x
-485 -X -
-0.12
.
0.23
0.81
'*
1.39
-0.69
2.42
-0.23 0.23
•*•* % f
j.4Hj tt^S f ^19 A"7 ' V
•**#*VW w **fr-* * ^
-13.28
-1.50
1.16
0.23
2.20
-'"'", ' - '",
0.58
0.58
0.93
-1.04
-0.11
-0.69
-0.57
-13.28
-0.92
11 s Above
ft- s Below
42,82 x
-1.04
1.62
0.69
2.66
*
1.04
1.04
1.39
-0.58
0.35
•
*
-0.23
-0.12
»
-12.82 x
-0.46
control limit
control limit
-------
127
28
EMSL-LV Intel-comparison Study: Air Filter, 27-Mar-1992
Beta
Lab
LR
LS
LT
LZ
M
MA
ME
ML
MN
MP
MQ
MS
MV
MX
N
NC
NH
NJ
NK
NO
jH»
NT
NZ
O
OA
OB
OK
OX*
OM
OZ
P
PB
PC
Pt»
PM
FP
PS
PT
F0
PV
PW
Q
QA
• =
0 =
Res. 1
51.0
38.0
43.0
40.0
40.0
43.0
40.0
$3.0
•• f
44.0
40.0
42.0
39.0
41.0
50.0
44.0
40.0
S&0-
59.0
£7$
41.0
43.0
44.0
45.0
43.0
-
/
36.0
'
42.0
0 42.0
-
-
44.0
'
44.0
'
42.0
52.0
45.0
42.0
Res. 2
50.0
38.0
44.0
41.0
41.0
45.0
40.0
60.0
^
_,
46.0
39.0
40.0
39.0
41.0
51.0
43.0
33.0
g&e
80«<*,
8&&
41.0
43.0
45.0
43.0
42.0
^
36.0
f t fS
41.0
40.0
• '* - */•*/'
' •"'', ' '
43.0
42.0
40.0
54#
46.0
42.0
Res. 3
52.0
40.0
44.0
41.0
42.0
43.0
42.0
' ' 9&A-
44.0
39.0
42.0
40.0
40.0
50.0
41.0
39.0
WL&
<&&
/6&# ;
42.0
f ^ •*/
s.
43.0
42.0
44.0
43.0
'
,',' s
38.0
' S * $
43.0
40.0
''"' " ' - ','
tf
43.0
41.0
•'
38.0
60.0
45.0
42.0
No data submitted
Insufficient
data
X is.
Exper.
Sigma
1.00
1.15
0.58
0.58
1.00
1.15
1.15
, (MX>
',*'••
r>
1.15
0.58
1.15
0.58
0.58
0.58
1.53
3.79
&
- ' 446
0.58
0.00
1.53
1.00
0.58
-
'" /' ' ••
1.15
:' ; /- ' ,
1.00
1.15
0.58
1.53
2.00
4*1$
0.58
0.00
Rnganal
(R + SR) Average
0.236
0.236
0.118
o:ii8
0.236
0.236
0.236
0J0£
0.236
0.118
0.236
0.118
0.118
0.118
0.354
0.827
0.70&
0.236
0,9415
0.118
0.000
0.354
0.236
0.118
0.236
0.236
0.236
0.118
0.354
0.473
0.945
0.118
0.000
51.00
38.67
43.67
40.67
41.00
43.67
40.67
60.00
••
44.67
39.33
41.33
39.33
40.67
50.33
42.67
37.33
98.00
60M
58.33
41.33
43.00
43.67
44.00
42.67
'
36.67
42.00
40.67
43.33
42.33
40.00
55,33
45.33
42.00
TAG SYMBOLS
Determined
to be an
outlier
Normalized deviation
(grand-avg) (known) Tag
3.01
-1.27
0.47
-0.57
-0.46
0.47
-0.57
*•**.'
'f
•.
0.81
-1.04
-0.34
-1.04
-0.57
2.77
0.12
-1.73
19.29
<6U2
8M
-0.34
0.23
0.47
0.58
0.12
-1.96
-0.11
-0.57
0.35
0.00
-0.80
4.51
1.04
-0.11
ft s Above
It s Below
3.46 It
-0.81
0.92
-0.12
0.00
0.92
-0.12
6.58 X
*
»
1.27
-0.58
0.12
-0.58
-0.12
3.23 It
0.58
-1.27
19J5 X
6 M X
&00 X
0.12
0.69
0.92
1.04
0.58
» -I
* :
-1.50
* 1
0.35
-0.12
»
»
0.81
»
*
0.46
» -
-0.35
4.9? x
1.50
0.35
control limit
control limit
-------
EMSL-LV Intercomparison Study: Air Filter, 27-Mar-1992
13/28
Beta
Lab
QB
QC
QD
QJ
QK
QM
Qtl
QW
QX
QZ
R
RG
RH
RJ
RK
RN
RO
RQ
RU
RW
S
SA
sc
SD
SF
SI
-m-.
SQ
SR
ss
, Wit
sw
"m
8Z
T
TA
TB
TE
TG
TH
X
Y
Z
• =
0 s
Res. 1
44.0
51.0
38.0
38.0
42.0
37.0
i&o,
,
44.0
42.0
42.0
47.0
38.0
41.0
'
f f ' f
48.0
47.0
41.0
45.0
44.0
42.0
37.0
50.0
40.0
41.0
'/ " , ' >'
41.0
46.0
45.0
"''''';'/ '''<''''' '£*
36.0
" '"JI&D^is
f f •"' S* *'
42.0
41.0
mo
$6,0
44.0
43.0
44.0
37.0
44.0
Res. 2
41.0
51.0
40.0
39.0
41.0
37.0
13,0
' ' , '
44.0
44.0
40.0
45.0
39.0
41.0
"'-'
' ' '' ' '
44.0
47.0
41.0
43.0
45.0
42.0
38.0
49.0
40.0
41.0
'-' ' '/'
44.0
49.0
rr ,45.0
f"''/>l/*'f '"''/',,
39.0
ll^ClMtK
&$?*$'?'& %'
tfi'" '/'•>„'' /
40.0
41.0
67,0
54.0
45.0
43.0
42.0
38.0
40.0
Res. 3
42.0
50.0
37.0
37.0
41.0
39.0
18& '
45.0
43.0
41.0
47.0
39.0
41.0
-'/"," '
49.0
47.0
42.0
41.0
43.0
42.0
39.0
55.0
41.0
41.0
',' ' "'" < ' ''
46.0
47.0
43.0
"W ""ffffff j. fS fff}
s^SJ^fs f'^g ^
42.0
>''" ;''1&fa'
;•• '*"/'",' ' ',,
41.0
43.0
60.0
59.0
43.0
43.0
41.0
40.0
41.0
No data submitted
Insufficient
data
X s
Exper.
Sigma
1.53
0.58
1.53
1.00
0.58
1.15
0,56
"
0.58
1.00
1.00
1.15
0.58
0.00
'
/ * *
2.65
0.00
•" f
0.58
2.00
1.00
0.00
1.00
3.21
0.58
0.00
'
2.52
1.53
1.15
,""/ •••••• ;
, 3.00
, o.oo
'..'
1.00
1.15
5.51
2.52
1.00
0.00
1.53
1.53
2.08
Rng anal Normalized deviation
(R + SR) Average (grand-avg) (known) Tag
0.354
0.118
0.354
0.236
0.118
0.236
0,118
0.118
0.236
0.236
0.236
0.118
0.000
",
'''
0.591
0.000
0.118
0.473
0.236
0.000
0.236
0.709
0.118
0.000
'
0.591
0.354
0.236
' '" ••
0.709
0,000
0.236
0.236
1.34$
0.591
0.236
0.000
0.354
0.354
0.473
42.33
50.67
38.33
38.00
41.33
37.67
-' ' 18,33''
/ •'••
44.33
43.00
41.00
46.33
38.67
41.00
f f S '
f f ' *
47.00
47.00
41.33
43.00
44.00
42.00
38.00'
51.33
40.33
41.00
43.67
47.33
44.33
/ ''', ,'f '", '
39.00
, 5,00
.
41.00
41.67
09,67
56.33
44.00
43.00
42.33
38.33
41.67
TAG SYMBOLS
Determined
to be an
outlier
0.00
2.89
-1.38
-1.50
-0.34
-1.61
-6.S1
f
0.70
0.23
-0.46
1.39
-1.27
-0.46
' ',''*'" r
- ''
1.62
1.62
-0.34
0.23
0.58
-0.11
-1.50
3.12
-0.69
-0.46
•
0.47
1.74
0.70
* * f ' ••- ffy ff f
"" j- •" s
-1.15
*I2*03"- '-
-0.46
-0.23
9,47
4.86
0.58
0.23
0.00
-1.38
-0.23
It s Above
JJ s Below
0.46
3.35 ft
-0.92
-1.04
0.12
-1.15
-7.8S- , X
*
1.15
0.69
0.00
1.85
-0.81
0.00
9 "
*
2.08
2.08
0
0.12
0.69
1.04
0.35
-1.04
3.58 It
-0.23
0.00
••
0.92
2.19
1.15
V f/f '
'' *' ' *, -
-0.69
43,47 x
0 '
0.00
0.23
9.93 x
5.31 x
1.04
0.69
0.46
-0.92
0.23
control limit
control limit
-------
14/28
Beta
EMSL-LV Intel-comparison Study : Air Filter, 27-Mar-1992
Data sorted by Laboratory Average
A
Average
4.00
4.00
5.00
5.00
13.00
18,33
27.00
35.67
36.00
36.67
37.00
37.33
37.33
37.67
37.67
38.00
38.00
38.00
38.00
38.33
38.33
38.67
38.67
38.67
38.67
39.00
39.00
39.00
39.33
39.33
39.33
39.33
39.33
39:67
39.67
39.67
39.67
40.00
40.00
40.33
40.33
40.67
40.67
40.67
• = No data
Tag Lab
x LE
x BE
x SY
x 1C
x BW
x QU
x FK
CO
AA
OM
AE
NJ
BO
QM
DX
SC
QJ
IU
DT
Y
QD
RH
LS
C
AF
SW
HI
DE
MX
MS
KF
D
CA
LF
EA
DH
AJ
PV
BH
SF
KX
PB
N
ME
Average Tag
40.67
40.67
40.67
40.67
40.67
40.67
41.00
41.00
41.00
41.00
41.00
41.00
41.00
41.33
41.33
41.33
41.33
41.33
41.33
41.33
41.67
41.67
41.67
41.67
41.67
42.00
42.00
42.00
42.00
42.00
42.00
42.33
42.33
42.33
42.33
42.33
42.67
42.67
42.67
42.67
43.00
43.00
43.00
43.00
submitted TAG SYMBOLS
0 = Insufficient data x s Determined to be. an
Lab
LZ
L
FL
DG
CP
BK
T
SI
RJ
R
M
BC
AZ
RU
QK
NT
MV
EB
AI
A
Z
TA
I
FZ
AK
SA
QA
p
KB
BA
AN
X
QB
PT
DL
CE
OB
NH
BL
AP
TH
RW
QZ
NZ
Average Tag
43.00
43.00
43.00
43.00
43.00
43.33
43.33
43.33
43.33
43.33
43.67
43.67
43.67
43.67
43.67
44.00
44.00
44.00
44.00
44.00
44.00
44.00
44.33
44.33
44.33
44.33
44.67
45.00
45.00
45.00
45.00
45.33
45.67
46.33 .
46.67
47.00
47.00
47.33
48.00
48.00
48.33
48.67
50.33 IT
50.33 IT
IT s Above control
outlier & s Below control
Lab
J
EH
EF
CJ
BM
PM
GE
EL
CC
AU
SQ
O
MA
LT
EZ
TG
S
OA
JY
JS
E
BI
ss
QX
CQ
AL
MQ
K
HE
EX
DD
Q
IY
RG
FE
RQ
RO
SR
HL
AB
DO
JE
NC
DM
limit
limit
-------
EMSL-LV Intel-comparison Study: Air Filter, 27-Mar-1992 15/28
Beta
Data sorted by Laboratory Average
Average Tag Lab Average Tag Lab Average Tag Lab
50.67 ft QC 51.33
50.67 ft EW 55.33
50.67 ft DJ 56.33
51.00 ft LR 58.33
60.00
ft SD 60.00 x ML
x PW 60.00 x FJ
x TE 63.67 x CS
x NP 69.67 x TB
x NO 98.00 x NK
% Frequency distribution of responding labs(expected prec. vs known value)
I0.
O-P,. — — *T*
. -t.il! 1 '
lilllllilii-_. _•_ _ _ _i
-6 -4 exp.prec. -2 known *2 exp' prec> +4 **
value
% Frequency distribution of responding labs(std. dev. vs mean value)
10'
. H
~ II _ ___••••!•
•* -4 std. dev. -2
•li In .
IIMII f • T IT_ _ _ I
0 ' +2 std. 'dev. +•* ' +>*
mean
value
• s No data submitted TAG SYMBOLS ft = Above control limit
0 s Insufficient data x s Determined to be an outlier li = Below control limit
-------
EM8L-LV Intel-comparison Study: Air Filter, 27-Mar-1992
16/28
Strontium 90 Statistical Summary 179 Participants
The known value of this nuclide is 15.0 pCi/F with an expected precision of 5.0; the control limits
are 6.3 to 23.7; the warning regions are 6.3 to 9.2 and 20.8 to 23.7
1O7(59.8 %) Failed to respond •
7(3.9 %) Outliers
Statistic
. 64(35.8 %) Within all limits
Respondents
* 1(O.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
15.89
7.10
50.46
44.70
5.93
0.13
14.67
-2.22
-0.05
Grand Avg 14.59
2.27
5.16
15.56
-2.70
-0.18
14.67
-2.22
-0.15
7(9.7 %) Mora than 3 norm. S.D. «.„
1(1.4 %) Between 2 and 3 norm. S.D.'
. 55(76.4 %) Within 1 norm. S.D.
• of known value
*• 9(12.5 %) Between 1 and 2 norm. S.D.
-------
177
28
EMSL-LV
y
Intercomparison Study: Air Filter, 27-Mar-1992
Strontium 90
Lab
A
AA
AB
AE
AF
AH
AI
AJ
AK
AL
AK
AF
AU
AZ
BA
BC
BG
US
BI
BK
BL
BM
BO
BW
CA
/Vt
\J\S
€E
CJ
, .... , .... ', ,
-
10.0
16.0
15.0
*" •* •* f f
14.0
. ;<4
12.0
t ' ,
16.0
10.0
15.0
16.0
11.0
S4.0
15.0
m.$
17.0
' f
No data submitted
Insufficient
data
X S
Exper.
Sigma
0.00
1.00
'
0.58
'
1.00
'
0.00
1.00
'•'
"' •*
1J3
2.08
2.52
.•
> «.' .•
, * f *
1.53
1.00
1.00
•*
0.58
_.
0.58
' f ,
1.15
0.00
0.58
0.58
0.58
L7£
0.00
3,00
'
1.53
Rng anal Normalized deviation
(R + SR) Average (grand-avg) (known) Tag
0.000
0.236
,
0.118
0.236
0.000
0.236
0.354
0.473
0.591
.. t ....
, ,
^
0.354
0.236
0.236
'
0.118
0.118
f
0.236
0.000
0.118
0.118
0.118
0.354
0.000
0.709
0.354
14.00
14.00
^
,'• * *
14.67
/ /
15.00
,
15.00
16.00
••
-
29.6t
12.33
16.67
,
'
** " f '' i ff *fff f ff f * f '
11.67
16.00
14.00
13.67
11
, , , .^
12.67
f.
15.33
10.00
14.67
15.67
10.67
35,00 ,
15.00
40.00
16.67
s ^
TAG SYMBOLS
Determined
to be an
outlier
-0.21
-0.21
0.02
0.14
-• *•
0.14
0.49
,
5.22
-0.78
0.72
'-
' ,' /
-1.01
0.49
-0.21
ff
-0.32
""" /'
•" '
-0.67
*
' ,-. ',
0.26
-1.59
0.02
0.37
-1.36
7.07 ,
0.14
1192
0.72
tt & Above
JJ. = Below
-0.35
-0.35
*,
*
-0.12
*
0.00
•
0.00
0.35
•
*
*
&08 X
-0.92
0.58
*
»
- - ' * i
»
-1.15
0.35
-0.35
m- ;
-0.46
^
-0.81
*
0.12
-1.73
-0.12
0.23
-1.50
6.93 x
0.00
*
11.78 x
I
0.58
« ;
control limit
control limit
-------
EMSL-LV Intel-comparison Study: Air Filter, 27-Mar-1992
18/28
Strontium 90
Lab
D9T'''
E
JJBA*
EB
1§F ' '„'
EH
EL
JEW., ...:
'Wt '
EZ
FE
FJ
FK
Wtff ''
FO
#E'~ -l
m
HE
m - -
JBEL
I
1C
1& ,
*t)V">
jar ^
nt ' "
j
JE
: &, '*;>,,
JS
JY
K
fLf * ? '
KH
KM
KX
L
LA
&B ' '
LF
•Of
• s No
Res. 1
;'''//-*"''
16.0
'
15.0
' ' ',, *
14.0
14.0
.,, ...;
',
12.0
16.0
18.0
19.0
-''
- ,
2
'
17.0
f
'
'
15.0
' , -
Res. 2
*'''J'*sf '-'
16.0
f "v * ^
16.0
', "' r
14.0
13.0
_, .V
' , ' > '
13.0
15.0
19.0
20.0
'
' s "•.
'', ;" ' < :
'
18.0
•" ^ f f
' , '/
' ' / /
15.0
'/' 'T"''
.... .v.. .. S,', .. " iv '.;
"" s '''','"
'*,'," J ' ' ',
17.0
10.0
'/ ' '' "- ",
16.0
15.0
15.0
' ''"'"':
15.0
14.0
•'
-
';, ',!'',,?'/"'}
"? < , ''; ' '
16.0
13.0
-/ -" ,*"'*'-/
16.0
13.0
15.0
',' * t ' ' ' '
16.0
14.0
Res. 3
S , * ' f ,
16.0
'
15.0
f fff f sj s f * jfs f
14.0
15.0
.... ...... ^ ', ',
' '''
12.0
15.0
16.0
19.0
f * f f f
' s s ,
'' ' ?*,'
' f '
18.0
' - ,'
'/ ', ' '
,/
15.0
,//' !*'?/?,
'', '"'/ ' S ''' '
$s '," ^ e ' ' ' //'
Exper.
Sigma
s '''', '„ '• ' -
0.00
*-/' ' '
0.58
f
0.00
1.00
; .. ../ ' .. ..
' '
0.58
0.58
1.53
0.58
'' _,
ff f f _,
'' '
•• '
0.58
_.
, ' ''
;'
0.00
f £ f f f
/'
/'' ''' -'^ ' ;"'
Rng anal
(R + SR)
0.000
' , , *
0.118
f '
0.000
0.236
f '•
•" f
0.118
0.118
0.354
0.118
'
' ', '
f
'
0.118
,
0.000
/ •?
.'
16.00
,
15.33
'''"'•> -, '
14.00
14.00
',','',' ' -
'; ,
12.33
15.33
17.67
19.33
f f M f f ff
/ f
.- .:::• .-f .-
' ,'
"<, ' ''
17.67
''
'','',
'
s
15.00
'.'
,- '• '"/ " ' ''
•"f ^ •" j- f v f j- s ;f
(grand-avg) (known) Tag
' ' ;, '- ' ''"^ "!,'"'
0.49
''''/','
0.26
' - , ' '
-0.21
-0.21
'
» ,"' , '* ' '
-0.78
0.26
1.06
1.64
'-•''''
* ^ ?
•"
1.06
-' ",
, , ' ,
0.14
,
'' / ' ' , ' 4 '
' '+ {
0.35
, -' ' *
0.12
•* /"
-0.35
-0.35
;, , *
••
-0.92
0.12
0.92
1.50
•
>/, .. ,*
*
*
0.92
*
*
*'
0.00
*
* '
,,-, f.
:'**•«"*,',*'" „'," > ""' ' ', ',!•:'.•' ,.. .::• '':; "~ .,.-,,,'' »
,';'«''',,'•> - ' ' - • *
17.0
^ /w12.0_
' 'J/-W "i* •••> *" ^
16.0
14.0
18.0
' '
14.0
15.0
'
*
0.58
1.53_
/,
0.00
1.00
1.73
1.00
0.58
'
/
0.118
0.354
'' ' "
0:000
0.236
0.354
*•
0.236
0.118
%
'
16.67
11.67
' ' *
16.00
14.00
16.00
15.00
-
14.33
0.72
-1.01
.-,
0.49
-0.21
0.49
'
0.14
'
-0.09
0.58
-1.15
' *
0.35
-0.35
0.35
*
0.00
.
-0.23
•
•>
*
*
f J f
data submitted
0 3 Insufficient
data
x =
TAG SYMBOLS
Determined
to be an outlier
It s Above
11 s Below
control limit
control limit
-------
19 /
28 EMSL-LV
Strontium 90
Lab Res. 1 Res. 2
LR
LS
i/r
LZ
M
MA
ME
ML
MN
MP
MQ
MS
MV
ME
IT
NO
NH
NJ
NK
NO
NP
HT
f^V
NSK
o
0A
OB
OK
01*
OM
OZ
F
PB
PC
Pt>
PM
PP
PS
PT
PtJ
PV
PW
Q
,,M
• ^
0 s
19.0 16.0
•'
•' -
-
13.0 12.0
14.0 14.0
15.0 16.0
15.0 14.0
,. .. ,,,; I. , .. , ..
20.0 16.0
1& - £&
„
22.0 22.0
.•
' ...-.• .. .. ;
,
••
f f
. . .<..., .. * .' ..
' f * * f
, ',,, ,,, ',,-.. ,, 'J^,,.
15.0 15.0
-. ; ' ; ' ??F;
13.0 13.0
11.0 14.0
16.0 15.0
10.0 9.0
17.0 18.0
•" f '
No data submitted
Insufficient data
Intercomparison
Res. 3
20.0
•' •'
•p
' •
12.0
15.0
•"
'
17.0
13.0
••
/
'
16.0
6.D
26.0
•"
',
'
':'";"^'A
.• S.;,. ..'...- .V '*
15.0
; ,-•• •' ••••'^
12.0
12.0
15.0
10.0
18.0
'
Exper.
Sigma
2.08
•'
0.58
,
0.58
1.00
1.00
' ", -' " "
2.31
, " l€S
2.31
,'
'••
-
,
.>V-
'•••i'"' '*' '
0.00
0.58
1.53
0.58
0.58
0.58
_, •
Study: Air Filter, 27-Mar-1992 1
Rng anal
(R + SR) Average
0.473 18.33
....-
•'
'
0.118 12.33
-
0.118 14.33
*•
0.236 16.00
0.236 14.00
', • - - '
0.473 17.33
€U&1 |k^&
0.473 23.33
-
•" f
,
f
.•
f
' " ' ' " , < ' '
, '
0.000 15.00
0.118 12.67
0.354 12.33
0.118 15.33
0.118 9.67
0.118 17.67
TAG SYMBOLS
x =
Determined to be an outlier
Normalized deviation
(grand-avg) (known) Tag
1.30
•'
,
^
-0.78
T
-0.09
•*
0.49
-0.21
-
0.95
-4X&
3.03
.. ....
..
..
f
s
'
0.14
-0.67
-0.78
0.26
-1.71
1.06
It a Above
11 s Below
1.15
" / " » "
-. *
*
-0.92
* i
-0.23
«
*
»
0.35
-0.35
•
* *
0.81
A *tiB' JLA
•»klwt X :
»
2.89
*. \
*
«
..*,..
*
*
»
,,, .. * ;
, , * i
*
# ,
» i
0.00
#
-0.81
-0.92
*
0.12
»
-1.85
*
0.92
* \
control limit
control limit
-------
1 EMSL-LV Intercomparison Study: Air Filter, 27-Mar-1992
20/28
Strontium 90
Lab
QJ
OK
QM
QU
QW
f
QX
QZ
R
RH
W
'-'j£
SC
s»
SF
SI
" 8P
SQ
ss
SW
: '81?'
r'8z;
T
TA
TB
TG
X
Z
Res. 1
12.0
11.0
14.0
'" '- '5x0 '
-
•*
f
12.0
14.0
15.0
_. f f
' f / ff "' •/ •" *
14.0
28*0
9.0
14.0
' ' ', '''
> ' * / '' "" /'
15.0
14.0
w .• • fff ^'"L fju jfff
f * t * If
^ *" ^ ' -1"''''--:; *s*
13.0
16.0
17.0
15.0
14.0
Res. 2
13.0
12.0
14.0
^.0
/
••
_, f f
14.0
12.0
15.0
' ,, / ' ,,
" , ***
;X'-i '>'
16.0
'-%&&
11.0
21.0
* '' , '
", ,,•'••;•', '
15.0
13.0
I^^'j^***
K&'fefj*:",
14.0
17.0
15.0
15.0
Res. 3
12.0
11.0
14.0
?J .-.' ®& ,
f
•*
.. •*
14.0
12.0
15.0
, :.:,/;,,, ',r
't\;',T-
'v*^' ^^;
16.0
SS4.0-
11.0
8.0
,
-" j, '/*"">/
. ^ 14.0^
15.0
/ ''''&? 3Mj'
"" '
15.0
15.0
12.0
14.0
14.0
• s No data submitted
0 =
Insufficient
data
X s
Exper. Rng anal Normalized deviation
Sigma (R + SR) Average (grand-avg) (known) Tag
0.58
0.58
0.00
0.00
f
1.15
1.15
0.00
,-•
f
' , ^/
f '""'"'" V
1.15
too
1.15
6.51
'
' , -', '
0.58
1.00
"/^""'J 7 ',, ,
f '
1.00
1.00
,
0.58
0.58
0.118
0.118
0.000
&S00
/
0.236
0.236
0.000
'-
^ita
-,.. ^ ... ..
0.236
.. 0,206
0.236
2.020
'
•'•'
0.118
0.236
f j
f f
0.236
0.236
'
0.118
0.118
/".. f Sf X ^ , ' "f s ' % '
/-. •r:' ^ '' »<• "•"* ^J ' ""T ' ^
12.33
11.33
14.00
sloo
' / ,
/ A
, .• ,
13.33
12.67
15.00
.,*M^'
.y.. '/,,^T',';
15.33 0
, M.OO
10.33
14.33
^
•'
14.67
14.00
'•'*, "," .y, ;,t; ',;
14.00
16.00
14.67
14.33
TAG SYMBOLS
Determined
to be an
outlier
-0.78
-1.13
-0.21
&& '
, ' f ' ,
*
, '
-0.44
-0.67
0.14
md ;
.,<,:.;,. ,,- ,/-
0.26
3*26
-1.48
-0.09
t
0.02
-0.21
-1 ' ,-f
-0.21
0.49
0.02
-0.09
ft = Above
11 s Below
-0.92
-1.27
-0.35
-3.48 ' X
*
,
*
-0.58
-0.81
_. 0
0.00
.. #
*
tttt x
* '
0.12
&1$ x.
-1.62
-0.23
•
'
-0.12
-0.35
' 0
t
-0.35
0.35
•
0
-0.12
-0.23
control limit
control limit
-------
21/28
EMSL-LV Intercomparison Study:
Air Filter, 27-Mar-1992
Strontium 90
Data sorted by Laboratory Average
Average
3.00
5.00
9.67
10.00
10.33
10.67
11.33
11.67
11.67
12.33
12.33
12.33
12.33
12.33
12.67
12.67
12.67
13.33
13.67
14.00
14.00
14.00
14.00
14.00
Tag Lab
x NK
x QU
PV
CS
SF
DE
QK
JE
BL
QJ
PP
M
EZ
BA
R
PM
CJ
QZ
CA
T
SW
QM
MS
°JY
Average Tag
14.00
14.00
14.00
14.00
14.00
14.33
14.33
14.33
14.33
14.67
14.67
14.67
14.67
15.00
15.00
15.00
15.00
15.00
15.00
15.00
15.33
15.33
15.33
15.33
Lab
EL
EH
BO
AA
A
Z
SI
ME
KX
X
ss
D
AF
RH
PB
KH
1C
DH
AK
AI
sc
PT
FE
EB
Average Tag
15.33
15.67
16.00
16.00
16.00
16.00
16.00
16.00
16.00
16.67
16.67
16.67
17.33
17.67
17.67
17.67
18.33
19.33
23.33
24.00 x
29.67 x
35.00 x
49.00 x
49.67 x
Lab
CQ
DD
TA
MQ
K
JS
E
BM
AL
J
DO
BC
NJ
Q
HE
FJ
LR
FK
NP
SD
AZ
DG
DJ
RU
% Frequency distribution of responding labs( expected prec. vs known value)
10: ;:::;;:::::::::: L^ .::::::::::::::::::::..::::
10 . Ihii
-6
. •• •••.••••II
• 1 1 . • * • i
"* exD. prec. ~* •, "
known
value
LI. ...
+2 exp. prec. +*
i
+6
% Frequency distribution of responding labs(std. dev. vs mean value)
10* - - -
-6
.
-4 std. dev. -2 ^^
value
....
+2 std. dev. +4
• s No data submitted TAG SYMBOLS ft s Above control
0 s Insufficient data x s Determined to be an outlier JJ- s Below control
1
+6
limit
limit
-------
EM8L-LV Intel-comparison Study: Air Filter, 27-Mar-1992
22/28
Cesium 137 Statistical Summary 179 Participants
The known value of this nuclide is 10.0 pCi/F with an expected precision of 5.0; the control limits
are 1.3 to 18.7; the warning regions are 1.3 to 4.2 and 15.8 to 18.7
5O(27.9 %) Failed to respond ,
8(4.5 %) Outliers '
Statistic
. 117(65.4 %) Within all limits
Respondents
"• 4(2.2 %) 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
15.35
35.35
1249.86
230.33
53.49
0.15
10.67
6.67
0.02
Grand Avg 11.02
2.08
4.31
18.83
10.22
0.49
10.67
6.67
0.32
8(6.2 %) More than 3 norm. S.D. ».
4(3.1 %) Between 2 and 3 norm. S.D. *
;98(76.O %) Within 1 norm. S.D.
of known value
19(14.7 %) Between 1 and 2 norm. S.D.
-------
[as/
28
f Cesium 137
Lab Res. 1
A
AA
AB
AE
AF
AH
AI
AJ
AK
AL
AN
AP
AU
ASS
BA
BC
BG
BH
BI
! BK
BL
BM
BO
BW
C
CA
CC
CE
CJ
CM
CO
CP
CQ
cs
D
DD
DE
DG
DH
DI
DJ
DL
DM
DO
HP
• =
, 0 •
11.0
12.0
16.0
11.0
13.0
12.0
9.0
,.
15.0
9.0
15.0
13.0
11.0
2MU&
8.0
11.0
5.0
14.0
W&
9.0
10.0
11.0
11.0
10.0
10.0
, ,' ,
9.0
- 12.0
„ - ' ,
_17.0
12.0
16.0
9.0
10.0
11.0
8.0
10.0
10.0
1.0
13.0
11.0
14.0
•"
EMSL-LV Intel-comparison Study: Air Filter, 27-Mar-1992
Res. 2
10.0
12.0
17.0
12.0
14.0
13.0
10.0
,
15.0
3.0
17.0
11.0
11.0
' 24.0 -
8.0
10.0
6.0
12.0
' ' 17.0 ..
10.0
11.0
12.0
10.0
10.0
10.0
^ f
9.0
9.0
, /
15.0
12.0
16.0
9.0
11.0
11.0
8.0
11.0
10.0
5.0
12.0
10.0
13.0
•"
Res. 3
10.0
11.0
15.0
14.0
12.0
14.0
9.0
' ' '
15.0
7.0
16.0
8.0
11.0
24.0
10.0
12.0
5.0
12.0
9*6
9.0
10.0
11.0
11.0
10.0
10.0
''1.
9.0
12.0
'-, / ••
14.0
12.0
15.0
9.0
11.0
10.0
9.0
11.0
10.0
1.0
14.0
10.0
12.0
•"
No data submitted
Insufficient
data
X 3
Exper.
Sigma
0.58
0.58
1.00
1.53
1.00
1.00
0.58
0.00
3.06
1.00
2.52
0.00
< 0.00
1.15
1.00
0.58
1.15
•4&S4
,
0.58
0.58
0.58
0.58
0.00
0.00
*
0.00
1.73
'/ ,'<'
1.53
0.00
0.58
0.00
0.58
0.58
0.58
0.58
0.00
2.31
1.00
0.58
1.00
- , ' '
Rng anal Normalized deviation
(R + SR) Average (grand-avg) (known) Tag
0.118
0.118
0.236
0.354
0.236
0.236
0.118
0.000
0.709
0.236
0.591
0.000
0.000
0.236
0.236
0.118
0.236
< l&44t
•• ••
0.118
0.118
0.118
0.118
0.000
0.000
0.000
0.354
0.354
0.000
0.118
0.000
0.118
0.118
0.118
0.118
0.000
0.473
0.236
0.118
0.236
10.33
11.67
16.00
12.33
13.00
13.00
9.33
•"
15.00
6.33
16.00
10.67
11.00
24.00
8.67
11.00
5.33
12.67
4&0&
, ,
9.33
10.33
11.33
10.67
10.00
10.00
9.00
11.00
'
15.33
12.00
15.67
9.00
10.67
10.67
8.33
10.67
10.00
2.33
13.00
10.33
13.00
TAG SYMBOLS
Determined
to be an
outlier
-0.24
0.22
1.72
0.45
0.69
0.69
-0.58
'
1.38
-1.62
1.72
-0.12
-0.01
4.50
-0.82
-0.01
-1.97
0.57
11.0$
••
-0.58
-0.24
0.11
-0.12
-0.35
-0.35
,, ,
-0.70
-0.01
'; „
1.49
0.34
1.61
-0.70
-0.12
-0.12
-0.93
-0.12
-0.35
-3.01
0.69
-0.24
0.69
.•
ft s Above
Jl = Below
0.12
0.58
2.08
0.81
1.04
1.04
-0.23
*
1.73
-1.27
2.08
0.23
0.35
4.85 X
-0.46
0.35
-1.62
0.92
1143 X
*
-0.23
0.12
0.46
0.23
0.00
0.00
•• #
-0.35
0.35
- , •- *
1.85
0.69
1.96
-0.35
0.23
0.23
-0.58
0.23
0.00
«
-2.66
1.04
0.12
1.04
*
control limit
control limit
-------
I EMSL-LV Intel-comparison Study : Air Filter, 2 7- Mar- 199 2
Cesium 137
Lab
DT
, ui^ttf:
'JDXj
E
EA
EB
>WP''
EH
EL
JBW,
EX
EZ
FE
Wf:
FK
FL
FO
FZ
GE
GI
HE
HI
HL
-I',"
IA
1C
f iU^^f*
'SB'' "'
IU
m
. if»-
j
JE
' f Ml s
«Cr
JS
JY
K
KH
KL
KM
KX
L
LA
LE
LF
LM
• =
0 3
Res. 1
10.0
''.V ' ' .• '•/*." ''"%>, '.
'„ /*,'*'"%* Jff'fA
11.0
9.0
10.0
-' ••' ./, '' '
f" f f
12.0
12.0
•* f f Jf f
11.0
12.0
12.0
, '. <, %&$ ''
8.0
14.0
*' ff '
9.0
11.0
10.0
10.0
9.0
12.0
•. ff f f-ff f fff fff
f f fff -
9.0
12.0
•* f f ^
.... .. ^.. ^/
12.0
Res. 2 Res. 3
10.0
ff- fffff. f f fff fff fff ff^fff
'/, ', / \ " „ ,''
13.0
10.0
11.0
'' / S ' f
10.0
10.0
' ',; ' , f ' '<
11.0
11.0
13.0
. " 2&0, '. '"'
8.0
13.0
', ',"'," '_ , ,
10.0
13.0
11.0
10,0
9.0
11.0
9.0
10.0
, f f f f ^ f f j
'"'','*/' ,""'"' /'''"''
12.0
10.0
' ' <• ' f .
" , '/ "
12.0
10.0
11.0
' ,t.
10.0
10.0
, * ' ' '',
13.0
16.0
11.0
«M>j
9.0
13.0
10.0
12.0
10.0
10.0
9.0
12.0
''' , ..'/*
9.0
11.0
./• ,.
!. ; '" '' ,
1.15
1.15
' * / -
1.15
2.65
1.00
' too
0.58
0.58
,'
0.58
1.00
0.58
0.00
0.00
0.58
'' >' : ',' "' "'>
0.00
1.00
f
, ,,, f .... , ....
0.00
; 't, f
"-',- ' -,'; , '"
0.00
0.58
^ f f ^ ff f
// 1 '/ff f ''
1.53
1.15
2.08
0.00
0.00
1.00
0.58
1.00
0.58
1.00
Rnganal
(R + SR) Average
0.000
' / "'?"" ',
',' s / '
0.236
0.118
0.118
, 'J/ :"
0.236
0.236
, ' ,
0.236
0.591
0.236
': $3m
0.118
0.118
--
0.118
0.236
0.118
0.000
0.000
0.118
' ,
0.000
0.236
f
' '' ,
p.ooo
" ','/'»
'
0.000
0.118
f Jf-f f
"4 '
0.354
0.236
0.473
0.000
0.000
0.236
0.118
0.236
0.118
0.236
""
10.00
f f fffyfS ff 'ff
'f f '*' *'f **sf
12.00
9.67
10.67
, ' •' -/ - ,/-\
10.67
10.67
'
11.67
13.00
12.00
..;.., ,,/ .;24i(xi ,
8.33
13.33
",
9.67
12.00
10.33
10.00
9.00
11.67
' ,'", " ' ", ;
9.00
11.00
f f f fff
•• '
12.00
- ? ' •••"'•• ";v;fr •••-•
^'' '"'''', %;-'"
10.00
10.33
^ f f f ff tt ftffff f
"'i , ', ',"*i, ,
12.33
14.33
11.33
9.00
12.00
10.00
12.67
10.00
13.67
11.00
, f
TAG SYMBOLS
Determined
to be an
outlier
24/28
Normalized deviation
(grand-avg) (known) Tag
-0.35
ff ff f fff fpff-^ -"f^
s'/''t/~ f; " ,'»','»
0.34
-0.47
-0.12
, ,, f, v,, , ,, ,
-0.12
-0.12
f f f Jif
0.22
0.69
0.34
,- '' 4.§0' '
-0:93
0.80
' _,
-0.47
0.34
-0.24
-0.35
-0.70
0.22
', f ^ ,'' ,, ,
-0.70
-0.01
/ f f^
f ' '' *' *
0.34
':;*r;'^"'/.
' , '•' •;•• •• '' f '
-0.35
-0.24
f ffff f/ f
\ '& * •. " •""
0.45
1.15
0.11
-0.70
0.34
-0.35
0.57
-0.35
0.92
-0.01
'
IT s Above
•U s Below
0.00
"f f,f^ff f ff f f f f
'' ' ''* ''
0.69
-0.12
0.23
"' ' " *
0.23
0.23
, *
0.58
1.04
0.69
4.85 x
-0.58
1.15
m '
-0.12
0.69
0.12
0.00
-0.35
0.58
•
-0.35
0.35
f
*
0.69
' ", *
-, '' *
0.00
0.12
_,_, •"
*
0.81
1.50
0.46
#
-0.35
0.69
0.00
0.92
0.00
*
1.27
0.35
»
control limit
control limit
-------
25 /
28
EMSL-LV Intel-comparison Study: Air Filter, 27-Mar-1992
Cesium 137
Lab
LR
LS
LT
LZ
M
MA
ME
ML
MN
MP
MQ
MS
MV
MX
N
NO
NH
NJ
NK
NO
NP
I**
NZ
O
OA
OB
OK
OL
OM
0$
OSE
T^ff*.
F
PB
PC
FB
PM
FF
FS
FT
FU
PV
FW
Q
..M.
Res. 1
13.0
'
9.0
10.0
9.0
10.0
17.0
11.0
14.0
10.0
13.0
*
14.0
11.0
9.0
8.0
12.0
f ff
12.0
11.0
11.0
10.0
13.0
f '
f
10.0
' , .. ..
' -y
'"i«& ,
10.0
-
10.0
15.0
i-
16.0
S&9
9.0
'
Res. 2
17.0
•"
9.0
11.0
9.0
9.0
15.0
•* f
14.0
14.0
10.0
13.0
13.0
11.0
10.0
7.0
f
11.0
" . \,^
11.0
9.0
12.0
9.0
12.0
\ f f
f
10.0
••••/ '' *•
' ' * '
' $4#>^
10.0
*" f f f
' /•
8.0
*•
13.0
18.0
3«XJ
10.0
•" /•* %
Res. 3
13.0
f
9.0
12.0
11.0
10.0
15.0
,
13.0
14.0
10.0
15.0
"
13.0
11.0
11.0
14.0
10.0
"" f
10.0
11.0
13.0
10.0
11.0
11.0
• ", .• ' ,
•* w f
'•'!&&
10.0
'..
'••
12.0
14.0
18.0
35.0
10.0
' ' '
• s No data submitted
0 =
Insufficient
data
X i
Exper. Rng anal
Sigma (R + SR) Average
2.31
' !
0.00
1.00
1.15
0.58
1.15
' * ' '
1.53
0.00
0.00
1.15
,, ,
0.58
0.00
1.00
3.79
-
1.00
,'' ' '
1.00
1.15
1.00
0.58
1.00
0.58
•'X f •••• ^
fff S* * ,
f 's ' ' '
0.00
f f
2.00
1.00
1.15
1.73
0.58
/• -s--" ^
0.473
0.000
0.236
0.236
0.118
0.236
0.354
0.000
0.000
0.236
•• ••
0.118
0.000
0.236
0.827
0.236
-"'
0.236
0.236
0.236
0.118
0.236
0.118
0.236
0.000
0.473
0.236
0.236
0364
0.118
14.33
9.00
11.00
9.67
9.67
15.67
12.67
14.00
10.00
13.67
13.33
'
11.00
10.00
9.67
11.00
"
11.00
10.33
12.00
9.67
12.00
f f
.-
10.33
f f f <•
-
W.W
10.00
10.00
14.00
17.33
$7*00
9.67
TAG SYMBOLS
= Determined to
be an
outlier
Normalized deviation
(grand-avg) (known) Tag
1.15
"'
-0.70
-0.01
-0.47
-0.47
1.61
-
0.57
1.03
-0.35
0.92
,
0.80
-
-0.01
-0.35
-0.47
-
-0.01
- *
-0.01
-0.24
0.34
-0.47
0.34
,,, , " , - , -
-0.24
^
•• '
' / 4J4 -
-0.35
-0.35
1.03
2.19
9.00
-0.47
ft s Above
II = Below
1.50
»
-0.35
*
0.35
-0.12
-0.12
1.96
*
0.92
1.39
0.00
1.27
•• •• *
1.15
«
0.35
0.00
-0.12
.. »
0.35
»
0.35
0.12
0.69
-0.12
0.69
«
0.12
»
* .
*2&- "x \
0.00
*
*
0.00
»
*
1.39
» :
2.54
Q QK %t
-0.12
*
control limit
control limit _,
-------
EMSL-LV Intercomparison Study: Air Filter, 27-Mar-1902
26/28 1
Cesium 137
Lab
QB
-QO-
QD
QJ
QK
QM
QU
.'*{V
Q3C
QZ
R
HG
RH
RJ
RK
RN
RO
RQ
RS
RU
BW
S
SA
sc
SD
' HIP -
SI
's#
SQ
SR
88
1 S-tf-
SW
/Or
T
TA
TB
TE
TG
TH
X
Y
Z
• =
0 •
Res. 1
12.0
''"'," '
9.0
10.0
10.0
13.0
10.0
t t,f ttt
' / ft/ t
< f '*&,'
* .. .. ' ' /..'... f '
12.0
60.0
' '-"I"
9.0
f _,
A , ,, ,,,, ,
, ''
11.0
9.0
t tt
11.0
' '-
11.0
f f
11.0
9.0
21,0
9.0
, ' ", ""' ',
'*'•
10.0
12.0
,'.',*'/;' ?f ',/'>
10.0
'" - *''>$
9.0
12.0
8.0
9.0
12.0
11.0
11.0
10.0
Res. 2
12.0
""•• " 'vi. V '
11.0
9,0
10.0
12.0
9.0
'/ '„ "'' ' ' '
'ft f' f ' * >. *
, .... .. , ;'„; ......
12.0
J>&0
' " '/•• '••'
9.0
<• t t * f
<• *
> ;,'
12.0
9.0
'' I; '"''-<'' -5
14.0
'#•/,' "
12.0
$0&0
10.0
13.0
mo
9.0
, "' '"!, '''''."
' „ ',><"',#!,}?'",
13.0
lo.q
Res. 3
12.0
£ •>•' f t r f
9.0
12.0
11.0
12.0
11.0
/ •• "ft ^sS f
,S X-' .::'• ,/',
12.0
60.0
'/ '/ ' 'f''
8.0
' ''',
'*/*-*,;*'
''/ "' -
11.0
9.0
', ' ' ^ /
12.0
:' ', "
11.0
350.0
10.0
10.0
'-,,'SBJB;
10.0
'• .> /, ' / ",
14.0
10.0
Exper.
Sigma
0.00
, '
1.15
1.53
0.58
0.58
1.00
•* ff f
" f ttt' f
J '.-
0.00
, ''400' -'
,' ', •••• ••
0.58
„
**' '
^
0.58
0.00
'*'
1.53
t, f ' ft"
t-
0.58
' "73.fi
0.58
2.08
' ' 1.83 '
0.58
'
•* ,,
2.08
1.15
Rnganal
(R + SR)
0.000
' **"*/ '-'/,,
0.236
0.354
0.118
0.118
0.236
/ t
f •. "!••"'
'' -s
0.000
0.000
,' ' "
0.118
'•
f .. fff' * f
0.118
0.000
'/
0.354
' '
0.118
toss --',
0.118
0.473
0.354
0.118
,, ,
,
0.473
0.236
Normalized- deviation
Average
12.00
tf f tjf r t f
•!• f t t
9.67
10.33
10.33
12.33
10.00
tt tt
"•t /'' '' "
S '
12.00
60.00
8.67
' ,
f J
'
11.33
9.00
- '
12.33
ff
11.33
406J& '••<
10.33
10.67
20,67
9.33
•" •*
12.33
10.67
(grand-avg)
0.34
•'"•' 4 V" , '',
-0.47
-0.24
-0.24
0.45
-0.35
f /
...... ; f .... ...... .' '
' '' / '' ' , '
0.34
19.04
,
-0.82
"
, * *
' , ,,
0.11
-0.70
0.45
t ff f f t
0.11
13106
-0.24
-0.12
"'3*04 "
-0.58
f f •"
0.45
-0.12
(known) Tag
0.69
;,/•'- " - * '*
-0.12
0.12
0.12
0.81
0.00
t f t
'" ; ^ '•"/' •' - "
', ' ~ * * '
0.69
19.40 ' x-
, ' , *
-0.46
*
" "*
' ' *
0.46
-0.35
' 4
0.81
*
0.46
137.41 X
0.12
0.23
&70 x
-0.23
' , -9
' »
0.81
0.23
''~%&y^$]jjj%%;^A ;,"'>//";>< '•• ''-'* ''-^'/ '"<,"'#'
-------
27/28
Cesium 137
EMSL-LV Inter-comparison Study: Air Filter, 27-Mar-1992
Data sorted by Laboratory Average
Average
2.33
5.33
6.33
8.33
8.33
8.67
8.67
9.00
9.00
9.00
9.00
9.00
9.00
9.00
9.00
9.33
9.33
9.33
9.33
9.67
9.67
9.67
9.67
9.67
9.67
9.67
9.67
9.67
10.00
10.00
10.00
10.00
10.00
10:00
10.00
10.00
10.00
10.00
10.00
10.00
10.00
10.00
10.00
• s No data
Tag Lab
DJ
BG
AL
FK
DE
RH
BA
TE
RQ
LT
KH
IA
HI
CS
CE
TB
SI
BL
AI
X
QD
Q
OB
NK
ME
MA
FZ
EA
Z
T
QU
PM
PB
NJ
MS
L
KM
J
HE
DT
DH
CA
C
Average Tag
10.33
10.33
10.33
10.33
10.33
10.33
10.33
10.33
10.33
10.33
10.67
10.67
10.67
10.67
10.67
10.67
10.67
10.67
10.67
10.67
10.67
10.67
11.00
11.00
11.00
11.00
11.00
11.00
11.00
11.00
11.00
11.00
11.33
11.33
11.33
11.33
11.33
11.67
11.67
11.67
12.00
12.00
12.00
submitted TAG SYMBOLS
0 s Insufficient data x s Determined to be an
Lab
sc
QK
QJ
OM
o
JE
GI
DM
BM
A
TG
TA
SS
SD
EL
EH
EB
DG
DD
D
BW
AP
SW
NZ
NP
NH
M
LF
1C
CJ
BC
AU
Y
S
RO
K
BO
HL
EX
AA
QZ
QB
OK
Average Tag
12.00
12.00
12.00
12.00
12.00
12.00
12.00
12.33
12.33
12.33
12.33
12.33
12.67
12.67
12.67
13.00
13.00
13.00
13.00
13.00
13.33
13.33
13.67
13.67
14.00
14.00
14.33
14.33
15.00
15.33
15.67
15.67
16.00
16.00
17.33
20.67 x
24.00 x
24.00 x
25.00 x
37.00 x
43.00 x
66.00 x
406.67 x
ft s Above control
outlier It s Below control
Lab
OA
KL
IU
GE
FE
E
CP
SR
RU
QM
JS
AE
MP
KX
BH
EZ
DO
DL
AH
AF
N
FL
MV
LE
PT
MQ
LR
JY
AK
CO
ML
CQ
AN
AB
PV
SF
FJ
AZ
P
PW
BI
R
SA
limit
limit
-------
EMSL-LV Intel-comparison Study: Air Filter, 27-Mar-1992
28/28
Cesium 137
Frequency distribution of responding labs(expected prec. vs known value)
10
°*TT
I—I—
exp. prec. ~2
known
value
+2 exp. prec.
Frequency distribution of responding labs(std. dev. vs mean value)
20
10-
O4—r-
-6
std. dev. -2
mean
value
+2 std. dev.
------- |