xvEPA
            United States
            Environmental Protection
            Agency
           Office of Research and
           Development
           Washington, DC 20460
EPA/600/R-98/011B
January 1998
Blind-B Performance
Evaluation Study

A Statistical Evaluation
of the October 21, 1997 Data
                                           006EC898COV-011B

-------
              Blind-B
    Performance Evaluation Study
         October 21, 1997
   Environmental Protection Agency
National Exposure Research Laboratory
   Environmental Sciences Division
         Las Vegas, Nevada

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            UNITED STATES ENVIRONMENTAL PROTECTION AGENCY
                        OFFICE OF RESEARCH AND DEVELOPMENT
                      NATIONAL EXPOSURE RESEARCH LABORATORY
                      ENVIRONMENTAL SCIENCES DIVISION-LAS VEGAS
                                  P.O. BOX 93478
                            LAS VEGAS, NEVADA 89193-3478
                                   (702/798-2100)
Dear Participant,

   Enclosed are the results of the Environmental Sciences Division (ESD-LV)
Performance Evaluation Study for Blind-B; October 21, 1997.

   The known value for each analysis was determined by gravimetric methods,
checked by chemical analyses performed by ESD-LV's Radiochemlstry Laboratory,
and compared to the participating laboratories' grand average.

   The expected precision, determined by the known value, was taken from
Table 3. Laboratory Precision:  One Standard Deviation Values and Control Limits
for Various Analyses", which is based on data accumulated over the years by the
Performance Evaluation Program, and can be found in the Environmental Radioactivity
Performance Evaluation Studies Program and Radioactive Standards Distribution
Program information brochure.

   Please take a few minutes to review this report and the analytical data your
laboratory submitted to us.  If there are any apparent discrepancies, please notify us
immediately.

   We encourage you to make use of the computer-automated data-entry system
that has been in place for some time now.  As the number of participants increases,
and it becomes unrealistic for us to receive results by mail or FAX, the computer
system will be our only avenue for accepting data.

   If you have any questions or comments, please send a message via the data-entry
system or contact  Stephen Pia at 702/798-2102  or Patricia Honsa at 702/798-2141.
                                          Stephen Pia
                                          Team Leader
                                          RADQA Program
Enclosure

-------
               NOTICE

This material has been funded wholly by
the U.S. Environmental Protection Agency.
It has been subjected to the Agency's review,
and has been approved for publication as
an EPA document.

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                ESD-LV Performance Evaluation: Blind-B, 21-Oct-1997              1/44


   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 n thick
horizontal bar.  The first page of each section is a statistical summary for the nuclide and starts
with a statement of the known value, the control limits, and the warning limits.

   The warning limits are placed at two normalized standard deviations above and below the
known value and the control limits are three normalized standard deviations above and below
the known value. If you keep control charts, these values will be useful for anticipating problems
with the accuracy of your analytical methods.

   The coin shaped pie chart at the top of the summary page shows the fate of all the samples
sent out in number and percentage terms. The pie chart starts at the top and rotates clockwise.
The first sector represents those participants who submitted analytical results within both the
warning and control limits. The next sector represents those who are in the warning region but
not out of control.  The third sector represents those who are out of control, but have passed
the outlier test.  The fourth sector represents those who have failed the outlier test. The last
sector represents those participants who have failed to respond properly. This is the case if no
analytical results were returned, or less than three determinations were reported, or if the results
were received too late. The reeding on the edge of the coin is spaced at one percent intervals, and
the sector shading becomes darker as the data reliability decreases. Sectors with zero width are
not shown.

   The table in the center shows a number of statistical quantities calculated from the submitted
data based on the mean and median values in relation to the known value, both before and after
outlier removal. The lower pie chart uses the same construction as the upper chart and shows
the distribution of properly submitted data in terms of deviation from the known value divided
into sectors representing one, two, three, and greater than three normalized standard deviations.

   The second part is an alphabetical listing, in lab-code order, of submitted data and several
calculated quantities. An entry that is shaded has been rejected because of one of the reasons
listed above or failure of the outlier test. The fifth and sixth columns are a measure of laboratory
precision. The Range analysis is a normalized value that you may use to keep precision control
charts. The eighth and ninth columns are the differences from the mean of all non-outliers and
from the known value, respectively. If this value is between 2.0 and 3.0, your analytical process
precision is in the warning zone; if it exceeds 3.0 it is out of control. A tag symbol may appear in
the last column. Each page with tags has a symbol definition summary, at the bottom.  If there is
no tag symbol, the data is within the control limits, but it may be in the warning zone.

    The third part is a three-column listing of result average, tag symbol, and lab-code in average
order excluding those labs not  responding properly. In this order, all outliers and out-of-control
results appear at the top or bottom of the list.
    The last part is two bar chart displays showing frequency distributions of responding
participants. The first chart places the known value at the center and a bar at each 0.2 unit of
expected precision. The second chart places the mean of the reported measurements at the center
and a bar at each 0.2 unit of standard deviation. In both cases, a bar includes those results within
0.1 unit up to the maximum of six. Any results more than six units from the center value are
shown cumulatively by a shaded bar one past the sixth unit. If the central tendency of the known
value distribution falls away from the center, an error in accuracy is indicated. If the distribution
is broad, poor precision is indicated. The mean value distribution is similar but uses the average
and standard deviation of reported results as its basis.

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2/44             ESD-LV Performance Evaluation: Blind-B, 21-Oct-1997


     The Range AnaIysis(R + SR) is calculated from the range, mean range and standard error of
  the range values. The range is the difference between the maximum and minimum results for the
  laboratory. The mean range is calculated by multiplying the expected precision by 1.693(for three
  results).  The standard error of the range is calculated by multiplying the mean range by 2.575(for
  three results), subtracting the mean range from this product, and dividing the result by 3. If the
  range is greater than the mean range, then the range analysis is calculated by subtracting the
  mean range from the range, dividing the result by the standard error of the range and adding 1.
  If the mean range is greater than or equal to the range, then the range analysis is calculated by
  dividing the range by the mean range.

     The normalized deviation of the mean from the grand average is calculated from the deviation
  of the mean from the grand average and the standard error of the mean values. The deviation of
  the mean from the grand average is calculated by subtracting the grand average from the
  average of the laboratory's three results. The standard error of the mean is calculated by
  dividing the expected precision by the square root of 3(the number of results). The normalized
  deviation of the mean from the grand average is calculated by dividing the deviation of the mean
  from the grand average by the standard error of the mean.
     The normalized deviation of the mean from the known value is calculated from the deviation of
  the mean from the known  value and the standard error of the mean values. The deviation of the
  mean from the known value is calculated by subtracting the known value from the average of the
  laboratory's three results.  The standard error of the mean is calculated by dividing the expected
  precision by the square root of 3(the number of results). The normalized deviation of the mean
  from the known value is calculated by dividing the deviation of the mean from the known value by
  the standard error of the mean.
     A complete explanation of the statistical calculations involved in the report may be found in
  the Environmental Radioactivity Performance Evaluation Studies Program information brochure
  [Draft Revision of EPA-600/4-81-004], available from Patricia Honsa, ESD-LV, 702/798-2141.

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                  ESD-LV Performance Evaluation: Blind-B, 21-Oct-1997
                                   3/44
Gross Beta                          Statistical Summary                      182 Participants
The known value of this nuclide is 143.4 pCi/1 with an expected precision of 21.5; the control limits
are 106.1 to 180.7; the warning regions are 106.1 to 118.5 and 168.3 to 180.7
43(23.6 %) Failed to respond •.
6(3.3 %) Outliers '
5(2.7 %) Out of control •'
     but not an outlier


         Statistic
              ; 115(63.2 %) Within all limits
Respondents
                • 13(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
    136.09        Grand Avg 134.27
     36.50                     14.99
   1332.02                    224.56
     26.82                     11.16
     -5.09                     -6.36
     -0.20                     -0.61
    134.63                    134.63
     -6.11                     -6.11
     -0.24                     -0.59
11 (7.9 %) More than 3 norm. S.D. ซ,
13(9.4 %) Between 2 and 3 norm. S.D.'
           .72(51.8 %) Within 1 norm. S.D.
                           of known value
            1
    • 43(30.9 %) Between 1 and 2 norm. S.D.

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4/44
ESD-LV
Performance Evaluation: Blind-B, 21-Oct-1997
Gross Beta 1
Lab
A
AE
AF
AH
AJ
AK
AL
AP "
AR
AU
AW
AZ
BA
BB
BC
BG
BH
BK
BL
BM
BN
BO
BS
BW
C
CA
CC
CE
CJ
CO
CP
CS
CX
D
DB
DD
DE

DI
DO
DT
DZ
E
EB
EL
EO
Res. 1
150.1
113.8
138.4
138.4
118.3
137.2
134.5
,„'"••-• *ป,'
145.3
121.4
129.4
133.0
144.9
135.2
124.6
	 -: ' -V ;,'•'•>-
148.0
141.0
^i"-'! ~ '-''<*
134.2
113.1
151.8
143.2

135.9
162.6
f *"" ,
146.4
140.0
110.8
154.7
131.0
117.0
148.0
135.0
129.1
139.7



153.3
120.4
138.4
140.0

143.0
Res. 2
141.7
116.1
145.0
140.7
117.9
139.0
117.5
>'--' v •'••'• '-5งKl-
134.5
125.6
130.5
134.0
147.4
133.0
126.6
^'^^"^--
148.4
141.0
I'lXf^^i:
136.9
108.7
137.8
143.0

136.7
159.4
, ~*'~ "'t'/A.''""
136.6
130.0
121.6
148.8
136.0
106.0
144.0
137.0
130.5
139.8



149.4
125.9
137.3
130.0

141.0
Res. 3
154.0
115.5
143.8
140.0
119.3
134.3
129.1
] ;-,<,,' <"*
138.0
125.8
131.6
136.0
136.5
131.2
125.2
H^V"'-"
146.2
139.0
&y& \%\
133.8
102.8
148.0
143.9
\ •-.',ป .'
140.0
149.3
IIIM-V
131.7
140.0
124.3
141.3
127.0
107.0
145.0
138.0
128.5
139.9



152.7
125.0
138.6
110.0

143.0
• = No data submitted
0 a
Insufficient
data
X 5
Exper.
Sigma
6.29
1.19
3.52
1.18
0.72
2.37
8.69
• '• '. • • v - , ; •
5.51
2.48
1.10
1.53
5.71
2.00
1.03
' •,
1.17
1.15
J;! -/ ' ;;
1.69
5.17
7.24
0.47
*
2.17
6.94
x ,v^ f" v "••
7.48
5.77
7.14
6.72
4.51
6.08
2.08
1.53
1.03
0.10



2.10
2.95
0.70
15.28

1.15
Rng anal Normalized deviation
(R + SR) Average (grand-avg) (known) Tae
0.338
0.063
0.181
0.063
0.038
0.129
0.467
!->> ./ / - / ,'
0.297
0.121
0.060
0.082
0.299
0.110
0.055

0.060
0.055

0.085
0.283
0.385
0.025

0.113
0.365
" '••V - /
0.404
0.275
0.371
0.368
0.247
0.302
0.110
0.082
0.055
0.005



0.107
0.151
0.036
0.824

0.055
148.60
115.13
142.40
139.70
118.50
136.83
_^J27.03__
- V>viป''> <-vsw'"^''^ป& •
139.27
124.27
130.50
134.33
142.93
133.13
125.47
-:;V"-r;^
147.53
140.33
,r:^s?i-C^ilS-
134^97
108.20
145.87
143.37
•v;. '^?. ?T^
137.53
157.10
-j;:;:^;^^^p
138.23
136.67
118.90
148.27
13L33
110.00
145.67
136.67
129.37
139.80


. - - \ '*''',
151.80
123.77
138.10
126.67

142.33
TAG SYMBOLS
Determined
to be an
outlier
1.15
-1.54
0.65.
0.44
-1.27
0.21
_:0.58_ _
'/'<• \K?y,J''K, '•;.!
0.40
-0.81
-0.30
0.00
0.70
-0.09
-0.71
l^^:Vr' : -
1.07
0.49
^K^g4f'fis
0.06
-2.10
0.93
^0.73 	 _
,i^v:;Wr "',;)!.
0.26
1.84
:f:l!fpi^
0.32
0.19
-1.24
1.13
-0.24
-1.96
0.92
0.19
-0.40
0.45


t * h s *' •• "' i
1.41
-0.85
0.31
-0.61

0.65
ft = Above
II = Below
0.42
-2.28
-0.08
-0.30
-2.01
-0.53
^1.32^ 	
- "f- /TF*^' ."(ป< ' f-
-0.33
-1.54
-1.04
-0.73
-0.04
-0.83
-1.44
y-7v^r— ^
0.33
-0.25
?t$l^iji$?
-0.68
-2.84
0.20
0.00
TT>> "'• v
-0.47
1.10

-0.42
-0.54
-1.97
0.39
-0.97
-2.69
0.18
-0.54
-1.13
-0.29

• •','*•
V'/' {>-!^
0.68
-1.58
-0.43
-1.35
•
-0.09
control limit
control limit

-------
ESD-LV Performance Evaluation: Blind-B, 21-Oct-1997
Gross Beta
Lab Res. 1
Res. 2
Res. 3
	 \
5/44
Exper. Rng anal Normalized deviation
Sigma (R + SR) Average (grand-avg) (known) Tag \
v_v'*'/^"^:;^^^;;;':^;^r\ / ' _- ^ '--_'; :\^;V .f.r^^f^^^^?
™"^r:. ป J.::-V,:vc> ys^^y ^ s$jf&.
149.0
142.7
112.9
150.0
141.0

$p>*j&$#ซ*?
143.0
131.4
127.0
152.3
137.6
( s^> ^ ^ <^AU$f"^>';\'W$. *s* ^v^. -.^ ซ '•*^vv, **v^"$* •**^'v
• * ; *, > •"'
130.0
r'.^nv™"-'*"
-~vv^ - ~ .--,
^ , s - >"• "*

121.1
SS^^Wg*^"
Jfc^f%;^

Ijxx^ - f ;> " ' <-x'4- -X
140.0
141.7
122.5
152.7
_JL35.8_?i
*>\ %x* \"" " ^ ^."!
"Tn^^ฐ^'^:^^^^^ฎ*?- ^-! '""<•• *
• DJX- i ~ ~ •>• s \\- •,-•- •;ฐ;ฐ V-; ' . 'i*-^.- v v-x •* - ;\ ; ?• \- -
I
,PL .

; ,ilT ' ',
^Li-* ^ ;*ฐ
tw
JE

JG r
JM
JN
JQ
JS

JX
JY
K
KE
KT
KX
L
LE
LF
LL
LR
LT
•••IMP
MF

MP
MT
MV
MY
NT
100.3
121.2_
r~> s "s -••* * ^ - "*x w^
s ,- >•'^,•.^!'^^ tv^%x-s
,-.;-,: v--*>f->5 -
•--.-, x\:, v-,>-> ~~ '*
135.4

,\'v, ~,K -\;*-" "K
136.0
124.6
196.5
143.5


126.0
107.9
14.1.5
157.0
155.0
122.9
151.1
140.0
159.5
129.0
121.5
46;0
169.0



118.5
107.0

124.3
130.1
v?;- •"*-' x, -xV"^
~4S,0:'
170.0



106.2
110.5

137.3
128.6
- yv,- •- - ซ .
V.V"-\ - ' -^"
\ -^ •- -V- ' -
-^<" x'-
I32-0


145.0
125.1
179.5
136.8


122.0
115.9
142.2
168.0
156.0
119.3
136.0
140.0
146.7
140.0
127.9
; 46.0
170.0
••-

i-
110.0
106.9

• = No data submitted


data
x =
^ ^ * x
1.00
* v v" \ s *•ป ^J- '
<- J, \V s *s* ," ^
\mie;;"
3.84
, !,;, >;
0.055
,"\\\-V;~ J
;;,— i5-'''-'V,^
; ,,6j860 f
0.209
'f^W;<*^K-
130.00
j.T-^ X'-x^VSxx- ^"ipSs^
* S-'V 1" > '':v %;-~ SA-V^S
;7- /f-180ซ17?W-;?
117.63
SS^SS^^S33ISSf
nf'^%\ ^-^i^'!":i ^ % v
: -" \C^ v - ** "^ "ป^ l '"- v
4.58
6.26
7.20
1.46
2.64
'V7:;^;y;
;*;;^;-X;r-V
18.77
4.76

.. v ^ - " \ " "
; s ^ * \v "
X* " x-v;1 -
1.91
1 v"~*^ S ^WV\ j -.
"-,;,- " ,\^-~
4.58
1.21
16.50
3.39


3.51
4.15
1.07
5.57
1.00
1.89
7.58
0.00
6.40
6.66
5.86
0:00
0.58



6.30
2.05

^ ซ.v * *
/st\"x\2 V
0.247
0.310
0.387
0.074
0.143
^ ^ f •• '\ ^^ * O^^V ^""^v '••i "•'
v^V X* V<-5.*s>^v- ^A. ^^V^ 7ft
144.00
138.60
120.80
151.67
138.13
^^T?o?T??ป'^?SSSSBfRi
,- \^^0^;;k- -^'A^,;s,>ซ6-5-.ซ,-f

1.031
0.245
\>x -" •• x ,
••''H-ซWง
"<* ^ - C s X "* ^
<\l *ซ^Sซ v"s;
0.093
*• •• % \\^*™*v\*
"-;-> -\,,/
0.247
0.063
0.907
0.184


0.192
0.220
0.058
0.302
0.055
0.099
0.415
0.000
0.352
0.330
0.321
0.000
0.027



0.338
0.099

1^,0;-%^^
"120.63"
126.63
J-'VV^I^AT^^^-
W^^-^S^^Wvfe^
^^V^*S^ ^j^^ ? ^i^ i^^..^

^ \xa~\; \vJ! li%*'St^*
134.20
•\"X" **?>x * % w**sfis ^?f *ฅL**jvi*^?r''^j;
s v^^^^^s " 5^^X
141.00
124.17
179.83
140.43
i \ ^\^\
< ^ *"
122.33
112.53
142.43
162.00
155.00
121.43
143.93
140.00
153.07
132.33
121.87
'"'" -:%46;66:^
169.67
'^r* f^
"" , -. x, ^ ซ

111.57
108.13

TAG SYMBOLS
Determined
to be an
outlier
•A* •.-.••Vs "*•.*
5ป.-V^,vซ
-0.34
'vs xKs'i^sSx
J^\^W
~^4i9$*
-1.34
ปซซปT""<>ปf3ซES
^i-6ป08J
\ซJ&^^

^S-i.;^!!^5
0.78
0.35
-1.09
1.40
0.31
^^?Sf
:%^ v.-^
-1.10
-0.62
x-ysyVT^i^
i^sfe.. V'SKS't'i
^v5i"^V <\!f SซC.V<

"tSy" xcs^ii
-6.01
^^X1 ^s!^ ^>^'*s?wsi
^;bf^ซ'
0.54
-0.81
3.67
0.50

^ •• -.
-0.96
-1.75
0.66
2.23
1.67
-1.03
0.78
0.46
1.51
-0.16
-1.00
^:^7.id
2.85
V" C %

x
-1.83
-2.11


S^^^'^x'V^fjx^^lt^?
-1.08
^te^^&v^$$l?SiSIง>>^2&*l
~|f^"|V^^i^;|i%f^|
l|;^ซSi6ง4J'P^Il
-2.08

w, *V! *^ ^J-Xv,*^ "U %i *S ?"? ^. "^^N^W^^ ^
^tK"-^" ^^^^^^^ ป^o
0.05
-0.39
-1.82
. 0.67
-0.42
5^^5S5^fi*?S3B
ISM^^ifeCTW^SI

-1.83
-1.35
^v^!^ปปFm^M


^^^*^4^*^**^* s^?*^* VV?Js*ฅ
-0.74
* ^ \\ ^XS^^^,^^^'^1-'^^^^*^^'*?'
v>-',\: ~= V\^xl;iซ* l;>\ซ M
-0.19
-1.55
2.94
-0.24

\ - ป
-1.70
-2.49
-0.08
1.50
0.93
-1.77
0.04
-0.27
0.78
-0.89
-1.73
v, -WAV, v^^^'-'-v V-^'li-.':1''^ ^-5^^
v* •• "••''u1' 7'*™**'"''" s ^V"" X""
2.12
% ซ s 's''v *• "^ ' ' "*'
-,x-, ,-~'^
- \ปJC;
-2.56
-2.84
• '
ft = Above control limit
& s* Below control limit }

-------
6/44
Gro08
Lab
NA
NH
NJ
NK
NO
O
OB
OF
**'••
OMtป*
OS
- 03&V
OY
p\:3
PB
: pu ",:
PG
PM
PQ
PW
Q
QM
QP
QQ
QT
QU
QW
QX
QZ
RB
RD

RF
RG
RI
RK
DD
Jtr
RR
RU
RZ
S
sc
SD
SF
SG
SI
• =
10.
ESD-LV Performance Evaluation: Blind-B, 21-Oct-1997
Beta
Res. 1
152.0
132.0
134.0
134.0
117.0
144.9
138.0
88.4
' ; "/ '-,-,'!:""Vi V? ป
.> fSyJ'-'&hp <*|t.
129.0
^';^??2^
115.8

133.0
V4i7^-;:?>
137.4
136.8
i^t;:C3i
\ JV;,,--V- T"-/f
145.8
141.3
134.7
142.8
123.4
128.0
133.0
157.8
128.0
146.0
133.1

-
152.0
156.5

166.0

129.8
151.0
126.0
139.0
150.0
103.0
125.0
Res. 2
155.0
136.0
133.0
132.0
123.0
144.4
128.3
90.9
~?f '**''' '" W*- ^"f
ซs~-t& >vv}*^llt^i
126.0
I^^llS
112.9
?*Pi|
136.2
'xiW$ฃ1c
127.4
140.7

™:; '?;;;'-,: ri'vf-v
140.9
140.7
111.8
140.7
126.7
128.1
128.8
153.4
133.0
147.0
135.2

, -,•„• ,„- , •> ,
155.0
155.0
'Tc-fc^
167.0
'"",'., ~-~
135.2
152.8
123.0
145.7
170.0
96.0
128.0
Res. 3
151.0
145.0
135.0
129.0
130.0
149.3
129.0
95.6
vfi'^^S;'-1"' '
^fsvfe'^ " ••-"
_ 129.0^
^Si^fe'^*
113.4

134.7
^4Sl,6
141.2
, ,,131.4_
CV"/V<-' tf^ti* XA">
^Kv^''*--"^
137.3
129.3
140.4
147.1
130.9
135.2
135.3
156.9
130.0
148.0
131.4

. ', ,',4>-ป <;- s
156.0
157.1
?', '-; '' '•
166.0

125.4
151.2
121.0
142.6
170.0
105.0
122.0
No data submitted
Insufficient
data 	
x ;
^^^— .- —
Exper. Rng anal
Sigma (R + SR) Average
2.08
6.66
1.00
2.52
6.51
2.70
5.41
3.66
'i--"% ••,'ป' '' ' ,
>55>'""v --' - ,''"ป
^.^A-.73..,
Iv'-^v'"! •' -
1.55
i"^riSปV/
1.60
31.07
7.13
4.67
;S^.?'v^--- -r
' ^v-;'f^ ' '-
4.27
6.76
15.14
3.26
3.76
4.13
3.30
2.32
2.52
1.00
1.90

"•'• ,
2.08
1.08

0.58

4.91
0.99
2.52
3.35
11.55
4.73
3.00
0.110
0.357
0.055
0.137
0.357
0.135
0.266
0.198
/ ••>• - ',>V'
• ;< ,, , ป > -,
0.082
,~ '-,-' c,-
0.080
"" ^k vUEku ""'
j \f*\fvfy j *
0.088
2.235
0.379
0.255
''"l'f*'A1|
• '"- • '*; ';
0.234
0.330
0.786
0.176
0.206
0.198
0.179
0.121
0.137
0.055
0.104


0.110
0.058

0.027
•• ••
0,269
0.049
0.137
0.184
0.549
0.247
0.165
152.67
137.67
134.00
131.67
123.33
146.20
131.77
91.63
„,,-*, ,^,,- s <*y _,•ป;? <•'
f*/. '*ซป•"•' ""' *y&**
1"_J^8.00^
c.,;"rr,.,\:;x^c
114.03
Upl^
134.63
461,6?
135.33
136.30^

•;^*,$$'3ff^>ฃy^
141.33
137.10
128.97
143.53
127.00
130.43
132.37
156.03
130.33
147.00
133.23

^ „ s •"• >ll>'
154.33
156.20
:
166.33

130.13
151.67
123.33
142.43
163.33
101.33
125.00
TAG SYMBOLS
= Determined
— —
to be an
outlier
=====

Normalized deviation
(grand-avg) (known) Tag
1.48
0.27
-0.02
-0.21
-0.88
0.96
-0.20
-3.44
- •>- _ -^ ;--'T^;^ 'vs j^ ';
^>^,'A-*Kf,"^ ^;vsi?4
-0.51
^ฃ\^^^i
-1.63
WIX$f^
0.03
7 'SsJit; "-'•
0.09
-ฐ'16 ซ-

^^'^•l^-; J^V'l
0.57
0.23
-0.43
0.75
-0.59
-0.31
-0.15
1.75
-0.32
1.03
-0.08

:*"'*' Jf^-< : ป-'''. Tsv
1.62
1.77
•',"-' -'->',''"'^ "
2.58
-••• ;"' ''•;"*•• - •• j'
-0.33
1.40
-0.88
0.66
2.34
-2.65
-0.75
0.75
-0.46
-0.76
-0.95
-1.62
0.23
-0.94
-4.17 JJ
?*r -f, .^ ?v '"^\ ". "
w^\. i'^^V^*^"-
-1.24
ซ*wjvwv.%^.vซv)^(wwjAVfcJ' ^v, A ซy
••.jJ? v s f*i<^**'^* * ••
>V;'> -=^ *jv ซ^ _,
-2.37
spis^
-0.71

-0.65
,"flS *.

.^Oift'A^^*)*^
-0.17
-0.51
-1.16
0.01
-1.32
-1.04
-0.89
1.02
-1.05
0.29
^:ฐ.:8,,2WS^.~,

v '!•*; '•,: ^wjซ>mซ,s-!
0.88
1.03
W,MWV \ ' V^'^ '•<,W-^S'-/JV^Y''";'^''
* .. ^ ""faf •'•'•' ^ ;(*•*'% \
1.85
- ''" ''""'• A!V*/V
-1.07
0.67
-1.62
-0.08
1.61
-3.39 Ji
-1.48
It s Above control limit
Ji = Below control limit Jj
•^

-------

ESD-LV Performance Evaluation: Blind-B, 21-Oct-1997
Gross Beta
Lab
SM
SN
SO
SR
ss
sx
sz
T
TD
' TLT
TN

TQ

>,!•-
TY
U
UA
-.UBr"
UP
UQ
UY
VA
VC
VH
VI
VJ
VM
VO
VT
W
WE
WH
WO
WR
WW
X
XA
XC
XD
XF
XI
XJ
XK
XL
XM
• =
0 B
Real
128.5
149.4
132.4
122.7
123.5
149.0
133.7
135.7
107.9
";,F?:!::^tP
106.5

118.0
11 • ' s ' ^ s W* "-"
139.0
129.6
131.0
"V- VVi>-*v
142.5
137.0
126.8
172.5


117.4
129.0

125.0
158.5
135.0
132.0
143.1
125.0
132.4
135.9
128.4
•'• ,-••


147,2

102.5
299.0
129.9
132.0
Res. 2 Res. 3
122.8
153.1
130.5
129.1
125.9
143.0
138.0
137.4
134.8
rfipv! :5
96.7 .
1
	 124.0
^ \" %%15.VV \. - „•. O N*
138.0
132.4
132.0
i'-^&rjit^ -'A
144.6
136.0
128.0
175.6
1-1 w,\ \ ,* s
/.'-xVvo". o
105.1
126.0
^_
117.0
152.1
137.0
144.0
133.0
122.0
132.3
136.5
133.1

,

155.5

102.7
292.0
127.8
132.0
119.6
143.3
127.4
115.8
130.5
140.0
133.3
139.6
119.2
^ ^ •• s ^ ^^v--.^
96.6

118.0
** S% " *** ' "t ' v
139.0
132.4
130.0
v>-y*' r;ฐ-
144.8
132.0
127.1
179.2
-> * "
%s ** •> ""
97.1
122.0

128.0
144.5
135.0
141.0
141.8
116.0
133.0
133.6
127.5
,


149.8

108.9
286.0
125.7
134.0
No data submitted
Insufficient
data 	
X s
Exper. Rng anal
Sigma (R + SR)
4.51
4.95
2.52
6.65
3.56
4.58
2.61
1.95
... J2:6-L „.
-. \ ฐ "" * V "'• X 5
5.69

3.46;
* ^ ' - •> -• •• '1\'v
0.58
1.62
i.qo
- \-;.- '_> -'-\ -
1.27
2.65
0.62
	 3.35 	
v

10.23
3.51

5.69
7.01
1.15
6.24
5.49
4.58
0.38
1.53
3.01



4.25

3.64
6.51
2.10
1.15
0.245
0.269
0.137
0.365
0.192
0.247
0.129
0.107
^J).739_
?~STฃ
6.272

0.165
; *•„>•. v, ^<^\>^>\
0.027
0.077
. . OJ?55_
v,vcc r: }
0.063
0.137
0.033
0.184
•V ^'X"
- .r s; * ^ ^
0.558
0.192

0.302
0.385
0.055
0.330
0.277
0.247
0.019
0.080
0.154



0.228

0.176
0.357
0.115
0.055
Average
123.63
148.60
130.10
122.53
126.63
144.00
135.00
137.57
__120.63_
SSlPi^
99.93

,„, ^l??-0^.
s \ % '^'^^^O^^V^
138.67
131.47
_ ^.ISLOO^
?-'-.^ : ซ'"tl|5:^
143.97
135.00
127.30
175.77
ซv-::7^3
.*• "-1: -X\>S
106.53
125.67
<
123.33
151.70
135.67
139.00
139.30
121.00
132.57
135.33
129.67



150.83

104.70
292:33
127.80
132.67
TAG SYMBOLS
Determined
to be an
^^— •- •'.. '" i
outlier
^_— _^^-— ^^^^^^
7/44 j
Normalized deviation
(grand-avg) (known) Tag
-0.86
1.15
-0.34
-0.95
-0.62
0.78
0.06
0.27
^_;1J.O__
^^f^t^-ifcC^iS-
	 ".2.77""^" "

ij:1.15_m ^
i*ง^|5t\ij\V ^<^ Tf "^** ^'^l ^S^.
0.35
-0.23
w^-0.26__^
4^' ^'.. -;- Hฅ si/3f^
0.78
0.06
-0.56
_ ^_3.34 %
\A- '•^^ ^V *• ^S ^ ^ ^
-x\V-\v;-'-;''i'--, IU
-2.23
-0.69
* N > N
-0.88
1.40
0.11
0.38
0.40
-1.07
-0.14
0.09
-0.37
/


1.33

-2.38
1&73
-0.52
-0.13
IT == Above
-1.59
0.42
-1.07
-1.68
-1.35
0.05
-0.68
-0.47
-1.83 ^ _
i^Ipl^IISI
-3.50 U

^JSU — -
^•X^v ^Vftl^^^^^ix^^
-0.38
-0.96
^-1.00 ^^
!^งPi^^t$^
0.05
-0.68
-1.30
^2.61 	 ^
t'-i;^1*S
;,v;:>v -^-;"",ปVy
-2.97
-1.43
x - ,. , . > -^
-1.62
0.67
-0.62
-0.35
-0.33
-1.80
-0.87
-0.65
-1.11
, 't*'''
.^ ^* \
• s N
0.60
., v.i
-3.12 li
12.00 x i
-1.26
-0.86
control limit
JJ. = Below control limit j

-------
8/44 ESD-LV Performance Evaluation: Blind-B, 21-Oct-1997
Gross Beta

Lab Res. 1 Res. 2
XN „ JOp.O „ 96.4

Exper. Rng anal
Res. 3 Sigma (R + SR)
96.5 2.05 0.099

Normalized deviation


Average (grand-avg) (known) Tag
_ 97.63 _;2.95___ -3.69 _
ฃy>
Data sorted by Laboratory Average
Average Tag
29.13 x
45.00 x
51.33 x
91.63 H
97.63 U
99.93 U
101.33 U
104.70 U
106.53
108.13
108.20
110.00
111.57
112.53
114.03
115.13
117.63
118.50
118.90
120.00
120.63
120.63
120.80
121.00
121.43
121.87
122.33
122.53
123.33
123.33
123.33
123.63
123.77
124.17
124.27
125.00
125.47
125.67
126.63
126.63
• = No data submitted
1 0 s Insufficient data
Lab
P
M
FN
OF
XN
TN
SG
XJ
VI
MY
BN
CX
MV
K
OY
AE
FL
AJ
CO
TQ
TD
I
HI
WO
L
LT
JY
SR
VO
SC
NO
SM
DZ
JN
AU
SI
BC
VJ
ss
m
Average Tag
126.67
127.00
127.03
127.30
127.80
128.00
128.97
129.37
129.67
130.00
130.10
130.13
130.33
130.43
130.50
131.00
131.33
131.47
131.67
131.77
132.33
132.37
132.57
132.67
133.13
133.23
134.00
134.20
134.33
134.63
134.97
135.00
13500
135.33
135.33
135.67
136.30
136.67
136.67
136.83
TAG SYMBOLS
x s Determined to be an
•
Lab
EB
QT
AL
UY
XL
OS
QP
DD
X
FE
SO
RZ
QZ
QU
AW
UA
CS
U
NK
OB
LR
QW
WR
XM
BB
RD
NJ
JE
AZ
PB
BM
UQ
SZ
WW
PG
W
PM
DB
CJ
AK
Average Tag
137.10
137.53
137.57
137.67
138.10
138.13
138.23
138.60
138.67
139.00
139.27
139.30
139.70
139.80
140.00
140.33
140.43
141.00
141.33
142.33
142.40
142,43
142.43
142.93
143.37
143.53
143.93
143.97
144.00
144.00
145.67
145.87
146.20
147.00
147.53
148.27
148.60
148.60
150.83
151.67
ft s Above control
outlier ^ = Below control
	 ^^^^^^= =^==
Lab
QM
C
T
NH
E
HL
CE
GZ
TY
WE
AR
WH
AH
DE
LF
BK
JS
JM
Q
EO
AF
SD
KE
BA
BS
QQ
LE
UP
sx
GQ
D
BO
O
RB
BH
CP
SN
A
XF
S
limit
limit
— 	 ^

-------
r - 	 -S'
ESD-LV Performance Evaluation: Blind-B, 21-Oct-1997 9/44
Gross Beta
Average Tag
151.67
151.70
151.80
152.67
153.07
154.33
% responding labs

~ • •
Dntn sorted by Laboratory Average
Lab Average Tag Lab Average Tag Lab
HK 155.00 KX 166.33 RR
VT 156.03 QX 169.67 MF
DT 156.20 RI 175.77 VA
NA 157.10 . CA 179.83 JQ
LL 162.00 KT 189.17 x FJ
RG 163.33 SF 292.33 x XK
451.67 x PD
Frequency distribution
•ill I
m 	 ....••iBlllllllHlM 	 	 . .
ฐ -'6 ' -4 -2 ' 6 ' +2 ' ^ +6
Normalized deviation of the mean from the known value
% responding labs Frequency distribution
10 	 --

•••••M>l_.
	 -Illllllllll-l.. 	 _
ฐ "-'6 . ' -4 ' -'2 ' 6 ' V2 ' A +6
Normalized deviation of the mean from the grand average
. s No data submitted TAG SYMBOLS ft s Above control limit
0 = Insufficient data x = Determined to be an outlier U- = Below control limit J

-------
                  ESD-LV Performance Evaluation: Blind-B,  21-Oct-1997
                                  10/44
Strontium-8B                        Statistical Summary                      182 Participants
The known value of this nuclide is 38.0 pCi/1 with an expected precision of 5.0; the control limits
are 27.3 to 44.7; the warning regions are 27.3 to 30.2 and 41.8 to 44.7
114(62.6 %) Failed to respond ,
2(1.1 %) Outliers	
9(4.9 %) Out of control —
     but not an outlier


         Statistic
               ,. 42(23.1 %) Within all limits
Respondents
15(8.2 %) 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
     36.04
      7.25
     52.52
     20.11
      0.11
      0.01
     35.83
     -0.46
     -0.02
 Grand Avg 35.30
              5.91
             34.98
             16.76
             -1.95
             -0.12
             35.67
             -0.93
             -0.06
13(19.1 %) Mora than 3 norm. S.D. •
13(19.1 %) Between 2 and 3 norm. S.D.
             25(36.8 %) Within 1 norm. S.D.
                           of known value
                                                                   Between 1 and 2 norm. S.D.

-------
11/44
Strontium-89
Lab Res. 1
A
AE
AF

AH
AJ
AK
AL
AP
AR
AU
AW
AZ
BA
BB
BC
BO
BH
BK
BL
BM
BN
BO

B8
BW
C
CA
CC
GE
CJ
GO
CP
CS
CX
D
DB
DD
DE
DI
DO
DT
DZ
E
EB
EL
EO
• =
L,
36.0
46.0
37.0


40.0
30.0
37.0
' -
'/' " '"^'
47.0
34.0
36.0
44.0
*'v"
27.0
.<'
29.0

28.0
40.0
-
36.0



36.0
29.0
-i, '

36.0

28.0
18.0
35.0
21.0

67.0
35.0

44.0
34.0

39.0
42.0
37.0

ESD-LV Performance Evaluation: Blind-B, 21-Oct-1997
Res. 2 Res. 3
37.0
45.0
38.0

' ' ," "•:.'-
41.0
34.0
40.0
•., ' ' - i ''' i-
'••' ?~':~^*&
45.0
36.0
35.0
43.0
/''"'4'-?':ซ!'4i>4
28.0
/"" "' '-/-f; <%'
31.0
,:-,. - ;, "- -i >/.--{
33.0
40.0

37.0



34.0
30.0
>-.<^^x

35.0
;
28.0
18.0
24.0
27.0

64,0
36.0

46.0
34.0

38.0
35.0
34.0
.*.
36.0
45.0
39.0


39.0
34.0
37.0


43.0
36.0
36.0
44.0
,„*': ''•- v - -
30.0
C~fef'v'
26.0
.'*> \ - -
38.0
40.0

37.0



32.0
33.0
•f" '<. * • •• -. -j^
"V'- * > s " -
37.0
--. * ^ '••
27.0
20.0
31.0
30.0

58.0
36.0

42.0
33.0

42.0
39.0
39.0

No data submitted
Insufficient
data 	
X 3
Exper. Rng anal
Sigma (R + SR)
0.58
0.58
1.00

; v, - ~'! . '
1.00
2.31
1.73

•> "•-•_.
2.00
1.15
0.58
0.58
,,:'-,-,-- . .'ป, ,
1.53
- > • :„ < '..
2.52

5.00
0.00

0.58

*

2.00
2.08

.'•' 1? , - -
1.00
'- -"••'*-,,' -,
0.58
1.15
5.57
4.58

4.58
0.58

2.00
0.58

2.08
3.51
2.52

0.118
0.118
0.236

~xv-- •'; '<• ':
0.236
0.473
0.354

;;'i,<^* .'*'
0.473
0.236
0.118
0.118
•".>.' .
0.354
-,. <* ~
0.591
_, J- ''
1.345
0.000

0.118



0.473
0.473
••-. \ ••

0.236

0.118
0.236
1.570
1.120

1.120
0.118

0.473
0.118

0.473
0.827
0.591

Average
36.33
45.33
38.00

*; X^-, ^':rซ, -•'•< =
40.00
32.67
38.00
>' 
#;l#t-^!S3
45.00
35.33
35.67
	 _4aL67_
,lx,:%;;^^.
28.33
-y: ;-;>- ^. -rVw*
28.67
/';V; **••:*•?.&;;
33.00
40.00
<' , -t -

36.67

v, ;;:--••-,' ::r^
"f-"?', <" :.^:* -?'*.. '"^"
34.00
30.67
.^"J''7"e~?E
;: ','*".. ^rti^v
36.00
->.'* ' ;• r ';....<
27.67
18.67
30.00
26.00

68.00
35.67

44.00
33.67

39.67
38.67
36.67

TAG SYMBOLS
Determined
.
to be an
-•
outlier 	

Normalized deviation
(grand-avg) (known) Tag
0.36
3.48
0.94

OJy'.y ^-/V;"'!,
1.63
-0.91
0.94
^f^V;^1 ',\_ " ~\
^I^JT'O', ^
3.36
0.01
0.13
__2;90 	 ^
?Upl>?^.. ':- :-
..J2.41_ t
?^l|\\'%~x?' '\f~~
-2.30 	 ^
/^V-'p^v-'-'
-0.80
1.63
> i*) --"-*_*". ' * -•*•< ™f-
-. ^ ^ , *•• -.J s *
0.47

'^J,Cl'!-:t:^{
"<-\v:-''$^ - „,,"-!';-••
-0.45
,. ™.ปyฎ-— ^~-
iS^SSff^
^t^^-""^-!'-'^'-
_0.24_ ^^
,ป..-'-^, <:;,r,^.
-2.64
-5.76
-1.84
-3.22

9;6d
0.13

3.01
-0.57

1.51
1.17
0.47

1T s Above
11 5 Below
=====
0.12
3.23 tt
0.69

'•v^sf Ky*&3
1.39 1
-1.15
0.69
,';'. ^c"/'';-ปlB
*U4r- iv-'Vf^
3.12 fr'
-0.23
-0.12
2Xป^ 	
>, -,.;- 1!->: ป -;
-2.66
v- ;^!,:':;ซ^
-2.54 _
- \\:r; -t9^\;>
-1.04
1.39
\-Vh!-*' "'J-*f^

0.23

'*• "~\vl ' -*'ci-
_VปTr •?*• * ''*f\-
-0.69
-1.85^^ 	
"'??SSP
f> " >>>'*> ;f'-
^.9-.99ปs. - -T-
{*•**. X. O '''''' '••' ^J1
-2.89
-6.00 U
-2.08
-3.46 U
' ' "• •,:'
9.36 x ;
-0.12
''/••- - , *' "
2.77
-0.81
* -•
1.27
0.92
0.23
', . ..'.;.'
control limit
control limit J
~'~ " " - • — &

-------
                  ESD-LV Performance Evaluation: Blind-B, 21-Oct-1997
                                                              12/44
Strontium-89
                                     Exper.   Rng anal            Normalized deviation
Lab    Res. 1     Res. 2     Res. 3    Sigma   (R +  SR)   Average  (grand-avg) (known) Tag
JER*<  --;-r>t^<~tfe^r ":• >--v  "  ' • ~  '••:. =>• f-v X*:^*%^.B^^^Pi^^^t^
EV •  }-~-^^:%?>.: •: * - -•,;•  <•••-...  - -, •"; - v *-: 'x^i^^^yw.^^^^l^
           ,.  , •. '•," •.). -. "  ~, ' •>  ' -. \  *• . ^ if \              ''•?••'•'••.'"•. ^ •• s \' ^ i ,*• \ 5 v  * •A^* i *" ^ ^\ v •• s Os"1 A v. ws * K *" ^ * *y i\-vs #* ^if*
____           \  ^j* ^      ••               ^      '•••'•  \ -i %ซS jN- '•'"  ^ "" ""   ^ *   *   ^J1 •• % •• \ S < V^ <ป ^**ssia
•SVVT              ••           .          ^    v   ,   •• ^ •.  •••   '•vNiv.     'j   •.^v^.f.^   '•••\ ^, 4 * C*.* ^W-K;!
EX
FE
FP
39.0      40.0
                                       0.58      0.118
                                      39.67      1.51
 GO      45.0      42.0      47.0      2.52     0.591
                                       44.67      3.25
 BK      34.0       35.0      35.0      0.58     0.118
                                       34.67      -0.22      -0.46
                    42.0      42.0      0.00     0.000
                                                           32.67     -0.91      -1.15
                   0.58     0.118
         33.0      33.0
JE
JG
JM
JN
JQ
JS
JX
JY
K
BE":
KT
KX
L
LEJ"
LF
LL
LR
LT
M
MF
MP
MT
MV
MY
N
          29.0
          35.0      36.0      36.0       0.58     0.118
          37.0      35.0      35.0       1.15     0.236
          -\-  --r^^:l;^;x^j(\v^t'v
                                       35.67      0.13      -0.12
                                       35.67      0.13      -0.12
   ,- s
36.0

42.0
          29.0
          33.0
38.0

45.0
33.0
29.0
                              37.0
                              39.0
                              40.0
                              35.0
                              30.0
                   1.00
                  16.46
                   2.52
                              3.06
                              2.08
                                                0.236
                                                5.621
                                                0.591
                                      0.709
                                      0.473
                                               ^ ^ \ ^ , *"• ^ * •• * •• ^ ซ,%v--7^*i
 - '   ,N  A.A
-„*-- • ^\> ~-~%tปyVx
 •1.27
 -1.85

         >> \
         •
  • = No data submitted
  0 = Insufficient data
                  TAG SYMBOLS
                Determined to be an outlier
                                                                     ft s Above control limit
                                                                     •II = Below control limit

-------
 13/44
                   ESD-LV Performance Evaluation: Blind-B, 21-Oct-1997
 Strontium-89

 Lab    Res. 1
                                       Exper.   Rng anal             Normalized deviation
                  Res. 2     Res. 3     Sigma   (R + SR)   Average  (grand-avg)  (known) Tag
'NA1?;
          30.0
                    32.0
          26.0      3.06     0.709       29.33      -2.07      -2.31
                                         " ,y *ป   *' \ C* •• " ;•""•> ';  X; •>*"•"• * wซ, - v crซ'<^-f.
                               -.    v   .    '     j  * ^  ••  ••   >•-.*•.<'
 PA
 PB
 PD
 PG
 PM
 PQ
 PW
 Q
 QM
 QP
 QQ
iQT
 QU
 QW
 QX
 QZ
 RB
 RD
 RF
 RG
 RI
 RK
 RP
 RR
 RU
 RZ
 S
 sc
 SD
 SF
 SG
 SI
          38.0
          35.0
          38.0
          46.0

          36.0
39.0
36.0
38.0
44.0

36.0
          40.0      1.00
          39.0      2.08
 39.0
 42.0
If , *Zs- "
'^ss ^  S

 36.0
                    0.58
                    2.00

                    0.00
                    0.236
                    0.473
0.118
0.473

0.000
           39.00       1.28       1.04
           36.67       0.47       0.23
           38.33
           1.05
44.00      3.01

36.00      0.24
0.81
2.77
                                0.00
          38.0
          33.0
          21.0
          34.0

          29.0
35.0
29.0
29.0
32.0

35.0
          35.0
          28.0
          30.0
          32.0

          32.0
           1.73
           2.65
           4.93
           1.15

           3.00
0.354
0.591
1.120
0.236

0.709
            36.00
            30.00
            26.67
            32.67

            32.00
           0.24
           -1.84
           -2.99
           -0.91

           -1.14
 0.00
-2.08
-3.23
-1.15

-1.39
 • = No data submitted
 0 = Insufficient data
                                       TAG SYMBOLS
                                x s Determined to be an outlier
                                                   ft s Above control limit
                                                   Ji = Below control limit

-------
                   ESD-LV Performance Evaluation: Blind-B, 21-Oct-1997
                                                                                           14/44
Strontium-89

Lab    Res. 1
                   Res. 2     Res. 3
                               Exper.   Rng anal             Normalized deviation
                               Sigma   (R + SR)   Average  (grand-avg)  (known) Tag
6L
SM
SN
SO
SR
88
33.0
          27.0
           24.0
sz
T
TD
UK
UP
UQ
UY
VA
VC
VH
VI
VJ
VM
VO
VT
W
WE
WH
WO
WR
 WW
 X
 XA
XC
XD
XF
 XI
          42.0
          35.0
          34.0
          25.0
24.0       23.0
                      39.0
                      34.0
                      30.0
4.93
                                 2.08
1.120
                                                                27.33
-2.76
-3.00
          31.0
          36.0
          35.0
                      5.69      1.570
                      1.00      0.236
                      2.65      0.591
                                         0.473
                      37.33       0.71       0.46
                      35.00      -0.10      -0.35
                      33.00      -0.80      -1.04
                     ซ" !  • •',' •-' ': '•
           27.0      25.0       27.0
 34.0
35.0
                      34.0       40.0
                                   65      0.591       44.00       3.01       2.77
                                   "~ ,-•, ' "  - - \- • "\~ป Y-"-~; " ~ *? : *!%fc'$-nฎv:>-f '-^ ", •t~\y>-~~-^- vs?,*r "~^S^|~^^**'"*''*• -x*' '''Vs'i^'' '•' -\fปi,,
                                    s   '-   "-  ,'.  *V ,V -ฐ^' '^'-.-<-'-!~;^V--*!\: -"'"'^'s?' ^,",-Cf. • - ;Vs:?->y ^^iVwl
                                       . -•  ; ,\;f>  v^?l^V^^t^-^^V^->;^^

                                       \ \, • . - •'    - V L '-^ *C" ,= >X' ,,r ^ :; ^,^r ^\,;|^^|1ซ^J
                                 1.15      0.236 _ J ^  ,26.33^^ ^ j3.ll 	^-3;35^ J ^
                                     ^  ^ "*" *•    ^  - ^ ^ *• ^ o"" \ ••i v\x ^ ••> v-!"\\\-ปo^^ *"^" *^o *" *" "\ ^ซ ^^ ^ ^.^ ^xt; *H*t^v s*v
                                             ';' x\ป ->•   x^^% i*\   4^-^V^\\^   ^^V+^sv^Wv^!
                                           --   ^- '"'-^t  ^x"-\ ^ ^ VVN \vv^ *" x: ^%% ซ ^ i5-*.\% *v*\* ^s^^^x ^>^v* ^
                                     -%"; -;--; .-x."-; o*  :--;H^. ^^v^^^^^*%^v^
                                 o AC      A 7no       m An       n 94       n on
            36.0
                                36.0
                      3.46      0.709

                      0^58      0.118
           38.0
           36.0
                       37.0
                       1.00      0.236
                                                                 37.00
XJ
XK
XL
XM
24.0
45.0
46.0
16.0
47.0
42.0
• = No data submitted
0 = Insufficient data
29.0
49.0
44.0
x =
6.56
2.00
2.00
2.020
0.473
0.473
TAG SYMBOLS
Determined to be an
23.00
47.00
44.00
outlier
• • • -
-4.26
4.05
3.01
ft s Above
II s Below
	 ...
-4.50
3.81
2.77
control
control
'i
limit
limit \
— -—#

-------




15/44 ESD-LV Performance Evaluation: Blind-B, 21-Oct-1997
Strontium-89
Lab Res. 1 Res.
-..-JSR&'&l!'-' >*'ฐVr" *v" >'*%'
'/•?• ..-• , * - ' f '',*'*'' ,** ' ' ' ' v ,. ' " ' "•}. &%'
v-XOV*^,^ , ^,VK /lv^

Exper. Rng anal
2 Res. 3 Sigma (R + SR)
•^X'<'-*"V/C:- - ' •" ' •' '•-•"•'



Normalized deviation
Average (grand-avg) (known)
'.",'• V' '" A^U^^to^vi'^^^-^^^O
'•' " * % - '':••< \ '"^; S^^\ ^ X ^"^^vr'^ ^ * *^> ' S^V% V OX
- ' •"'- ' ; ":: -: ^~'^^ป^c^^^T *' y^f--

Tag
\> -,,
\ i *V '"
•X**x
Data sorted by Laboratory Average
Average Tag
18.67 41
23.00 41
24.67 41
26.00 41
26.33 41
26.67 41
27.33
27.67
28.33
28.67
29.33
30.00
30.00
30.67
30.67
31.00
32.00
32.33
32.33
32.67
32.67
32.67

% responding labs
10- 	


-6 -4
Lab Average Tag
CS 33.00
XK 33.00
SS 33.67
D 34.00
VI 34.67
SD 35.00
SM 35.33
CP 35.67
BC 35.67
BH 35.67
NJ 35.67
SC 35.67
CX 36.00
M 36.00
CA 36.00
JS 36.00
SI 36.33
TQ 36.67
LT 36.67
SF 36.67
JE 37.00
AK 37.00
37.33
Frequency distribution

• •••
•—•. •• -L--illlii-ป
T I T I T
Lab Average Tag
TD 38.00
BL 38.00
DT 38.33
C 38.67
HK 39.00
T 39.67
AW 39.67
W 40.00
K 40.00
JY 40.00
DE 42.00
AZ 42.33
VO 43.67
S 44.00
QZ 44.00
CJ 44.00
A 44.00
QM 44.67
EL 45.00 ft
BO 45.33 ft
X 47.00 ft
L 58.00 x
SZ 63.00 x



1 -- -•-• .
+2 ' *4
Lab
AL
AF
QU
EB
Q
FE
E
PB
BM
AJ
I
LF
BA
XM
UP
QW
DO
GQ
AU
AE
XL
LE
DD



|
+6
Normalized deviation of the mean from the known value
• = No data submitted
0 = Insufficient data
TAG SYMBOLS ft s Above control
x s Determined to be an outlier 41 s Below control
limit
limit

-------
                 ESD-LV Performance Evaluation: Blind-B, 21-Oct-1997
                                               16/44
Strontium-89

 % responding labs
Frequency distribution
 10
  0-ซ—H
                  -4-2           0            +2           +4
                    Normalized deviation of the mean from the grand average

-------
                  ESD-LV Performance Evaluation:  Blind-B, 21-Oct-1997
                                  17/44
Strontium-90                        Statistical Summary                      182 Participants
The known value of this nuclide is 22.0 pCi/1 with an expected precision of 6.0; the control limits
are 13.3 to 30.7; the warning regions are 13.3 to 16.2 and 27.8 to 30.7
109(59.9 %) Failed to respond ;
1(0.5 %) Outliers	
3(1.6 %) Out of control	
     but not an outlier


         Statistic
               ; 64(35.2 %) Within all limits
Respondents
* 5(2.7 %) In warning rone
         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
     21.85
      4.30
     18.47
     19.67
     -0.66
     -0.03
     21.33
     -3.03
     -0.16
 Grand Avg 21.53
              3.29
             10.86
             15.31
             -2.15
             -0.14
             21.17
             -3.79
             -0.25
4(5.5 %) Mora than 3 norm. S.D. •ป,
5(6.8 %) Between 2 and 3 norm. S.D.'
            . 54(74.O %) Within 1 norm. S.D.
                           of known value
   ป 1O(13.7 %) Between 1 and 2 norm. S.D.

-------
                  ESD-LV Performance Evaluation: Blind-B, 21-Oct-1997
Strontium-90
                                      Exper
                                      Sigma
         Normalized deviation
Average  (grand-avg) (known) Tag
  20.33     -0.41     .Q.58
  23.67      0.74      0.58
  21.33     -0.07     -0.23
Rnganal
(R + SR)
                                                                     -0.30
                                                                      1.20
                                                                      0.51
                                                                     -0.76
                                                                      0.05
                                               0.118
                                               0.473
                                               0.118
                                               0.473
                                               0.236
                                               0.709
                                               0.118
 21.6.7
 21.67
 18.67
 28.00
 30.00
 16.00
 23.33
DE
DI
DO
DT
DZ
E
EB
EL
EO
24.0
20.0
23.0
25.0
23.0
19.0
22.0

24.0
21.0
21.0
25.0
22.0
21.0
20.0

25.0
22.0
21.0
27.0
22.0
20.0
20.0
•
• s No data submitted
.0 B
Insufficient
=^=^====
data
~ ;
X 5
0.58
1.00
1.15
1.15
0.58
1.00
1.15

0.118
0.236
0.236
0.236
0.118
0.236
0.236

24.33
21.00
21.67
25.67
22.33
20.00
20.67
<
TAG SYMBOLS
Determined
— —
to be an outlier
in-.. . . .- ••I, ^—— ^— ^
0.97
-0.18
0.05
1.43
0.28
-0.53
-0.30

1T s Above
0.81
-0.35
-0.12
1.27
0.12
-0.69
-0.46

control limit
!!• s Below control limit

-------
                   ESD-LV Performance Evaluation: Blind-B, 21-Oct-1997
                                                                              19/44
Strontium-90

Lab    Res. 1
         Res. 2
                                        Exper.    Rng anal             Normalized deviation
                             Res. 3     Sigma   (R +  SR)   Average   (grand-avg)  (known) Tag

                                         1.53     0.354
                                                                1.09      0.92
•u^       *.\j.\j      j.u.v       io.y       \J.\J\J     U.UWF       IB.m
                    22.0^	5l.o'"IirTw"""""™	0.238
                    25.0       26.0       1.53     0.354
JS
JX
JY
K
24.0       22.0       23.0       100      0^236
22.0       21.0       20.0
21.0       20.0       21.0
                                                                           ..  ,
                                                              23.00      0.51       0.35
                                                              s st-o-;;s- "*^ ^^^;^\-^; ^ ^-^ซ\"^^ ^ j^*'- ^-,4-
                                                              -">>>,-> ^"-"'-V^-v1 -Q^- "^"f;
                                                              21.00      -0.18      -0.35
KT
KX
L
LE
LF
LL
LR
LT
M
MF
MP
MT
MV
MY
N
          21.0
          11.0
          27.0
33.0
23.0
           22.0
           13.0
           23.0
                    28.0
                    25.0
22.0
15.0
23.0
26.0
26.0
1.00     0.236
0.58     0.118       ซw.wi      -v/.v/v      -\r.-nj



0.58     0118       21.67       0.05      -012
2.00     0.473       13.00      -2.95      -3.12   U
2.31     0.473       24.33       0.97^      0.81
3.61
1.53
0.827
0.354
29.00      ฃ59       2.42
24.67      1.09       0.92
• s No data submitted
0 = Insufficient data
                              TAG SYMBOLS
                           Determined to be an outlier
                                                                          & Above control limit
                                                                          s Below control limit

-------
  Strontium-
          Bea.l     R.,.2
NA
NH
NJ
NK
NO
O
OB
                               He,. 3
                                Expe
                                               r.
                                                        anal
                                                              Normalized deviation
                                                                           (known)
                                                                                              Tag
            19.0
                      21.0
                                ,18.0       1.53
                                                     _ __ ,
                                                     ฐ354
  OX
  0YJ
 -ฃ'•
  fa
  PB
  PD:
  PG
  PM
  PQ
  PW
  Q
  QM
 QP
 QQ
 QT
 QU
 QW
 QX
 QZ
 KB
 RD
 RF
 RG
 RI
 RK
 RP
 RR
 RU
 RZ
 S
 sc
 SD
SF
SG
SI
           24.0
           26.0
            <"-'> "S'':"ซ7'
                                24.0
                                         0.58
                     0.118       24.33       0.97      0.81

                    1   '  •-  .^.^^^r'^'^itl-^^ilisaSi- :';Sซ;-X^
                       ....   -  ?•*'-•< -. -^yc.~:* v^a-t'-!.!-.'-"!* •••• **?:y~.V*K&S
           24.0
           13.0
20.0
19.0

20.0
           24.0
           13.0
                   20.0
                   19.0

                   20.0
                              24.0
                              13.0
 19.0
 18.0
=,, \,',.
 20.0
           0.00
           0.00
0.58
0.58

0.00
                                                      ;' - •''*• "-,-ls;, '..-  -"*:' '--|!i>ป;$xi...ซ.'ii)^c•-=• v-'~-"^4>.^"ป!'>''
                                                    0.118        19.67     -0.64      -0.81   '"'  '
0.118

0.000
18.67
     "••

20.00
-0.99
                                                                -0.53
                                                               .  '<
                                                                                     -1.15
                                                                                    *•> *" ;VV-J
                                                                                     -0.69
          19.0
          23.0
          24.0
          21.0

          20.0
          20.0
          24.0
          24.0
          23.0

          20.0
                             20.0
                             23.0
                             24.0
                             19.0

                             21.0
           0.58
           0.58
           0.00
           2.00

           0.58
         0.118
         0.118
         0.000
         0.473

         0.118
            19.67
            23.33
            24.00
            21.00

            20.33
          -0.64
           0.63
           0.86
          -0.18

          -0.41
                                                                                   J, J; ,UrX-, •'ป?'
                                                                                      - • .-,'.'<'?- • ,- ';,:*;."
                                                                                    5V '  •'x- 'iV-' *';!V
                                                                                   - -,->, ,„ ?%& ., -,,^
          -0.81
           0.46
           0.69
          -0.35

          -0.58
  s No data submitted
0 s  Insufficient data
                                        TAG SYMBOLS
                                x = Determined to be an outlier
                                                               tt s Above control limit
                                                               U s Below control limit

-------
                   ESD-LV Performance Evaluation: Blind-B,  21-Oct-1997
                                                                                       21/44
Strontium-90
                                       Exper.   Rng anal             Normalized deviation
Lab     Res. 1    Res. 2     Res. 3     Sigma   (R + SR)   Average   (grand-avg)  (known) Tag
                               14.0
                                         2.52      0.591     ^16.67    ./1-68      -1.85

                                       "•   %^ ' •, ' %     ""   ^ ".- s ^* ^ \"^-. S^ "^*J>* S^~ ^t^ ^"^^'•XV jj-v \ *J? ^ ^' '•3^'*'\? J ^V^^V^S^^VJ^*^^
                                         1.00     0.236
                                               s^ *s^ซ^ (* v
                                         '  <  , - --- , ---, - ':\: -- -*
                                         3.06     0.709
                                         1.00     0.236
                                         2.52     0.591
                                                              24.00       0.86      0.69
                                                              22.67       0.39      0.23
                                                              19.00      -0.88     -1.04
                                                              21.67       0.05     -0.12
                                         1.00     0.236
                                                               12.00      -3.30      -3.46
VO
VT
W
WE  '
WH
WO
WR
ww
X
XA
xc
XD
XF
XI
XJ
XK
XL
XM
          22.0      20.0       18.0

          22.0      20.0       21.0
                     2.00      0.473       20.00      -0.63      -0.69
                     ., vv
                     1.00      0.236       21.00      -0.18      -0.35
                             	 „ ^x'-^o-srwi'''?'
                                   '\ ^ W*** ^ ^
25.0
 \% *v'

22.0
                     25.0
                      t s ^ v\

                     20.0
          26.0

          20.0
           -•  ; • V -;-:;-^-W^^S^^-W^SS
                     ''>''" s* <-  '-•"-•;'.- .\r^^''\X<^'V >?"ป'"''•Sh''"A "' ;\ lv>\" i: ^ *^
                        '^  ","--' i •'" -.%-; .ป•""-'•-','<""•-„-<-!---' -' ฐ'-;^s> *!-<>;x
          0.58      0.118       25.33      1.32       1.15
1.16
         0.236
                               20.67
-0.30      -0.46
                                                                            -,~  " "--.:"- ~ ..   ----4,ป&i'
                                                                                    ~>s;\s-' -ซ'--!s ,ป"&'

                                                                        -K. ^\'.^^t;-;S|
                                                                        >.C,t;'   -•>   \ --;;,-" ----- --^ป-V*
                                                                              '-  -T , ol -T - i>^~-
                                                                        -  _-  ' ••'   - -    :s  <-,•'*--
                                                                        , - -       -       •- -  -V
                                                                                    ~   >.   •• % Ji "S!
                                                                        -.                ^  •• W v
          26.0
          19.0
          23.0
26.0
20.0
22.0
27.0
21.0
22.0
0.58     0.118
1.00     0.236
0.58     0.118
                     26.33
                     20.00
                     22.33
                                                                1.66
                                                                -0.53
                                                                0.28
           1.50
          -0.69
           0.12
 • s No data submitted
 0 = Insufficient data
                                        TAG SYMBOLS
                                 x s Determined to be an outlier
                                                    IT = Above control limit
                                                    Ji = Below control limit

-------


22/44 ESD-LV Performance Evaluation: Blind-B, 21-Oct-1997
Strontium-90
Lab Res. 1 Res.
XN;'> ••' •:"••"'• ' ~ ':•;-
XO ': '•'•' > ' ,} -.-•'•
(•••••••••m

Average Tag
12.00 U
13.00 Jl
13.00 li
16.00
16.67
17.67
18.00
18.67
18.67
19.00
19.33
19.33
19.33
19.67
19.67
19.67
19.67
20.00
20.00
20.00
20.00
20.00
20.00
20.33

% responding labs

10' -----------


-6 -4

• = No data submitted
0 = Insufficient data

Exper. Rng anal Normalized deviation
2 Res. 3 Sigma (R + SR) Average (grand-avg) (known)
'.':•. •'•'- ' '" - -• •<'•"'•- \. ฃ,*;,<,:•,:• v ,-v & :/ป",<, .^--4*
''-•:' • ' - - • • •'- < >~ .:.^^:^K:^>^
Data sorted by Laboratory Average
Lab
VI
QM
LE
CX
SM
AJ
GQ
QW
CO
T
NJ
BA
AL
S
QU
I
AK
XL
VO
TQ
QZ
EB
CA
SI

Average Tag Lab
20.33 BM
20.33 A
20.67 X
20.67 K
20.67 EL
20.67 AU
21.00 W
21.00 SF
21.00 JY
21.00 HK
21.00 DO
21.00 BO
21.33 C
21.33 BC
21.33 AF
21.67 TD
21.67 L
21.67 DT
21.67 CJ
21.67 CE
21.67 BB
22.33 XM
22.33 E
22.67 SZ

Average Tag
23.00
23.00
23.00
23.33
23.33
23.67
23.67
24.00
24.00
24.00
24.33
24.33
24.33
24.67
24.67
24.67
25.00
25.33
25.67
26.33
28.00
28.33
29.00
30.00
45.33 x
Frequency distribution

„ . 	
•Ilili . -.. -

-2 6 +2 +4
Normalized deviation of the mean from the known value

.)

Tag
" '•-'

••i
Lab
JS
BH
AZ
SC
D
BL
AE
ss
SD
Q
PB
LF
DE
M
JE
FE
AW
WR
DZ
XK
CP
UP
LT
CS
DD



m

+6

TAG SYMBOLS ft s Above control limit
x s Determined to be an outlier & = Below control limit J

-------
                 ESD-LV Performance Evaluation: Blind-B, 21-Oct-1997           23/44
Strontium-90

 % responding labs	Frequency distribution
 10
     -6            -4           -2            6            +2
                    Normalized deviation of the mean from the grand average

-------
                  ESD-LV Performance Evaluation: Blind-B, 21-Oct-1997
                                  24/44
Cobalt-60                           Statistical Summary                      182 Participants
The known value of this nuclide is 10.0 pCi/1 with an expected precision of 5.0; the control limits
are 1.3 to 18.7; the warning regions axe 1.3 to 4.2 and 15.8 to 18.7
72(39.6 %) Failed to respond .
1(O.5%) Outliers ••*'
         Statistic
                108(59.3 %) Within all limits
Respondents
••- 1 (O.5 %) In wanning 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
     10.55
      2.03
      4.13
     19.26
      5.55
      0.27
     10.00
      0.00
      0.00
    Grand Avg 10.46
                 1.81
                 3.28
                17.30
                 4.65
                 0.26
                10.00
                 0.00
                 0.00
1(O.9 %) More than 3 norm. S.D. ซ.„
1(O.9 %) Between 2 and 3 norm. S.D.
           . 93(84.5 %) Within 1 norm. S.D.
           '                of known value
     15(13.6 %) Between 1 and 2 norm. S.D.

-------
ESD-LV Performance Evaluation: Blind-B, 21-Oct-1997
                                                 Normalized deviation
                                                 (grand-avg)' (known)
Exper
Sigma
Rnganal
(R + SR)
                              0.118
                              0.000
                              0.000
                              0.118
                              0.118
                              0.236
                     11.33
                     10.00
                     10.00
                     10.33
                     10.67
                     10.67
                             0.473
                             0.118
                             0.118
                             0.236
                             0.236
                             0.354
                             0.000
                     10.67
                     10.67
                     13.33
                     11.33
                     11.67
                     11.67
                     10.00
                             0.118
                     10.67
                       0.07
                                                             0.23
DZ

E
EB
EL
EO
• s
0 a
AW.W

9.0
9.0
9.0
ซIK
J.4.V/
'"•' ' • .•:^'ฅ:i;>s.-";^?:
. - -:-:' -:' '.••-'• . .•: ..!-.•
10.0
10.0
9.0
•'•:;^.::;:y :^:^?H:^SS%:J|^
O.U
'"•";- '';..y;:VV|-:'!.:|!:;'' ";."':!
10.0
9.0
9.0
iilllll
No data submitted
Insufficient
data
X s
z.uu
;:.:•:'•••:.<•• : '•; '"-••' : " •'
0.58
0.58
0.00
:ฃ$:ฃvฃ: •;••:!:•:> •••".':• '"•' ''••'; f '"'' :'-.:'"=•"':
U.473
.;."'" . '. ! -•-' ".":• :''-: •:, ,;.: . J . '•-. .•'• ,'.
0.118
0.118
0.000

10
'•..
9
9
00

'"•'.'•' 'vS-Sy:
67
33
9.00
•'••: .•:•''•'
•;;::;;..; :::
'••:Wi

TAG SYMBOLS
Determined
to be an outlier


-0.16
.:5'^:^!^:''::^^:S'?:^::-:::^:^:^:':-/^ &?5:$ :
-0.28
-0.39
-0.51

ft = Above
Jl a Below
0.00
:;K^:-:v-S -tt.:;':; W VE'W'^s v ;'' ': >' ^
i8$|:i::ฃ '^-X '(K^1' "•:' ' -^ ''\i>*:?':??
-0.12
-0.23
-0.35
•;!$v:::j^
control limit
control limit

-------
                   ESD-LV Performance Evaluation:  Blind-B, 21-Oct-1997
                                                                                 26/44
Cobalt-60

Lab    Res. 1
                                Exper.    Rng anal             Normalized deviation
           Res. 2     Res. 3     Sigma   (R +  SR)   Average  (grand-avg) (known) Tag
BRฃ; "*^&^;.:-\
jjy;'-   V'-"'' :—'*•"  ,x":ฃ•:'
                                         0.00      0.000
                                         0.58      0.118
JE
JG
JM
JN;
JQ^
JS
JX
JY
K
KE
KT
KX
L
LE
LF
LL
LR
LT
M
MF
MP
MT
MV
MY
N
   10.0      10.0       11.0
   10.0      11.0       12.0
   10.0      12.0        9.0
 •  10.0       9.0     ^lO-O
       ^ \ ^  *     ••  * '-.H, V •.  ^ *'^X

   10.0      10.0       10.0
    9.0       9.0        9.0
s • •.%>ป^>tA. x^ป>* ^^"x*"^ \*- * Y^T*(''VS" "s 5^ % ^* ^^v s y
"\\C? ^^^^^?^>--;,;^:^-
   12.0
   12.0
   14.0
   10.0

    9.0
   10.0
    9.0

   10.0

    8.0
    9.0
12.0
10.0
13.0
15.0

 9.0
10.0
 9.0

11.0

 7.0
10.0
11.0
100
12.0
11.0

10.0
10.0
10.0

11.0

 8.0
10.0
                     0.00
                     0.00
0.58
1.15
1.00
2.65

0.58
0.00
0.58

0.58

0.58
0.58
                    0.118

                    0.000
                    0.000
                      9.67

                     10.00
                      9.00
                       -0.28

                       -0.16
                       -0.51
                     -0.12
                     • x  *v '
                      0.00
                     -0.35
   ">
0.118
0.236
0.236
0.591

0.118
0.000
0.118

0.118

0.118
0.118
11.67
10.67
13.00
12.00
"•"^  \^ V "
 9.33
10.00
 9.33

10.67

 7.67
 9.67
 0.42
 0.07
 0.88
 0.53

-0.39
-0.16
-0.39
-.-. ^ ^.w.   •• •<

 0.07

-0.97
-0.28
 0.58
 0.23
 1.04
 0.69
-0.23
 0.00
-0.23

 0.23

-0.81
-0.12
 • = No data submitted
 0 = Insufficient data
                          x =
                                 TAG SYMBOLS
                              Determined to be an outlier
                                                     tt = Above control limit
                                                     $ = Below control limit

-------
27/44
ESD-LV Performance Evaluation: Blind-B, 21-Oct-1997
Cobalt-60
Lab Res. 1
'•'•TV A x. --1
;:! llA - '• *
NH
NJ
NK
NO
O
OB

OF*. '--, ' ,,/,'
OM
ii. ' **t ' 1
' oS*"1' ' " ' •* ^-^
•'bxv;< •"'•••''''
• ?/!?>'' "


P
PA:""*' ;
PB
PD

PC' '*
PM
PQ ?'
PW
Q
QM
QP
QQ
QT
QU
QW
QX
QZ
^*"
RB
RD
AmM^
RF
RG
RI
RK
RP

RR
RU
RZ
s
cr<

9.0
9.0
8.0
15.0
13.0
10.0
X ~- ' ,, ' ',-
•i'i *' * '-
9.0
" z~-s "-Stt-A* f
^ ,' '*ป *^*
>ฃ•}' f'^3\
X/ '{$& •$


8.0
' ;.:;-;:^
10.0
10.0

, -. '-• -
14.0
,- -',-. ,
9.0
12.0
14.0
10.0

10.0
10.0
12.0
12.0
10.0










7.0
8.0
on
Res. 2
> '*
9.0
9.0
8.0
18.0
11.0
10.0
X.- Z ''"\'7i .."Ts
X'f'-'-^^'.'W:^
9.0
* < 'V .•ฃ •*"•ป; 'f <*J
<;V ฃ ', v!'*",'
17.0
*' *., * 's
10.0
7.0
15.0
10.0
ป'-;;'v^-' ';-fe
10.0
11.0
11.0
15.0
10.0


' * ' ''

* ., -->,-,'
•,"" , *.'". '




7.0
9.0
100
Exper.
Res. 3 Sigma

9.0
10.0
7.0
20.0
11.0
10.0
,iฃ/ซ4T"/'Cฃ"™t'" '•
';;,^t''>'~A-;:,x-!%t;> /,'';',' -
8.0
*Jงi'&"y^*"-*ปA'4 "^ " s " '"
^^^s^'^^r'jE *T^'
i^f^f^v^
'C!,ซf?*%>/' --*,''' %;


15.0
^;ixr -,
10.0
9.0

iH -"'•','
10.0
;^^.;v'.;<- --'-
10.0
9.0
12.0
9.0
^^^v^'V <
9.0
12.0
12.0
13.0
11.0
> •& "• ' -

""-1:-V>"^'.'


/ ""- ' " '




5.0
9.0
10.0

0.00
0.58
0.58
2.52
1.15
0.00
^ ' "
"-,''; - '-"^
0.58
-+
x!" '
f- ;>">'

>"S • , •'

3.61

0.00
1.00


3.51

0.58
2.52
1.53
0.58
^ V, U/
0.58
1.00
0.58
1.53
0.58










1.15
0.58
0.58
Rnganal
(R + SR)

0.000
0.118
0.118
0.591
0.236
0.000
, ' ' ' • •* • • ',<
- • - • >*,, '..*,,
0.118
^ % ' j <• '" " •."• A
-^' V^'' ' T**3^"i
y':-^c,:~f^
'' , " '.•/" V u


0.827
, ' ' ' ;.-
0.000
0.236


0.827
- :'. / '<-
0.118
0.591
0.354
0.118

0.118
0.236
0.118
0.354
0.118










0.236
0.118
0.118
Normalized deviation
Average (grand-avg) (known) Tag

9.00
9.33
7.67
17.67
11.67
10.00
' •„' "Vs,"* y ""y^-y^
'?-";•-','"- '^'"9^'ฐ^
8.67
•f { \ * v-fs * ^ -**^ ^-xST^ ''X^^^
' ^ity*'- 4^'^i^^^l^
*ฎ^J^OT
*C ^ ^t'^S^^^H?
f s *x.,"i'v ^*i^v" ^y^sfe,*--
1 f*^ * " ซv^ 5
12.00^
""f/i-'t^;^
10.00
10.00

----- *' <,',$ :''=i^
9.67
9.33
13.67
,.?51^.,
*.V, WA!-"f>*"-^
9.67
11.00
11.67
13.33
10.33
/ ~\
->

' ; -"-*ซ'\

" ' . '' -"




6.33
8.67
9.67
"'^
-0.51
-0.39
-0.97
2.49
0.42
-0.16
5SFI\?ฃJ7"ฃ?C'"'!'
&^'ftVf:-^r
-0.62
^*^?^> 55*^^*5. i;^ ^
^'^js>' 't' , L ^t'''*4^^''?^^.^^'*'-1^*' ^"J?^*"
**>? *vf' vL^ rf^x^ i?,' ^^ ^'o
|t"^l%;^^
l^i^i ''^2/v-^'i ;-Fซ?


_^0.69^__^M
^v^;;"r,V^; ''' *?i
0.00
0.00

-, .;X - i;- ;?*f-s
1.21
-:'->'>!''"'%^- -*rv
-0.12
0.35
0.58
1.15
0.12
'".;•>'•ฅ•;•;,
% . <%^"*<*
'. • ''ป:''•.:'
i\^^' ^,;^^;
7" ""'•'•'• v ' x "* *** " ""' ^^^^5
v[ ^; \~" !. ' 'i^'^v ^ ^ ^v ^,
„ "% ^'Av-;;-*- ,,'
," , .• ,;>- -.*,,- ^


• v , x '' , '* , > * ' *
• " • , -' ;-'/- ''-*'?::'
-1.27
-0.46
-0.12
                  0.118        8.67
                  0.236       11-67

                  0.236       11.00
       TAG SYMBOLS
x s Determined to be an outlier
0.58
1.15

1.00
-0.62
 0.42

 0.19
-0.46
 0.58

 0.35
                                ft = Above control limit
                                U = Below control limit

-------


Cobalt-60
Lab Res. 1
SL
SM
SN
SO.
SR
ss
sx
sz
T
TD
ISฃ
TQ
TS
IT
u
YTA "
^J*m*
UK
UP
:UQ
UY
VA
VC

VH
VI
VJ

VM
VO
VT
W

WE
WH
WO
WR
WW
X
XA
XC
XD
XF
XI
XJ
XK
XL
XM
: •',:;,: c.X-y:,fe<
10.0
9.0
', , "• ' r,'',-\,-
12.0
11.0
10.0
10.0
8.0
	 14.0^ ^
i;4?ฃ:>:i
8.0
;? -? 0 Vrr.- ;
" ;•>-- *. -•. J \ *• , -; ^
' *'-.-,
SNX , '^
^ \ *' s %i iV ; V;
^ \ '•''< s -- * ^ \ ^
17.0
10.0
;"^lv
12.0
15.0
9.0

>' :>'^\^;
7.0
'' ' - s.
*• \ ^ "•
' - ,-,"; '.y~.
9.0
11.0
9.0


.'; •- -^
11.0
10.0
9.0
18.0
9.0


10.0


8.0


ESD-LV
Res. 2
,c>-\C.v;^
13.0
.^$.0^_
v--"-A\ J.f;^;s-
14.0
10.0
10.0
9.0
8.0
,^JM,..

9.0
^'H-'*>,;^> V
v ^ ^ <.\ ^- f\^ ^ ^
^ ,"^V v;//V\s,*
\*%^ ^.\ ^^N" ^ -, Os •- <""*
••--,> \^x* s ^^j-^
16.0
^_11.0 ^
:-^',k3:ป'--v -1- '•
12.0
12.0
10.0
'"• ^\ •••• "• -y •.
W,V * v=; v*
_8.0_
••^•••.^ ^ _v™ " %
"•* \ •• i"- '
-:r^^i?^s, -
n!o
11.0
12.0

s>™^$;uv'-
V^'1^"'' ^b
1LO
10.0
9.0
15.0
10.0


10.0


10.0
'•' •••''.. :••••

Performance Evaluation: Blind-B, 21-Oct-1997
Res. 3
;A -=4, •-.
11.0
9.0
•\' •i^r^;^1
12.0
9.0
10.0
11.0
10.0
14.0
*r " -*^;'- "
! \
9.0
sb Vts s ""
J-,,;-{ -; ,
>'; > ;•' ป,\ -
'-1 ,' -Tc1^1'
; vv ^ s .
13.0
11.0
>:-'^,<
11.0
14.0
10.0

-V<--,v
9.0
tซ :-' - . . -
;", -! '• , 'i.\- "

15:0
10.0
8.0

~\ x\ -
d-;---
10.0
11.0
8.0
13.0
10.0


11.0


9.0


• s No data submitted
0 =
Insufficient
data
x =
28/44
Exper. Rng anal Normalized deviation
Sigma (R + SR) Average (grand-avg) (known) Tag

1.53
0.58
, --- , - ' ;"-\\
1.15
1.00
0.00
1.00
1.15
1.15
, " : -;;; / '
0.58



, ;,

2.08
0.58

0.58
1.53 .
0.58

-
1.00
-


3.06
0.58
2.08



0.58
0.58
0.58
2.52
0.58


0.58


1.00


' ^ ^ ; ^ * * -
0.354
0.118
-^--;.\ง^Sk%^
11.33
. J^67.v.,.w
C, 'vx>:5 ,~|p^ti^: ?.
12.67
10.00
10.00
10.00
8.67
_^JL3.33^_

8.67
•'!W%"v™^^^F'>
ifl >S^::>?:^C^^ฅ'':--?x^
^^•^l^^c^
;v' s,-%•• ^ ""0 v.1*^ ^ •*
;\~ , , X^V ^^ ^-v-^:;T^;;c
11.67
10.67
9.67
v^5^ ^ซJ*^ ^" 4 ^ ^"^X*/*

.-:•;. -t'-lVV:t '"'
10.67
10.33
8.67
15.33
9.67
\-\ * -v

10.33

"' / .'
9.00

-, \ >) _!
TAG SYMBOLS
Determined
to be an
outlier

0.30
-0.62^^^
-Ifi^f^'^v^i
0.76
-0.16
-0.16
-0.16
-0.62
..HSU^-

-0.62
T^^^rSs
^x^^lfcl:^
^f^^^v^
yV "*ฃHV^j*
^i*ซv!|^,Ht"
^0.42
0.07
-0.28
\ W.S^VN'.v. \ Wl^ .^VW.-.VrtfW%
vi>- '\\'f'^
T'-'^f^T
0.07
-0.05
-0.62
1.69
-0.28
" s' \ \- ^ i\
;- :' ^ V ' -
-0.05


-0.51

" v , ' • ' ••
IT s Above
i^|^^*^
0.46
JX46^_
il'|S3k*%I^;i?
0.92
0.00
0.00
0.00
-0.46
1.15

•OL46




^^^^^^^^^^^^^
1.85
0.23

0.58
1.27
-0.12

-,e"^V^I^%
-0.69
^f|vS|>|i|||iS|
^ss $.ซJ^;f^\^;j^\^.^^3iซ&*
^lฅ|~l^lw
Q.5S
0.23
-0.12

J^^T^S,^*^
;i?\\>^p|ป^
0.23
0.12
-0.46
1.85
-0.12
^>j?^if^ji
,\,V S;^"\^
012
^;^**I3
^ - " >P?
-0.35
:>V,!;t:^^
-- "* S * "" "^ ^^^A^^V
control limit
li = Below control limit

-------
29/44 ESD-LV Performance Evaluation: Blind-B, 21-Oct-1907
Cobalt-60

Lab Res. 1 Res. 2
- JENx '?•* ' x/ '* • < -.;•<' * /- -V'- ,-,-<-
• Trt^''!-'' "•''?••''' " -"-'' r'' ',•''"' ^^?'^'—'
*V -''' '*..'." '"'"':'.

Exper. Rng anal
Res. 3 Sigma (R + SR)
-'•vV^V- '• .:'---'
V;V'V '".';(f '/'"' ' , ' ; ,.


Normalized deviation


Average (grand-avg) (known) Tag
-: ฐ '' >•' - ' :^vCT &'•$& ^CC?^&^&
v,'cป^\,.v ,'; ^ r \/l^^^-^:f~^^:s^ff^^t^,.

"*X*x^
fS^
* 	 ^
Data sorted by Laboratory Average
Average Tag
5.00
6.33
7.00
7.67
7.67
8.00
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
9.33
9.33
9.33
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

|| • = No data submitted
105 Insufficient data
Lab
IU
RZ
FE
NK
MV
VI
WW
TQ
T
SN
SD
S
OM
AU
XK
NH
K
EL
AH
A
Q
NJ
M
LR
EB
BB
AZ
XA
W
VC
SC
QT
QP
PW
MY
JS

Average Tag
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
10.00
10.00
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
TAG SYMBOLS
x s Determined to be an
_ 	 ...
Lab
I
E
BC
SZ
sx
ss
PD
PB
OB
LT
JY
HK
GQ
DT
DE
D
CA
BL
BK
AF
XF
WR
QZ
JM
JE
FL
C
BM
WO
VT
UP
MP
L
DO
CJ
CE
BO
Average Tag
10.67
10.67
11.00
11.00
11.00
11.00
11.00
11.33
11.33
11.33
11.33
11.67
11.67
11.67
11.67
11.67
11.67
11.67
11.67
11.67
12.00
12.00
12.67
13.00
13.00
13.00
13.33
13.33
13.33
13.67
13.67
13.67
14.00
15.33
15.33
17.67
20.33 x
ft s Above control
outlier ^ s Below control
..
Lab
BN
AK
SI
QU
JG
FJ
AE
SM
CP
BH
AW
VO
UY
SF
QW
O
KX
HL
CX
CS
P
LF
SR
LE
BA
AJ
TD
QX
CO
VA
QM
PM
AL
X
UK
NO
DD
limit
limit I
#

-------
                 ESD-LV Performance Evaluation: Blind-B, 21-Oct-1997
                                               30/44
Cobalt-60

 % responding labs
Frequency distribution
 10
                                               t
                  -4            -20           +2           44
                     Normalized deviation of the mean from the known value
 % responding labs
Frequency distribution
 20


 10
                                r*-—f-
               JjL
                   -k            -2      '      6   .   •      +2
                     Normalized deviation of the mean from the grand average

-------
                  ESD-LV Performance Evaluation: Blind-B,  21-Oct-1997
                                  31/44
Cesium-134                         Statistical Summary                     182 Participants
The known value of this nuclide is 41.0 pCi/1 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
72(39.6 %) Failed to respond ,
4(2.2 %) Outliers	
1 (O.5 %) Out of control
     but not an outlier


         Statistic
                ; 88(48.4 %) Within all limits
Respondents
17(9.3 %) 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
     37.67
      5.95
     35.40
     15.79
     -8.12
     -0.56
     37.50
     -8.54
     -0.59
 Grand Avg 37.83
              2.87
              8.23
              7.58
             -7.73
             -1.10
             37.67
             -8.13
             -1.16
5(4.5 %) More than 3 norm. S.D.
17(15.5 %) Between 2 and 3 norm. S.D.
            41(37.3 %) Within 1 norm. S.D.
                           of known value
    • 47(42.7 %) Between 1 and 2 norm. S.D.

-------
32/44
Cesium-134
Lab Res. 1
A
AE
AF
AH
AJ
AK
AL

AP

AR
AU
AW
AZ
BA
BB
BC
BO
BH
BK
BL
BM
BN
BO
BS
BW
C
CA
CC
CE
CJ
CO
CP
CS
CX

DB
DD
DE
DI
DO
DT
DZ
E
EB
EL
EO
• =
0 s
40.0
41.0
41.0
35.0
33.0
36.0
54.0

'' ,' I"1" " - "'\

' -"' '..s'^l^-l?''*'*
35.0
37.0
41.0
38.0
38.0
37.0
•/'- >;'V' ':~:'
42.0
36.0
41.0
39.0
38.0
44.0


42.0
36.0

39.0
42.0
38.0
40.0
38.0
39.0
37.0

79.6
36.0

39.0
36.0

38.0
33.0
40.0

ESD-LV Performance Evaluation: Blind-B, 21-Oct-1997
Res. 2 Res. 3
41.0
38.0
39.0
38.0
36.0
35.0
47.0

'< - ?C'; ,V/r'~;>r
36.0
39.0
40.0
39.0
39.0
37.0
:" V^I/'^-'t
42.0
36.0
39.0
38.0
37.0
43.0


41.0
37.0
.
39.0
41.0
38.0
40.0
39.0
35.0
36.0

TfcO -
37.0

40.0
34.0

40.0
32.0
38.0

40.0
40.0
40.0
39.0
33.0
36.0
45.0

/^ .. .-

^^ '
36.0
38.0
41.0
38.0
41.0
36.0
- ** f , * r
40.0
36.0
37.0
40.0
38.0
44.0


42.0
39.0
-%•-> v
38.0
41.0
40.0
36.0
38.0
41.0
36.0

80.0
37.0

40.0
36.0

37.0
33.0
40.0

No data submitted
Insufficient
data 	
X 3
Exper.
Sigma
0.58
1.53
1.00
2.08
1.73
0.58
4.73


'.• .. ' ' *s
'"" ~~ ' -.
0.58
1.00
0.58
0.58
1.53
0.58
:-
1.15
0.00
2.00
1.00
0.58
0.58


0.58
1.53

0.58
0.58
1.15
2.31
0.58
3.06
0.58

0.58
0.58

0.58
1.15

1.53
0.58
1.15

Rnganal
(R + SR)
0.118
0.354
0.236
0.473
0.354
0.118
1.120

•. ' -.-. ' -. ' '

-'- V^ &'-'' l^--
0.118
0.236
0.118
0.118
0.354
0.118
*" .-
0.236
0.000
0.473
0.236
0.118
0.118


0.118
0.354
'c.
0.118
0.118
0.236
0.473
0.118
0.709
0.118

0.118
0.118

0;118
0.236

0.354
0.118
0.236

Normalized deviation
Average (grand-avg) (known) Tag
40.33
39.67
40.00
37.33
34.00
35.67
48.67

" '^ "' r;'?" ':iS^';.

't^'Jv' r^v'/y^l^
35.67
38.00
40.67
38.33
39.33
	 36.67
*"r-'^x'< -";/ V^-.-|?b
41.33
36.00
39.00
39.00
37.67
43.67
-". " i
'•' ' -• ,v,;> ;i'.
41.67
37.33
-; ,\, '',,-:• ',•.'*"-"?;'
38.67
41.33
38.67
38.67
38.33
38.33
36.33

70.33
36.67

39.67
35.33

38.33
32.67
39.33

TAG SYMBOLS
Determined to be an
-^— ^"— ii ••" """ '
outlier
.
0.87
0.64
0.75
-0.17
-1.33
-0.75
3.75

'^v'/V/

^^(4,'C •- ,
-0.75
0.06
0.98
0.17
0.52
-0.40
-f- V -*i ^s>
1.21
-0.63
0.41
0.41
-0.06
2.02
5 > ',
'-v.--^ '' '
1.33
._;9-17~
&$* -/'<---
0.29
1.21
0.29
0.29
0.17
0.17
-0.52

14.38
-0.40

0.64
-0.86

0.17
-1.79
0.52

-0.23
-0.46
-0.35
-1.27
-2.42
-1.85
2.66

\r /,/ .\^ซ&- • ;>-'> >ll^ V-ซi:*x;
-1.85
-1.04
-0.12
-0.92
-0.58
-1.50
Y^'^'^r-^v
0.12
-1.73
-0.69
-0.69
-1.15
0.92
' .•- ;-:- '\ -, *•-',
,U ->,!-,_- ^\ '•!,,,--•
0.23
-1.27 %^^_
••; &!X.f' - ?:; X'^y"- i^ ป,
-0.81
0.12
-0.81
-0.81
-0.92
-0.92
-1.62
• ' ••
13.28 x
-1.50
*•
-0.46
-1.96
*
-0.92
-2.89
-0.58

ft s Above control limit
Ji = Below control limit J

-------
Cesium-134

Lab    Res. 1
        Res. 2
        Res. 3
                            Exper.   Rng anal             Normalized deviation
                            Sigma   (R + SR)   Average   (grand-avg) (known) Tag
           lUlg CLUdl            11UI UlUllXCU UCVlttLlUU
          (R +  SR)   Average  (grand-avg)  (known) T
    , .  ••   • ..'ซiv/-\..- ^^^il^V^'Mf^"^^^-^
            - -- -  -, "  sx>o~  \i-,-v • < - ^.s'-l T'V -^V-^>\-- ,JUS v-!^~
         -  >'<.'•": ^•<\;^^:^;^^:!;^^^€i^^;f^%-
            -, ,,-•,'  ,,--- -o,-,=~:v ;-^-\-vx.vVvvVป.--•>-xi ซ*-|;v-.:--•.' ' : '-"^ !Xt't^-^^%^^^<'^\^'-^'xVV^!^^-s**,V
    4.62	0.945      IHJ-^.——.--  ^ฃ$*v*-~~ซ^

    0.00     0.000       36^00     -0.63     -1.73
    1.53     0.354       37.67     -0.06     -1.15
 " " r^^V .JV V^.01 X^XC*^1?^ ^S^ T*^C
        O   /-."••*  ฐ •• *•  s •. A>s vA *   v.\ O •••.•* w ^-\ s i.\* •> •• s •". s s ^ -.X *ป\ \<\ \ •• "•  sv*%w s\\ -^  ^
 _  0.00	 .0;|^,^^^JW-W_^_ 0.75^ ^,^545^^^,,
ER
EV
EX
FE
FJ
FL
FN
•Cfcs
GQ
39.0

36.0
36.0
31.0

36.0
38.0
                    31.0
                    ?  .  -"
                    36.0
                    39.0
40.0
40.0
 ffl
 HK
 HL
 HP
 HX
 I
 m;;(
 iu
 j
 JE
 JG
 JM
 JN
 JQ
 JS
 JX
 JY
 K
38.0
38.0
37.0
37.0
40.0
41.0
38.0
 37.0

 36.0
 36.0
33.0
39.0
40.0
37.0
                    40.0
                    \ t "X l^V"
                    VC^ -
                    33.0
                    38.0
                    38.0
                    37.0
    2.89     0.591
    0.58     0.118
    1.53     0.354
     34.67      -1.10
     38.33      0.17
     38.33      0.17
 'T' ' ft-: ^'T^T^-V1-;;:- V-^jr-^Cs ~;V?\\ซ,T5v^i\*^
 •. * *••*•• i ^'''' ^ %Vv  ""   "I ' " ^'V '•'' '"V •."••'' >  'Os    •• '•"'V s%-'\.'k ^ ' '•'•'^
•ป. ••*, s x~x- x^,-_ ,,_,< -; ! \;-,^\;-
33.0
40.0
35.0

37.0

24.0
30.0
•
--* ^, ^\^s^V""
1 ^ " •-X'' *
40.0
38.0
44.0
40.0
-\"S • ' !, '
36.0
36.0
33.0

35.0

24.0
29.0

-" " ^ \\ -
* ?"
39.0
39.0
44.0
41.0
- - \ , , -
36.0
36.0
35.0
•>-,
36.0

25,0
30.0

No data submitted


0.58
0.58
0.00
0.58

1.73
2.31
1.15

1.00

0.58
0.58

, - \;o"'~- •
•x '
0.118
0.118
0.000
0.118

0.354
0.473
0.236

0.236

0.118
0.118

: '''""'*';; r^x";-;>>
'\"v ': ~,:V<^-
39.67
38.33
44.00
40.67
^-•M^^ Ss\^-Vf
35.00
37.33
34.33

36.00

24.33
29.67
'.',' '.?•'-•; -,S;A,''
TAG SYMBOLS
\^ ^^\V ^'- , vVs5"^
.~;\X/V^' ''„ v y
0.64
0.17
2.14
^0.98
•• \,s __•• ^J!;'-'' '^ •-v-.\
-0.98
-0.17
-1.21

-0.63

-4.68
-2.83

ft s Above
JL = Ralnnr
^ -x\s N N*\**\ ^ ป|% ;~ s
:
-------
                   ESD-LV Performs
           Evaluation: Blind
                                                                   Normalized deviation
                                                                            ). (known)
  s No data submitted
0 = Insufficient data
      TAG SYMBOLS
x = Determined to be an outlier
It s Above control limit
  = Below control limit

-------
                  ESD-LV Performance Evaluation: Blind-B, 21-Oct-1997
                                                                            35/44
Cesium-134
Lab
Res. 1
Res. 2
Res. 3
Exper.
Sigma
       Rng anal
      (R + SR)
                                               Normalized deviation
                                      Average  (grand-avg)  (known) Tag
                                                   0.06      -1.04
                                                   1.44      0.35
                                                   -0.75      -1.85
                                                     38.00
                                                     42.00
                                                     35.67
                                         0.118       35.33
                                .0
                                1.00
                                3.06
                               ,-•.-•.  ••
                                3.21
                                2.31
                                1.15
                                1.15
                                1.00
                                1.73
                                        1.53
 vo
 VT
38.
41.0
                      33.0
                      36.0
                                        3.51
                                        1.00

                                        2.00
                                        4.36
                                        0.58

                                        0.58
4.51
2.65
            1.120
            0.591
                                 37.67
                                 39.00
w
WE

WH
WO
WR
WW
X
XA
XC
XD
XF
XI
XJ
XK
XL
XM
39.0



30.0
37.0
41.0
35.0
36.0


36.0


38.0


36.0
" \-' :^;'';' "

' " ' >*•-•* ,y ->-
37.0
38,0
37.0
42.0
39.0

'
37.0


36.0


38.0



34.0
39.0
34.0
35.0
39.0
- +
,.
36.0
:• \\ .-

37.0


• 3 No data submitted
0 =
Insufficient
data
x =
1.53 0.354
•\


3.51 0.827
1.00 0.236
3.51 0.827
4.04 0.827
1.73 0.354
-

0.58 0.118


1.00 0.236


TAG SYMBOLS
Determined to be an
==^^=^===
	 ,^37.67^
*v ' ^v<^-r- >

"V s
33.67
38.00
37.33
37.33
38.00


36.33


37.00



outlier
====^=
-oj*L_~^
•x- .;^tx t,,^?;'-""'-^'

'*""" \!' * ' s "- •''•'
-1.44
0.06
-0.17
-0.17
0.06
^
-
-0.52

•-
-0.29

-">> ; - 'ฐ'->
It = Above
Ji s Below
=
-1.16 _^,,^
W^f'^^&l

Y
-1.62
* ,
*
-1.39
•. \ " ^ **•
' 	 v. -\*.ft...
control limit
control limit
Jj

-------
(l~ 	
[36/44 ESD-LV Performance Eval^o^ Blind-B. 21-Oct.lM7 ^\
f Cesium-134

Lab Res. 1 Res. 2

Exper. Rnganal
Res. 3 Sigma (R + SR)
	 	 	 	 	
Normalized deviation
—}
1
	 Average (grand-avg) (known) Tag |

Data sorted by Laboratory Average
Average 	 Tag 	 Lab 1 Averaซป TOป T u i ป
lolx) x
20.00 x
24.33 x
29.67 Jl
32.67
33.00
33.67
33.67
33.67
34.00
34.33
34.33
34.33
34.33
34.33
34.67
34.67
35.00
35.00
35.00
35.33
35.33
35.33
35.67
35.67
35.67
35.67
35.67
35.67
36.00
36.00
36.00
36.00
36.33
36.33
36.33

• 5 No data submitted
0 a Insufficient data
Lab
P
IU
MV
MY
EB
SF
WO
NK
FE
AJ
TQ
SX
SR
8D
M
Q
HI
SC
s
LR
VI
OM
DT
VC
UK
SZ
PM
AU
AK
MP
JY
FJ
BK
XF
NJ
D

Average 	 Tag
36.67
36.67
36.67
36.67
36.67
36.67
36.67
37.00
37.00
37.00
37.00
37.00
37.33
37.33
37.33
37.33
37.33
37.33
37.33
37.67
37.67
37.67
37.67
38.00
38.00
38.00
38.00
38.00
38.00
38.33
38.33
38.33
38.33
38.33
38.33
38.33
38.67
TAG SYMBOLS
x = Determined to be an
Lab
SN
SI
PW
JS
JM
DE
BC
XK
UP
TD
QZ
I
X
ww
NH
LT
K
CA
AH
W
VO
FL
BN
XA
WR
UY
T
QT
AW
L
HL
HK
E
CX
CS
BA
PD
Average Tup
38.67
38.67
38.67
39.00
39.00
39.00
39.00
39.00
39.33
39.33
39.67
39.67
39.67
40.00
40.00
40.00
40.00
40.33
40.67
40.67
41.00
41.33
41.33
41.33
41.33
41.67
41.67
41.67
42.00
42.00
42.00
42.33
43.67
44.00
45.67
48.67
79.33 x
IT a Above control
outlier U = Below control
Lab
CP
CO
CE
VT
SM
JE
BM
BL
EL
BB
KX
DO
AE
QP
QM
GQ
AF
A
LF
AZ
O
ss
RZ
CJ
BH
QX
QU
C
VA
PB
JG
QW
BO
LE
NO
AL
DD
limit
limit

-------
                 ESD-LV Performance Evaluation: Blind-B,  21-Oct-1997            37/44

Cesium-134

 % responding labs	Frequency distribution	
 10-
  OJปT
     -6            -4            -2            0            +2
                     Normalized deviation of the mean from the known value
 % responding labs ___ Frequency distribution

 10-
                                                                              T      I
     -6            -4            -2            0            +2           +4
                     Normalized deviation of the mean from the grand average

-------
                  ESD-LV Performance Evaluation: Blind-B,  21-Oct-1997
                                  38/44
Cesium-137                         Statistical Summary                      182 Participants
The known value of this nuclide is 34.0 pCi/1 with an expected precision of 5.0; the control limits
are 25.3 to 42.7; the warning regions are 25.3 to 28.2 and 39.8 to 42.7
71 (39.0 %) Fallsd to respond ;
5(2.7 %) Outliers	
1(O.5 %) Out of control •—
     but not an outlier


         Statistic
                100(54.9 %) Within all limits
Respondents
5(2.7 %) 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
     35.56
      5.54
     30.68
     15.58
      4.59
      0.28
     35.00
      2.94
      0.18
Grand Avg 35.51
             2.40
             5.78
             6.77
             4.45
             0.63
            35.00
             2.94
             0.42
6(5.4 %) More than 3 norm. S.D
5(4.5 %) Between 2 and 3 norm. S.D
             77(69.4 %) Within 1 norm. S.D.
                           of known value
                                                                          in 1 and 2 norm. S.D.

-------
                ESD-LV Performance Evaluation: Blind-B, 21-Oct-1997
Cesium-137
I Lab
I1
A
AE
AF
AH
AJ
AK
AL
KAPl!

L'AHlI
AU
AW
AZ
BA
BB
BC
NiirpKi
••••litwpf
BH
BK
BL
BM
BN
II n^*v
B0
BSlfi?
••B'wil
c
CA ...
CCR*
CE

rn
CO
CP
cs
nX
D
DB
DD
DE
DI

DO

DZ

E
EB
EL
EO
• = No
Res. 1 ReS. 2
34.0 33.0
34.0 34.0
36.0 37.0
32.0 34.0
35.0 32.0
35.0 35.0
31.0 36.0


34.0
34.0
33.0
31.0
34.0
34.0
W/rnimmmmt
36.0
35.0
33.0
35.0
37.0
35.0
:'. ' ';'..^'-i ':>.. ":::- :i-!':'
V4&%$$tf&&&$.
34.0
35.0
36.0
37.0
32.0
35.0
36.0
28.0
34.0
• ••:•-.:. .,'- '••••' ':•. :.
• ;::""-::'":;-/^:,f-'
vi&Ei
32.0

35.0
34.0


34.0
35.0
34.0



	 32JQ
35.0
31.0
31.0
36.0
36.0
37.0
36.0
35.0
35.0
36.0
36.0
.*V:K**;:x-:":*~:-.< ~,...: :.ซ>:<ป;ซ,,,
Sli*iiSSSii!5Si'SiIiiii
183111111111
33 0
ซ,J6J).. 	
36.0
36.0
33.0
35.0
41.0
38.0
34.0

33.0
•• ••' '. • .'.'..''.•':••:.'-'.. •••'••• f .' f'-ff .-ฃ.•*' :•
......... .••;,••.-••,.:;.
40.0
37.0


34.0
36.0
33.0
':-''!:^&Kii&m
Res. 3
— -~— ^—
33.0
35.0
40.0
37.0
35.0
34.0
34.0
^BiiliRi


:^^!:Sfe::iS::::-::::::::;:;:::::::;;^>!:::i:::::
- .•- -•-•.•.•.• •.•.-, -.-.•.-. : :•••:•:•: :•:•:•:.:-:-;.:.:.;.; .
35.0
36.0
34.0
30.0
37.0
35.0
38.0
35.0
32.0
34.0
37.0
,37-0
llitilllfilll

33 0
_J5.0 	
36.0
35.0
35.0
34.0
39.0
35.0
34.0
tilfllilf
v:;::S& 7fi fl ••X-^XX;-
#S^'f™W$t#$&
33.0
tฃ W-'^~ '•'"': '''&-ฃ'':i$':f-
39.0
33.0
•'"•'•-,-..' ''.'•"••'''•'" '"' " v !' ...••••''

34.0
35.0
34.0
lilt^f
data submitted
|^0 s Insufficient
data
-
Exper.
Sigma
— ^— — — — „
0.58
0.58
2.08
2.52
1.73
0.58
2.52
liiiiiiiit


153
1.00
1.53
0.58
1.53
1.00
1.00
0.58
1.53
0.58
0.58
1.00
ซgf;sas:s>js;W!!
|!-ปf:sSss;;5s*SSs 	 s
i:::;::.::;;-':-:::^:.:.:-^::':':f:;:yj>:':;::.j:::'':^-;:
IlllilllfilSI
0.58
__0.68
0.00
1.00
1.53
0.58
2.52
5.13
0.00

0.58
^w.;-.!';Pf^^
•:;V:'.- ?."••: :--i--:::'?---fr'-'-:- '•:•'/•••
2.65
2.08


0.00
0.58
0.58
•>':":-' '••'!:•• •'-'/'•-^
Rnganal
(R + SR)
0.118
0.118
0.473
0.591
0.354
0.118
J).591
SSsivSwS^

	 0^54™""*™*
0.236
0.354
0.118
0.354
__0^36/
Q^g—""*"-
0.118
0.354
0.118
0.118
0.236

oils V'''''"'T:'
,,,,,,,,,.9.:.i18...
0.000
0.236
0.354
0.118
0.591
1.345
0.000
iililliiliillll
%iz:'-t$$(f^si&%K$
0.118
• ' •• . ||,K. ';'-•-• :..;-..-... .1 '.•->:......•. ';\',;&:''v!'';:
0.591
0.473

•'•' :•. •*"1 ;:'..';' •
0.000
0.118
0.118
• •'•'''' •''" ' '': '. ' '. ''• ". .v .''.• .
Average
33.33
34.33
37.67
34.33
34.00
34.67
_33.67m
;^^Wi5^^^:^:S:ii^^^

33.67
35.00
32.67
30.67
35.67
35.00
37.00
35.33
33.33
34.67
36.67
36.00
:ป*ป?*<:*--:>*::*:-
vii^!*::^ii!iS!SiS!i

3333
35.33
3600
36.00
33.33
34.67
38.67
33.67
34.00
ilflSitl
.'!"1'S vi'Si:SS
•••::. "... ;...:;: ••••5 ::i::i/S
38.00
34.67
'. .:.'::.':•:';:.;: ,:>:;::ซ:;>...;:
•'•-• • '.i:-"'':."'ir>::'::il:i:-

34.00
35.33
33.67
''!':lMw!Sl
TAG SYMBOLS
x = Determined
====^===— =
to be an outlier
- __ 	
=====
Normalized
(grand-avg
	 ^* O
-0.75
-0.41
0.75
-0.41
-0.52
-0.29
-0.64


-0.64
-0.18
-0.99
-1.68
0.05
-0.18
W^KKHSm^tsssms:
0.52
-0.06
-0.75
-0.29
0.40
0.17

-0.75
-0.06 	
6.17
0.17
-0.75
-0.29
1.09
-0.64
	 -0.52 	

-0.99
5>S:?:>:!S:?::: H-:" v; '::i-S V:::"/:.^:';:::-^': : ':•?:•:•
0.86
-0.29
wmm 	 ซ'ซ:.#•• 	 ป:
* •ฅ*••&?&?&'• ^•vi'ii;"...:'. -'' i'.:;i
-0.52
-0.06
-0.64

tl s Above
U s Below
===;
deviation
}_ (known) Tag
^O23
0.12
1.27
0.12
0.00
0.23
-0.12


	 ^1™**"**
0.35
-0.46
-1.15
0.58
.... ฐ-35
j^'-*— "
0.46
-0.23
0.23
092
V.<7ซ
_0.69_

-023
\J *tA\J
0.46
^^^^KBW^SBWsjSffl
0.69
0.69
-0.23
0.23
1.62
-0.12
0.00
llIIlilBSii!P
i'il4;4^'.iSI>x'^^ II
-0.46
	 •:;ซ?!ซ:
S^^^^W?.*^^
1,39
0.23
:f?:::':>::5?..-/ซV 	 ;f rx'- .:.ซป.
^.;/.'.-'-.5Ci^'l'-.*ซft":*'l
0.00
0.46
-0.12
.^^^^^Mll
1 ' """" 	 II
control limit
control limit 1
Jj

-------
                   ESD-LV Performance Evaluation:  Blind-B, 21-Oct-1997
                                                                                40/44
Cesium-137
Lab
Res. 1
                                       Exper.    Rng anal             Normalized deviation
                  Res. 2     Res. 3     Sigma   (R +  SR)   Average  (grand-avg) (known) Tag
EX
FE
34.0       39.0
   ?;•  -\'>j  '.- "'
                       37.0
                                         2.52
FJ
FL
  38.0
  37.0
                    37.0
                    36.0
                     38.0
                     33.0
                               0.58
                               2.08
                                                                            ii(tx.- ,..^~sy< .V^^-j*;
                                                  0.591       36.67       0.40      0.92
                                                 ..-A-

                                                  0.118       37.67       0*76      1.27
                                                  0.473       35.33      -0.06      0.46
36.0
                    36.0
                       36.0
                                          0.00
   "•$*&
HK       37.0
HL       40.0
          35.0
           37.0
           37.0
 JE
 JO
 JM
JQ
JS
JX
JY
K
36.0
5LO
35.0
          33.0
          ^X ^  W<)

          37.0
          33.0
35.0




37.0

36.0

-. 0 t" <
"• ->V  \

33.0

36.0
33.0
                               38.0
                               37.0
                       38.0
                       35.0
                       62-0
                       36.0
                       34.0
                        \  s
                       ^:..Ji'.
                       36.0
                       35.0
 Kf
 KX
 L
 LE
  35.0
  35.0
  44.0
                     35.0
                     37.0
                     41.0
                      38.0
                      33.0
                      42.0
                                  0.58
                                  1.73
                                          1.73
                                          1.00
                                          0.58
                                          0.58
                                          0.58
                                          0.58
                                          1.15
                                1.73
                                2.00
                                1.53
                                         0.000       36.00      0.17       0.69


                                         0.118       37.33^    0.63       1.15
                                         0.354       38.00      0.86       1.39
                                                    ,,„-, ^^^\^I^^^|^?^@|jปl,

                                         0.354        36.00      0.17       0.69
                                                   0.236       36.00
                                                        ;fv"t.-/'^
                                          0.118
                                                                           0.17
                                                                            0.69
                                          0.11S
                                         0118
                                         0.236
                                                   0.354
                                                   0.473
                                                   0.354
                                                      36.33
                                                      33.67
-0.64      -0.12
* v- ' ^^c-^ft^- -*" 5rosW" •"ซ **** <3Kt
> x - t^" Xftt •ซ ^ VV - %V " *0i" N "V. ^"'' * sj
'^f^C^^^^^^rt*
 v\s ;^*^'.* ^r^V'^*-1 " ^^?
                                                                                             •- ^ ^ซs
                                                                                             ,--ซ.^
                                           36.00
                                           35.00
                                           42.33
 0.17
 -0.18
 2.36
0.69
0.35
2.89
LF
LL
LR
LT
M
MF
MP
MT
MV
MY
N
—
• 3

37.0
-.
33.0
35.0
36.0

32.0

31.0
31.0
>• .:; 'v'V •;•• '..,'•
36.0
.
32.0
35.0
34.0

35.0

31.0
30.0
,•' •""••'•'•:•'•'•;..: ;": '•'.
36.0

35.0
34.0
35.0

35.0

30.0
31.0

No data submitted



0.58 0.118

1.53 0.354
0.58 0.118
1.00 0.236

1.73 0.354

0.58 0.118
0.58 0.118

TAG SYMBOLS
Determined to be an
36.33
: -;;;?: •'.-:•*
33.33
34.67
35.00
••-• •',-'-: \
34.00

30.67
30.67


outlier
...,O.J8_v.^
'- ;':v^\-> %\
-0.75
-0.29
-0.18
- ; "
-0.52

-1.68
-1.68

ft = Above
Ji = Below
,.0.81>w ^
^^^•:^ซsf*
-0.23
0.23
.0.35^^
,--\- • v,.^ -\-.ซ 
-------
41/44
Cesium-137
Lab Res. 1
NA
NH
NJ
NK
NO
O
OB
OP
OM
W-?-^.,:, ;-,„
37.0
35.0
34.0
39.0
42.0
36.0
,' -,: ;?dt ^
39.0
ESD-LV Performance Evaluation: Blind-B, 21-Oct-1997
Res. 2
: •>,&%%"*
39.0
34.0
32.0
44.0
40.0
37.0
TK'f2'f5-
38.0
-fc— I* ' ' > if > ,?"• '••^•ff * *;>ฃ%"•• "•5*"* y"ป'ซ'"-Jf
os /; - 'i;^:v^^%fMf
otf
pw;
PA
PB
PD
PG
PM
PQ
PW
Q
QM
QP
QQ
QT
QU
QW
QX
QZ
RB
RD
RF
n fi '
RG
RI
RK

RP

RR
RU
RZ
S
sc
SD
SF
SG
SI
?ฅx':31
?/: ,!|Cd|^
V-5 .O--*f;?
32.0
35.0
•'Ifrx:^^
33.0
-: 1? ~. ''•<
35.0
32.0
42.0
35.0

35.0
40.0
35.0
41.0
36.0











38.0
32.0
36.0
32.0
32.0

37.0

4C'"fii!&
" vO^>
32.0
35.0
'"'V-^M'
38.0
'• * ^:X:
33.0
37.0
38.0
35.0
' V^r
36.0
40.0
43.0
39.0
38.0
\< %


' ^ -* ',

•***ซ,"/ '
*"/j




38.0
34.0
34.0
33.0
34.0

40.0
Res. 3
,,:;-i^ - , ,•
39.0
36.0
33.0
46.0
36.0
37.0
- *"$•&<$ฃ'? "•-'•": -
•CN-*.>^%~^-"!X:"
39.0
^Mii'ฃ*fCj&<
&&ฃ&/?*Mi&
^f/yfty*. •$'$' '>>ฃ;v*f*\ *<
Exper.
Sigma
s
1.15
1.00
1.00
3.61
3.06
0.58
ซ' ' * •• / " ><•
0.58
g|;j-^;
Ir^vH'''^
Rnganal
(R + SR) Average
„.
0.236
0.236
0.236
0.827
0.709
0.118
1 ' '• --'l*?ง
0.118
^J;f ;'^
v* f- "" •% '''^ ^
*ซ ^*. * , <#;\'\
> ' *t '* / . *
, •'- V
38.33
35.00
33.00
43.00
39.33
36.67
^?"43!u-\r .>,<;-:;?:?
0.98
-0.18
-0.87
2.59
1.32
0.40
'if^WS^V^
L09

^^^fe^^fe
'^-^H'V*^'
1.50
0.35
-0.35
3.12 ft
1.85
0.92
^J?|v^t^ซ^-
1.62
gg|3?
SflifcM
S^^So^^*S"5iob -"' '•'"-. ii346t^
32.0
38.0
ftf^}>--U- '
33.0
/<•;;,„• v--^ -
35.0
37.0
37.0
35.0
- ! -~'.;>i-, •; ป '•'
33.0
38.0
38.0
41.0
	 ^37.0
'•',' :^-~*S''"' •;'
' '•• ^'^ ^ .
*'"'••.
' * '\, ' "' -
''-' *•<*
..'••..**





37.0
33.0
34.0
34.0
34.0

34.0
• s No data submitted
0 3
Insufficient
data
X H
.' • : \ > ' - j
0.00
1.73
'" ' • -*• ~,
2.89

1.15
2.89
2.65
0.00

1.53
1.15
4.04
1.15
1.00
;••-• -. '










0.58
1.00
1.15
1.00
1.15

3.00
.' ' '•"
0.000
0.354

0.591

0.236
0.591
0.591
0.000

0.354
0.236
0.945
0.236
0.236











0.118
0.236
0.236
0.236
0.236

0.709
^*7 "-I", ''-. *%*
32.00
36.00
"''••:\- -'-IT ;^
34.67
\'f ,;• " , .V-< - '
34.33
35.33
39.00
35.00
.^..^W'^ir.
34.67
39.33
38.67
40.33
37.00
>",' ;"";ฐ|."



,- - •





,
37.67
33.00
34.67
33.00
33.33
-
37.00
TAG SYMBOLS
Determined
to be an
outlier
"S^>*"-Vi-''% ':, *
-1.22
0.17
*$&g?!^W: W-
' _^_ J-0.29^ _"
lC?^i^-,C^v^
-0.41
-0.06
1.21
-0.18
•^^s^Tj^I
-0.29
1.32
1.09
1.67
	 0.6^ %i
~ ""' 'f ""_7; ?'.' .-Tsf •'?' -:
f "• .' S *'* ' ' '' '

; \ s"" " ••
' \' . ,.';" ' ^ ', „••''*.
''• * ' "" ~" .".<



-. "•-,•.*••.••
•'-, ,""-':-; ;''••.';
0.75
-0.87
-0.29
-0.87
-0.75

0.52
ft s Above
Jl = Below
X^v*'--' f,-?l;\ . '''#-"' "'•
-0.69
0.69
"5;J^=|^^1
0.23* "*'" "**!
^?^l^^ilf
0.12
0.46
1.73
0.35
I^p'l^^tH
0.23
1.85
1.62
2.19
1.04
^;-;;.r^j"r;:; '!
•*-:*;^;'ซ'i I
; ' '!",:•.
' ^ A*^ %W'':'
•,.''' t'^^j\*'^;
j^lV'-^^^^V

-- '-^ ' '/k^-*^

?• ^^^t'V^*!
f /.-"i'K*ปp*
1.27
-0.35
0.23
-0.35
-0.23
"" v • ^
1.04
control limit
control limit

-------


Cesium- 137
Lab Res. 1
8L
SM.
SN
'4 - -•
SO
SR
ss
sx
sz
T
TO
"• •ซ•ป•ซ'
\r^'-~
~ TK-
TQ
% * A Cง ••**
" ifBryi'

"uv::
.UA
UK
UP
X<* >•*: '
XX%r
^^
UY
VA
VC
VH
VI
VJ
VM
VO
VT
W
WE
WH
WO
WR
WW
X
XA

XC
XD
XF
XI
XJ
XK
XL
XM

38.0
37.0
<•' V
33.0
40.0
34.0
36.0
34.0
34.0
' % ^ ^ s s ซ ss% ^ %
->\-v-v^'l -,-~i^s
! -"-* ' r"l;-"-J--^
35.0
:-\ ป" * V .; '•'.

X ' ->X> " '- . N\N
- -•" -,''••',.!
40.0
36.0
o v ' ^ ' •* s " '- s*
• - ^ \,

35.0
43.0
34.0

36.0
\ • v %

. 33.0
40.0
36.0


40.0
33.0
33.0
40.0
33.0

•..

35.0


39.0


ESD-LV
Res. 2
* .. v\-
37.0
35.0
'J s * X \
31.0
38.0
31.0
33.0
34.0
36.0
'""V ""•T1"'. -^ vซฃvv\ N^ V**"
^*,v^^^^)?
^iC,'> -%;?> x
34.0 ^
v^lfei?

v^vrj^j?1'
r^^^'C- A "
30.0
36.0
^, •• *•; iss™ "f
\ ** 5 n s

39.0
41.0
34.0

39.0
'• :*< v : ^i:.
t , "~ -•• ;'-"
33.0
42.0
33.0

-
40.0
35.0
32.0
40.0
35.0



37.0


37.0


Performance Evaluation: Blind-B, 21-Oct-1997
Res. 3

36.0
34.0
>';• : r '
33.0
37.0
32.0
31.0
36.0
39.0
^V ~* "•' '
,' X-. <.'--'!"•-'' '
\\VV'^-^- -
34.0
;i;^>;:"

"ป"• Vfx!-' \
>>,".;,
35.0
36.0
" ^v^™1 ^ ^""v s ^
\~v\"

35.0
39.0
34.0
--;- V; '"
33.0
^^^i r?
•••'••• v^
32.0
41.0
34.0

,
40.0
35.0
31.0
38.0
34.0



37.0


38.0


• s No data submitted
0 s
Insufficient
data
x =
Exper. Rng anal
Sigma (R + SR) Average
- ,
1.00
. 1;53 ^ __>%
:,",'^ -v- •"'' .
1.15
1.53
1.53
2.52
1.15
2.52

X^ " ^ '*'* " ^
;'.,-. ,,"' C-v-^.X":i'X"
% J.,0.68^
-;, ^-s ;, y:X-s;-tJ

^.-;;,t,. V^lv'-,
" % \4\ -."M^r % "* x
5.00
0.00
11 s% "• "• ' ; " ^X "" " ^^"^
N - \ ^ '
" *
2.31
2.00
0.00
ฐ - ~.\
3.00
;"'"';"/ ' •' "• r
'" .,:"-- -ฐ. v
0.58
1.00
1.53


0.00
1.15
1.00
1.15
1.00



1.15


1.00



0.236
0.354

0.236
0.354
0.354
0.591
0.236
0.591
^"" % *•• ^" "SJ^
- * :> -\ -^
S!'i-%
0.118
'''^•i-vs-

ff'^^
vWi\
1^345
0.000
X '.? XX" "
- * " ^ *- *

0.473
0.473
0.000
;• ! • •"
0.709
"y "/^
o_ •• \ \ -.
0.118
0.236
0.354


0.000
0.236
0.236
0.236
0.236



0.236


0.236


-, - ซ>t--:v -V?
37.00
	 ,._.35.,33 ,
"; ' ; >^57s' '? ;
32.33
38.33
32.33
33.33
34.67
36.33
T? ^'T* s "! '5S V % "
*.-: V- -; >>4%Q-!*
{ป>f-il$ฃ^iN\ 'vfc
^J^4,33


<-:lf;^|งง^|
!f>V^|"^^
35.00
36.00
s s ;• \ ^ N ^ '••$*>'• ^^ ^ C'^>C1
* s V* v^^s 5 ^ *"* * s^s
-^ s " ฐs " ',"^\ N C~v\ i-
36.33
41.00
34.00
- -:,- ,v,~-'^i>v!
36.00
"T? "'^T'S^S^
^-^V^'^
32!67
41.00
34.33


40.00
34.33
32.00
39.33
34.00

; -' ^ \
"\' ^ "•
36.33


38.00

,%
TAG SYMBOLS
Determined to
be an
outlier
42/44
Normalized deviation
(grand-avg) (known) Tag
;-"";- \v-.^ ivii
0.52
^^06^
'\ '\-,'-- x^?'"-';??'^^-
-l!lO
0.98
-1.10
-0.75
-0.29
0.28
""vv-xr-.'v* '" *•
;vX%tH;v.v?1:;X^
&SrfSI4
-0.99
1.90
-0.41
- , " s^
X " "' ' t
1.55
-0.41
-1.22
1.32
-0.52
-.s^ * 0^^ ,..,,.. ^ v^, ^s ,

-Xs-^- '-r^" ^
0.28


0.86

X
$ s Above
JJ. = Below
:v^|.^v^4*^
1.04
0.46
^{^S:-xr5tซ^
-0.58
1.50
-0.58
-0.23
0.23
0.81
^ "X o"1 ' s f i* v>** " ^^ " * X"1?
^•felv^k*^
i~^^~KsW^|S
* 6.12 	
^lfplsปlf
^^tfelt
^-fc%f%!ra

&5ฅ^J|5S|||*|P|l

0.35
0.69
^^^^^^•S*'^*^1^^-^^'
fe^fi^SJ.. ^'^p** ^M^>*
,- \s v*!ซ'*" ^\ x^v-i.% vv
0.81
2.42
0.00
c"'?^ip5*i<{ง
0.69
^^^s^fs
iSSi€^i
-0.46
2.42
>--''
2.08
0.12
-0.69
1.85
0.00
VSTC- " ^ ;" , "^ sw V1* T^X-

feฃ-v>vS'.!p$.|54
0.81
• ,A
ป
1.39
^ •
" ., •
control limit
control limit

-------
"


43/44 ESD-LV Performance Evaluation: Blind-B, 21-Oct-1997
Cesium-137

Lab Res. 1 Res. 2
XO '•/ :r'ฃ:

Exper. Rng anal
Res. 3 Sigma (R + SR)
; w>~, -/ ••; - - " '". "

Normalized deviation
Average (grand-avg) "(known)
I *v';;

I


Tag
III
Data sorted by Laboratory Average
Average Tag
14.00 x
17.67 x
24.33 x
30.67
30.67
30.67
32.00
32.00
32.33
32.33
32.67
32.67
32.67
33.00
33.00
33.00
33.33
33.33
33.33
33.33
33.33
33.33
33.33
33.33
33.67
33.67
33.67
33.67
33.67
34.00
34.00
34.00
34.00
34.00
34.00
34.33
34.33
• s No data submitted
1 0 s Insufficient data
Lab
P
IU
HI
MY
MV
BA
WW
PB
sx
SR
VO
DE
AZ
SD
S
NK
SZ
SF
LR
JS
CO
C
BL
A
K
EL
CX
AU
AL
XA
VC
MP
E
D
AJ
WR
W
Average Tag
34.33
34.33
34.33
34.33
34.67
34.67
34.67
34.67
34.67
34.67
34.67
34.67
34.67
35.00
35.00
35.00
35.00
35.00
35.00
35.00
35.33
35.33
35.33
35.33
35.33
35.33
35.67
35.67
36.00
36.00
36.00
36.00
36.00
36.00
36.00
36.00
36.00
TAG SYMBOLS
x s Determined to be an
^ ^— 	 ~" "" * " ."-.-".-.'.'—
Lab
TQ
PW
AH
AE
T
SC
QT
PM
LT
DT
CP
BM
AK
UK
QP
NJ
M
L
BC
AW
SN
Q
FL
EB
CA
BK
JM
BB
VI
UP
PD
KX
JE
I
GQ
CJ
CE
Average Tag
36.00
36.33
36.33
36.33
36.33
36.33
36.67
36.67
36.67
37.00
37.00
37.00
37.00
37.33
37.67
37.67
37.67
38.00
38.00
38.00
38,33
38.33
38.67
38.67
38.67
39.00
39.33
39.33
39.33
40.00
40.33
41.00
41.00
42.33
A
43.00 It
51.33 x
75.67 x
Lab
BO
XF
UY
TD
LF
JY
OB
FE
BN
SM
SI
QZ
BH
HK
RZ
FJ
AF
XK
HL
DO
SS
NH
QW
OM
CS
QM
X
QU
o
wo
QX
VT
VA
LE
NO
JG
DD
It s Above control limit
outlier 	 jj 5 Below control limit_
' " "- '

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                 ESD-LV Performance Evaluation: Blind-B, 21-Oct-1997
                                             44/44
Cesium-137

 % responding labs
Frequency distribution
 10
                  -A                        0           +2           +4
                    Normalized deviation of the mean from the known value
 % responding labs
Frequency distribution
 10
     u
                                               ill^.
                  -4-20+2           +4
                    Normalized deviation of the mean from the grand average

-------