&EPA
           United States
           Environmental Protection
           Agency
           Office of Research and
           Development
           Washington, DC 20460
EPA/600/R-S6/143
December 1996
Gross Alpha-Beta
in Water Performance
Evaluation Study

A Statistical  Evaluation of
the October 25,1996 Data
                                        023RSL96cov-143

-------
      Gross Alpha-Beta in Water
    Performance Evaluation Study
         October 25, 1996
   Environmental Protection Agency
National Exposure Research Laboratory
  Characterization Research Division
         Las Vegas, Nevada

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

   Enclosed are the results of the Analytical Sciences Branch (CRD-LV)
Performance Evaluation Study for Gross Alpha-Beta in Water; October 25, 1996.

   The known value for each analysis was determined by gravimetric methods,
checked by chemical analyses performed by CRD-LV's  Radiochemistry Laboratory,
and compared to the participating laboratories' grand average.
   The expected precision, determined by the known value, was taken from
'Table 3. Laboratory Precision:  One Standard Deviation Values and Control Limits
for Various Analyses", which is based on data accumulated over the years by the
Performance Evaluation Program, and can be found in the Environmental Radioactivity
Performance Evaluation Studies Program and Radioactive Standards Distribution
Program information brochure.
   Please take a few minutes to review this report and the analytical data your
laboratory submitted to us.  If there are any apparent discrepancies, please notify us
immediately.
   We encourage you to make use of the computer-automated data-entry system
that has been in place for some time now. As the number of participants increases,
and it becomes unrealistic for us to receive results by mail or FAX, the computer
system will be our only avenue for accepting data.
   If you have any questions or comments, please send a message via the data-entry
system or contact Stephen Pia at 702/798-2102 or Patricia Honsa at 702/798-2141.
                                          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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      CRD-LV Performance Evaluation:  Gross Alpha-Beta in Water, 25-Oct-1996   1/16


   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, hy a new pnge 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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2/16   CKD-LV Performance Evaluation: Gross Alpha-Beta in Water, 25-Oct-1996
     The Range Analysis(R + SR) is calculated from the range, mean range and standard error of
  the range values.  The range is the difference between the maximum and minimum result* for the
  laboratory. The mean range is calculated by multiplying the expected precision by 1.693(for three
  results).  The standard error of the range is calculated by multiplying the mean range by 2.575(for
  three results), subtracting the mean range from this product, and dividing the result by 3.  If the
  range is greater than the mean range, then the range analysis is calculated by subtracting the
  mean range from the range, dividing the result by the standard error of the range and adding 1.
  If the mean range is greater than or equal to the range, then the range analysis is calculated by
  dividing the range by the mean range.

     The normalized deviation of the mean from the grand average is calculated from the deviation
  of the mean from the grand average and the standard error of the mean values. The deviation of
  the mean from the grand average is calculated by subtracting the grand average from the
  average of the laboratory's three results. The standard error of the mean is calculated by
  dividing the expected precision by the square root of 3(the number of results). The normalized
  deviation of the mean from the grand average is calculated by dividing the  deviation of the mean
  from the grand average by the standard error of the mean.
      The normalized deviation of the mean from the known value is calculated from the deviation of
  the mean from the known value and the standard error of the mean values. The deviation of the
  mean from the known value is calculated by subtracting the known value from the average of the
  laboratory's three results.  The standard error of the mean is calculated by dividing the expected
  precision by the square root of 3(the number of results). The normalized deviation of the mean
  from the known value is calculated by dividing the deviation of the mean from the known value by
  the standard error of the mean.

      A complete explanation of the statistical calculations involved in the report may be found in
  the Environmental Radioactivity Performance Evaluation Studies Program information brochure
  [Draft Revision of EPA-600/4-81-004], available from Patricia Honsa, CRD-LV, 702/798-2141.

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        CRD-LV Performance Evaluation: Gross Alpha-Beta in Water, 25-Oct-1996   3/16
Gross Alpha                         Statistical Summary                      186 Participants
The known value of this nuclide is 10.3 pCi/1 with an expected precision of 5.0; the control limits
are 1.6 to 19.0; the warning regions are 1.6 to 4.5 and 16.1 to 19.0
27(14.5 %) Failed to respond ...
5(2.7 %) Outliers '
2(1.1 %) Out of control -;
     but not an outlier


         Statistic
              ; 141(75.8 %) Within all limits
Respondents
11 (5.9 %) In warning zone
        but within control


           Non-outliers
Mean
Std. Dev.
Variance
% Coef. of Var.
% deviation of mean from known value
Norm. dev. of mean from known value
Median
% deviation of median from known value
Norm. dev. of median from known value
      9.41
      4.28
     18.33
     45.48
     -8.62
     -0.21
      8.67
    -15.86
     -0.38
  Grand Avg 8.86
              2.89
              8.38
             32.67
            -13.99
             -0.50
              8.58
            -16.67
             -0.59
7(4.4 %) More than 3 norm. S.D. «,
                               *
 11 (6.9 %) Between 2 and 3'norm. S.D. •
             97(61.O %) Within 1 norm. S.D.
                           of known value
     44(27.7 %) Between 1 and 2 norm. S.D.

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4/16 CRD-LV Performance Evaluation: Gross Alpha-Beta in Water, 25-Oct-1996
Gross Alpha
Lab Res. 1
A
AE
AF
:;Atta
AJ
AK
AL
AP
AR
AU
AW
AZ
BA
BB
BC
BG
BH
BK
BL
BM
BN
BO
BS
C
CA
CE
CG
CJ
CO
CS
CX
D
DB
DD
DE
DH
DO
DR
DS
DT
DZ
E
EB
EL
EO
• =
0 a
10.7
9.8
6.2
;^^S^VV^
5.3
8.7
9.4
8.6
6.2
8.0
9.1
8.0
7.9
6.6
8.4
14.6
11.1
10.7
6.3
8.6
5.8
10.2
12.9
12.0
11.6
7.3
9.6
9.4
4.1
6.2
6.1
13.4
12.4
10.4
8.7
8.2
5.2
0.1
15.7
8.0
15.6
6.8
16.4
10.8
5.0
Res. 2 Res. 3
9.3
7.6
7.5
•>S^^ii/^
1.3
9.9
10.4
8.7
7.4
9.0
8.0
8.5
8.4
7.3
8.9
14.6
9.6
11.1
11.6
8.7
5.2
7.5
10.1
11.5
7.8
9.5
10.9
9.5
5.6
7.6
3.2
13.7
11.8
9.4
8.8
9.0
4.3
0-1
15.4
7.4
13.6
11.5
16.1
10.5
4.0
9.6
12.7
7.9
& *•: v^
3.0
9.3
8.8
8.5
7.3
9.0
9.3
9.6
7.1
7.8
8.3
11.8
10.4
9.7
11.0
8.7
6.5
7.8
9.9
13.0
11.1
9.4
10.0
8.2
4.1
6.9
3.1
10.0
10.6
10.4
8.8
8.4
8.5
0.1
11.3
7.9
14.3
7.1
13.0
10.1
7.0
No data submitted
Insufficient
data
X s
Exper. Rng anal
Sigma (R + SR) Average
0.74
2.56
0.89
>*&Iv - ' '.**
2.01
0.60
0.81
0.10
0.67
0.58
0.70
0.82
0.66
0.60
0.32
1.62
0.75
0.72
2.90
0.06
0.65
1.48
1.68
0.76
2.06
1.24
0.67
0.72
0.87
0.70
1.70
2.06
0.92
0.58
0.06
0.42
2.21
0.00
2.46
0.32
1.01
2.63
1.88
0.35
1.53
0.165
0.602
0.201
• .',; '-* <- -
0.473
0.142
0.189
0.024
0.142
0.118
0.154
0.189
0.154
0.142
0.071
0.331
0.177
0.165
0.626
0.012
0.154
0.319
0.354
0.177
0.449
0.260
0.154
0.154
0.177
0.165
0.354
0.437
0.213
0.118
0.012
0.095
0.496
0.000
0.520
0.071
0.236
0.555
0.402
0.083
0.354
9.87
10.03
7.20
,;;,^ .T~r-
3.20
9.30
9.53
8.60
6.97
8.67
8.80
8.70
7.80
7.23
8.53
13.67
10.37
10.50
9.63
8.67
5.83
8.50
10.97
12.17
10.17
8.73
10.17
9.03
4.60
6.90
4.13
12.37
11.60
10.07
8.77
8.53
6.00
0.10
14.13
7.77
14.50
8.47
15.17
10.47
5.33
TAG SYMBOLS
Determined
to be an
outlier
Normalized deviation
(grand-avg) (known) Tag
0.35
0.41
-0.57
J/r;y>'v'v-ilP"
-1.96
0.15
0.23
-0.09
-0.66
-0.07
-0.02
-0.06
-0.37
-0.56
-0.11
1.67
0.52
0.57
0.27
-0.07
-1.05
-0.12
0.73
1.15
0.45
-0.04
0.45
0.06
-1.48
-0.68
-1.64
'• 1.21
0.95
0.42
-0.03
-0.11
-0.99
-3.03
1.83
-0.38
1.95
-0.14
2.18
0.56
-1.22
1T = Above
JJ. 3 Below
-0.15
-0.09
-1.07
T^pVi^
-2.46
-0.35
-0.27
-0.59
-1.15
-0.57
-0.52
-0.55
-0.87
-1.06
-0.61
1.17
0.02
0.07
-0.23
-0.57
-1.55
-0.62
0.23
0.65
-0.05
-0.54
-0.05
-0.44
-1.97
-1.18
-2.14
0.72
0.45
-0.08
-0.53
-0.61
-1.49
-3.53 &
1.33
-0.88
1.45
-0.64
1.69
0.06
-1.72
control limit
control limit

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CRD-LV Performance Evaluation: Gross Alpha-Beta in Water, 25-Oct-1996 5/16
Gross Alpha
Lab Res. 1
ER
EV
• BW"'
EX
FE
FF
FJ
FL
FN
FZ
GQ
GT
GZ
ffl
HK
HL
HP
I
n> 	
:JttT^
'"iJT-Y>'
JG
JM
JN
JP
JQ
JS
JY
K
KE
KH
KT
"KIL
L
LE
LF
LL
LR
LT
M
MF
MV
"MS
.'^- «,- «:
°.sN>w"V«
NA
9.6
6.2
'^".s - .^H'-
13.7
15.7
8.3
14.0
6.6
7.0
8.6
7.8
7.7
10.0
3.6
8.1
3.9
6.3
8.3
__J[:4_
%^!^?^i
:^|f ^^'t^v *}&
ii.o
9.3
8.4
6.7
10.1
7.3
11.4
10.1
9.6
9.9
8.0
pp^^T;
7.6
6.1
11.0
14.6
8.4
7.4'
19.0
8.9
10.0
^^?iO^
•;"i-r «',xr *" -*x?jffc!
^'As^-J^f;^!--
nlo
Res. 2
7.9
6.4
>„" -XS.'W
8.1
14.6
5.7
11.3
8.2
7.0
8.0
7.3
9.3
11.7
3.6
7.3
4.5
6.1
5.5
__J12.4__
^:^t?l^^;
rti^'^'f'f ^
	 12.3
10.3
10.6
6.9
8.7
6.6
9.8
10.1
9.5
9.3
9.0
'•. t ^ f "* "A ••
7.1
10.3
7.0
14.3
5.3
5.0
18.0
7.8
9.4
i^y^T^rv;
?Hv*c o-**' ^ ", "•
fS^y'^" *-*T ; "'\
14.0
Res. 3
8.9
5.6

7.3
17.3
6.3
14.9
7.6
7.0
8.5
6.7
6.3
10.7
4.1
6.8
3.8
7.3
8.8
10.3

x1 \\\" -
12.1
10.7
10.6
7.6
8.4
8.8
8.9
11.7
10.5
7.9
10.0
*"-, " ~ '
9.7
8.6
7.3
14.3
7.0
5.0
16.0
7.3
11.5
v<:34,4'
"• .'- ' '
' >-\-j-'V'
12.0
• s No data submitted
0 s
Insufficient
data
x =
Exper.
Sigma
0.85
0.42

3.49
1.36
1.36
1.87
0.81
0.00
0.32
0.55
1.50
0.85
0.29
0.66
0.38
0.64
1.78
2.51
' s , !-
<• X
0.70
0.72
1.27
0.47
0.91
1.12
1.27
0.92
. 0.55
1.03
1.00

1.38
2.11
2.23
0.17
1.55
1.39
1.53
0.82
1.08
> ""1:32.- '


1.53
Rng anal Normalized deviation
(R + SR) Average (grand-avg) (known) Tag
0.201
0.095

0.756
0.319
0.307
0.425
0.189
0.000
0.071
0.130
0.354
0.201
0.059
0.154
0.083
0.142
0.390
0.591
^
•- ' -'• , :*
0.154
0.165
0.260
0.106
0.201
0.260
0.295
0.189
0.118
0.236
0.236

0.307
0.496
0.473
0.035
0.366
0.284
0.354
0.189
0.248
0.30?
..

0.354
8.80
6.07
,"vv" "x
9.70
15.87
6.77
13.40
7.47
7.00
8.37
7.27
7.77
10.80
3.77
7.40
4.07
6.57
7.53
10.03
""-- / ->- -'• <-;Vc
,,,,,,, , \ •
11.80
10.10
9.87
7.07
9.07
7.57
10.03
10.63
9.87
9.03
9.00
Vo -/;-;-- v;
8.13
8.33
8.43
14.40
6.90
5.80
17.67
8.00
10.30
-- '82#7/^
°V--
v,'»,iX"\
12.33
TAG SYMBOLS
Determined
to be an
outlier
-0.02
-0.97
\ s" •- » ' ^
0.29
2.43
-0.72
1.57
-0.48
-0.64
-0.17
-0.55
-0.38
0.67
-1.76
-0.51
-1.66
-0.79
-0.46
,°-41 „,„.,
,••<•- v "" " ""'
"' - - \;' ^'
L02
0.43
0.35
-0.62
0.07
-0.45
0.41
0.61
0.35
0.06
0.05
TXTyssCy
-0.25
-0.18 '
-0.15
1.92
-0.68
-1.06
3.05
-0.30
0.50
•-'J&Stf'vY™?
-'---'. 1 T--V;, ~, * '''-''-
, s " \ \y~V -\% N' " ~T!i
1.20
11 s Above
$ = Below
-0.52
-1.47
,;;" T ~\( "^ v
-0.21
1.93
-1.22
1.07
-0.98
-1.14
-0.67
-1.05
-0.88
0.17
-2.26
-1.00
-2.16
-1.29
-0.96
-0.09 	
^:V^\v^V"f»°-"
' - ^ V '• >
0.52
-0.07
-0.15
-1.12
-0.43
-0.95
-0.09
0.12
-0.15
-0.44
-0.45
<^r^v^
-0.75
-0.68
-0.65
1.42
-1.18
-1.56
2.55
-0.80
0.00
Ff.sir^^v
-^ ''- r® - !'.^-
S~ %>' s '"'Vp.* ' ^
0.70
control limit
control limit

-------
— 	 • ' "^
6/16 CRD-LV Performance Evaluation: Gross Alpha-Beta in Water, 25-Oct-1996
Gross Alpha
Lab
NB
NJ
NK
NO
NP
NT
O
OA
OB
OF
OS
&* _,
^OTf-
' CMl?
^ '
«OY^"
P
PA
PB
PG
PM
PQ
PR
PV
Q

QGi
QM
QP
QQ
^QTrj
^0tr*
QW
QX
QZ
R
RB
RD
RF
RG
RI
RK

RR
RZ
S
-SC-
SD
SF
• =
0 H
Res. 1
12.5
5.9
6.7
7.2
8.8
13.1
11.2
4.9
17.6
6.5
11.0
s ;< •*>\*™:'¥' ' ••"V *
>V^!,«n^f^ *?
--,-- 1 -;V>v>^v -,y
J V *V f '' ff^ ^ s '* ^
*$ ^ "> ' kV^l^/ ^ ^ X
143
4.9
7.3
10.8
9.8
9.0
16.3
8.7
6.3

;,'" - * "•.,'£* *:--<*
10.6
6.7
10.2
'~;?^^2'ti6;^
^'^^tfe1
^'^SSdfci:
8.9
6.1
4.5
14.5
11.1
7.0
10.8
___7.3-~™
r *"•-., "]•••'; V •'V'v: l
S *^ ^^"^'•^N^. ;-N.V ;
\ ""\ '^^< ^
9.7
8.9 ^
|. .A «.S ,-V S-S'-'\;™V>
8.4
3.3
Res. 2
10.9
7.6
6.0
7.9
9.1
9.8
9.8
4.7
16.1
7.1
9.0
•""sv-f #-v. _. r- •* vj- ' "x ' -. *
HI' !;1 %*v-^ *'"*
^i>??V;^x"';.;
's?'*',*,, ,*''• t y ** ^•.^
^^I'^-TT'::;^' ?!.
14.4
5.3
7.3
10.1
9.5
7.8
14.8
9.2
5.9

- , 4" ,'•' • "-'", '."t"-
7.7
7.0
«...19-'*_.
jS^ziiSf;7^
?::% 2^21?'-
W^18^^
7.5
6.3
4.2
12.8
9.7
8.4
9.3
6.9
,„„,„.,.;„,,, ,^;x™

',- -V- ' -" - \
9.2
8.4
^•"•-\v' <,--, "' ^^-fi
9.0
4.9
Res. 3
11.2
6.1
7.6
8.6
6.8
9.8
8.4
7.2
14.9
9.0
8.0
> -'' '
., ? ' %% , v * •>
iv>- ,'.. ' ' ;-

"^•'v\ „ ' > ,*
2.28
0.21
0.52
0.47
0.51
0.67
1.04
0.29
0.45

- - ' "
1.48
0.25
1.27
2.20
•"V\< 0*56-- '*'-
;•>§*'' isi1 ;
0.70
1.04
0.51
0.91
1.30
0.76
0.78
0.45



0.82
0.45
\ I,;-,, ' , „ !' ,
0.38
0.80
Rng anal Normalized deviation
(R + SR) Average (grand-avg) (known) Tag
0.189
0.201
0.189
0.165
0.272
0.390
0.331
0.295
0.319
0.295
0.354


- - '•'"


0.473
0.047
0.106
0.106
0.118
0.142
0.236
0.059
0.106

;
0.343
0.059
0.272
0.496
0;130
&307
0.165
0.224
0.118
0.201
0.307
0.165
0.177
0.106



0.189
0.106
,
0.083
0.189
11.53
6.53
6.77
7.90
8.23
10.90
9.80
5.60
16.20
7.53
9.33
•:-•.•• ^; % •• •.""", v%\
x " .. ' ' ..
'. ; " V-?
.. -.^ '
'••••• ^
13.03
5.07
7.60
10.27
9.93
8.23
15.13
9.03
5.87


9.33
6.97
9.57 .
' • 2437 " ;
/'';'---,' 23.60
20,00
8.20
5.60
4.07
13.83
11.03
7.87
9.93
6.87



9.00
8.87
•' - '- - - A
8.57
4.07
TAG SYMBOLS
'Determined
to be an
oxitlier
0.93
-0.81
-0.72
-0.33
-0.22
0.71
0.33
-1.13
2.54
-0.46
0.16
'* " V''1'1^-.'' ' ^W '"'
'V '""^ ' ' , ' ''*'•
^ "• % \ * ^ ••"• ''
., 4\f % ^^ -. L
••"^- r' ^
1.45
-1.31
-0.44
0.49
0.37
-0.22
2.17
0.06
-1.04


0.16
-0.66
0.24
sW - •"•;,
•''• ~5;it-' ^;-""
$&& :-'*!'
-0.23
-1.13
-1.66
1.72
0.75
-0.34
0.37
-0.69


- -••'>*'
0.05
0.00
s v •, "" ^
-0.10
-1.66
It = Above
Ji s Below
0.43
-1.30
-1.22
-0.83
-0.72
0.21
-0.17
-1,63
2.04
-0.96
-0.33
' " 5v -W-- v •"• %J' A %-\v"w^' •- >
'-v '" /' C-;'* f-i
""" Ah\ ^?v *' ^ \ %;
^ -.-••. y1 f ""•" ^ '' "f
•.j •. - -.-1 " ••
0.95
-1.81
-0.94
-0.01
-0.13
-0.72
1.67
-0.44
-1.54

- '- • ' • c -
-0.33
-1.15
-0.25
" 487-V' ">R;'
-/4'.61-;'V'': >i"''V
•^ise'-'- '&*
-0.73
-1.63
-2.16
1.22
0.25
-0.84
-0.13
-1.19
- ' -v<\- - - y"

. ,- ,»-.\
-0.45
-0.50
C.*;*' V" ~! '; ""* : s
-0.60
-2.16
control limit
control limit

-------
CRD-LV Performance Evaluation: Gross Alpha-
Beta in Water, 25-Oct-1996 7/16
Gross Alpha

Lab
SG
SI
SL
SM_
SO
SR
ss
su
sv
sx
sz
T
TD

\$*M
S-TH%
B-TIli^
TN
TO
TQ
TW
TY
U
-s - «w,
s*tJA\*
UE
UN
UP
UQ
,yA,
"VG^;
VH
VI
VJ
VO
*w^in\x
w
; - <•": ^x
' VfBL,
WH
WJ^
TIR/TNT*
- '
wo

•'xWPs*
WR
;> wgi
/Wu;
• =
0 =

Res. 1
8.0
8.3
10.2
_6.8_
6.1
12.9
6.4
3.3
17.3
7.7
5.1
6.0
12.7

llP^Stl
^^|^;^t^
^tt$^S$k££'^:£$*
" 8^4
8.4
5.2
10.2
7.6
9.9
-.,,•. v.% v ^ v. v.« <,.,*«;. ^ * 0
*^s* - > " ^^"v
8.9
6.6
10.5
7.6
_w12.0__
\C^^^^^
	 8.5
8.0
15.0
9.3
^:::v.\i-^
8.3
5" s o°** "* ^ *f*\*\™J^
^ V **^\\x 1 { t ^ ^ s ^
	 8."l "
. ^__,1;0
"•• *•• ^o\ Xt ^ ^^\
\ -'' v%X*"C ° "\ ^.^S^W'N
9.0

C s;:-;;v^V'~*!^
8.6
;*^.\"r;Tv^\?f
l^'^S*

Res. 2
7.9
7:9
11.4
_^;7.5
5.9
12.9
6.7
4.4
17.0
8.1
6.4
7.5
14.2

i§3W
^iij^fe
v* ^v^.^rVi'
" v 8?1
8.4
4.9
9.6
8.2
9.3
^••V *^^v ^ %vv. s ^
X , ' - ^^
" 8.3
6.9
11.5
7.4
„ ,_A1
,p^it
7.4
"-"'^NVi-o-f
-V^-vy,

Res. 3
6.2
8.5
9.8
__^!-2,,
6.0
11.9
6.6
4.6
15.4
8.3
6.0
8.2
13.9

|~l^;3?;f '
!>;; \,^-,y •

7.3
6.7
5.5
8.4
6.7
9.9
rv.v ^ ^ w ^ \-. •.
tVv; ^ . ^ - -
10.2
8.0
11.2
7.9
t 	 JLJU^
^VC- ;S '' ::
13.0
7.4
17.6
9.8
^"iP '' :V ''
'__.8;4_
% 4 v~1^; ^ s" ^ ^^ '

8.5
1.4
> V >^\*,'*tW
"? ^ s ^X ^ ^ ^
8.6

»,'\-^«^^.%*i\'-
6.9
^""'V"?" v

No data submitted
Insufficient
data
X s
Exper.
Sigma
1.01
0.31
0.83
_0.35 	
0.10
0.58
0.15
0.70
1.02
0.31
0.67
1.12
0.79

:••>>:_ 5.20 - ,
i ~, ....,, .• • •

0.57
0.98
0.30
0.92
0.75
0.35
^ vs w% ^

0.97
0.74
0.51
0.25
1.79
,, '-""---'•• - %
2.57
0.46
1.90
1.10

0.26
X'X, % " l X1 "• ^ ,
# " ^ ^ ** ^ * ; >
0.20
0.20
J-* V ^
N * *""" X*" \ •.
0.35


0.87

1 \\ , .'••
Rng anal
(R + SR)
0.213
0.071
0.189
0.083
0.024
0.118
0.035
0.154
0.224
0.071
0.154
0.260
0.177

' : LawT"
-// ;- ,,%
\
0.130
0.201
0.071
0.213
0.177
0.071

5 ^ "" " ^ % '
0.224
0.165
0.118
0.059
0.413

0.532
0.106
0.437
0.248
.-;< •' \
0.059

> » X- \,
0.047
0.047


0.083

x - "- , '-
0^201


Normalized deviation
Average
7.37
8.23
10.47
. „_ J-J7
6.00
12.57
6.57
4.10
16.57
8.03
5.83
7.23
13.60

- 7"'" 31580
^;;>-;:,,~|r;.
' % '"'"'' •.''V'-i"'5
7.93
7.83
5.20
9.40
7.50
9.70
o ;""-y
, * -o
9.13
7.17
11.07
7.63
^11.57
- •'", - '-"• -, v.
10.03
7.90
17.10
10.17
- '• - >" ,r
8.20
s -' ". «• •*

8.30
1.20
•\ 0
" ' ^s -.
8.63

, ,>-v ,\^*s
7J63
^*. % >..,•.•.

TAG SYMBOLS
Determined
to be an outlier
(grand-avg) (known) Tag
-0.52
-0.22
0.56
_i!v-0.59 __
-0.99
1.28
-0.79
-1.65
2.67
-0.29
-1.05
-0.56
1.64

t^CS74'"- \
,'s?>;^v->c •-:, ,'::?
'~ , 'X r~Y ^ \; ^ "*' - , - >,"'
-0.32
-0.36
-1.27
0.19
-0.47
0.29
„ s T <1S v s " ' •> x^ ^
s^vfT 4 -° -, , ^
0.09
-0.59
0.76
-0.42
0.94 ^
•??•$} ; -;; !";\ - '-
0.41
-0.33
2.85
0.45
• ^ s
-0.23
% ;0"% cv ^fx^^; s " ^ " * *
^ *v%%'s\>">^ "- -
0.19
,_^,:2.65--
^-^'^v^1 *" '
x" *".-*;•• x^ '"•'•"C.% "* * \
-0.08

'•^-''V"'*.^"'". •" '<•<
-0.42
"^--5x 'y^v~" vy
:-7 , -< -;, :;-
. tt s Above
§• = Below
-1.02
-0.72
0.06
^-1.09 	 _^
-1.49
0.79
-1.29
-2.15
2.17
-0.79
-1.55
-1.06
1.14

::7.24?vp<'\
v%^'tK* ••'
~ x-! t^S"'' "*^ f- * • ''"'•
-0.82
-0.85
-1.77
-0.31
-0.97
-0.21
••-. t ^ \K " """^ v w
v v 'v\^;^-^* V"
-0.40
-1.09
0.27
-0.92
0.44 _ ^
^l"'-1",^*''
-0.09
-0.83
2.36
-0.05
-0. -\; - ,-\x- -,^^'
-0.73
% *svs »AV. ^ ^ s •. ™ ; ^^ " r x" v'-
\x^ -^ ^v> ;0 \\*<-^V
-0.69
j3;15 !!_
. :'-'\ r\{ ,\;!; X»-" -V

-0^58 "

J\,C; •-' ;;t - !,%->• ;, V
-0.92
fr\\"-'7V»"T
'^-:V^x.iX
control limit
control limit

-------
8/16 CRD-LV Performance Evaluation: Gross Alpha-
Gross Alpha

Lab Res. 1 Res. 2
' WV^^^IIt^'^'^^'^^'^ '
WW 6.1 8.4
WX 8.5 8.0
, "•<• ' JJ* -X^ C" '^^VJ'"^''- ^''* "^"^""'V'1 w^v.^y.^,^v.|.-v-/^
' ,WY",^^: '%';k-, V-; ' :ft-;;3,^;-X *
_X ^ _ 	 9.8 ^ ( 7.8 _
^TDB^i?^-V«;; ^^V^

Exper. Rng anal
Res. 3 Sigma (R + SR)
*'&£> ''•-"'* '"' •
4.5 1.96 0.461
9.0 0.50 0.118
ft?" S™^ ' •• •?'*$•• "" * ' "" " ' * ' - ', ••
' *V' •*•> *
6.33 -0.88 -1.37
8.50 -0.12 -0.62
<• ••••>•. -f v.p.K>*v •• ' -v-i - 1 MS <•• o *•• ,, -.^ fffvf ^
-\ <-•' -iAvT-., >-,.-;-'^
9.53 0.23 -0.27
^^ ••'' f * "" *' * ""
)
""

Tag
- m-


"••%-X^ ^ f
*< "•'.**>'*"

^*;::"
Data sorted by Laboratory Average
Average Tag
0.10 U
1.20 U
3.20
3.77
4.07
4.07
4.07
4.10
4.13
4.60
5.07
5.20
5.33
5.60
5.60
5.80
5.83
5.83
5.87
6.00
6.00
6.07
6.33
6.53
,6.57
6.57
6.77
6.77
6.87
6.90
6.90
6.97
6.97
7.00
7.07
7.17
• = No data submitted
0 s Insufficient data
Lab Average Tag
DR 7.17
WJ 7.20
AJ 7.23
ffl 7.23
SF 7.27
R 7.37
HL 7.40
SU 7.47
CX 7.50
CO 7.53
PA 7.53
TQ 7.57
EO 7.60
OA 7.63
QZ 7.63
LT 7.77
SZ 7.77
BN 7.80
Q 7.83
SO 7.87
DO 7.90
EV 7.90
WW 7.93
NJ 8.00
SS 8.03
HP 8.13
NK 8.20
FF 8.20
RI 8.23
LR 8.23
CS 8.23
QP 8.30
AR 8.33
FN 8.37
JP 8.43
UN 8.47
TAG SYMBOLS
Lab Average Tag
SM 8.50
AF 8.50
T 8.53
BB 8.53
GQ 8.57
SG 8.60
HK 8.63
FL 8.67
TY 8.67
OF 8.70
I 8.73
JS 8.77
PB 8.80
UQ 8.80
WR 8.87
GT 9.00
DT 9.00
BA 9.03
TO 9.03
RF 9.03
VI 9.07
NO 9.13
TN 9.30
MF 9.33
SX 9.33
L 9.40
W 9.53
QX 9.53
SI 9.57
PQ 9.63
NP 9.70
WH 9.70
LE 9.80
FZ 9.87
LF 9.87
E 9.87
ft = Above control
x 3 Determined to be an outlier U = Below control
Lab
WX
BO
DH
BC
SD
AP
WO
BM
AU
AZ
CE
DE
ER
AW
S
RZ
KT
PV
KH
CJ
JQ
UE
AK
QM
OS
TW
X
AL
QQ
BL
U
EX
O
KE
JN
A
limit
limit

-------
CRD-LV Performance Evaluation: Gross Alpha-
Gross Alpha

1 -• 	 	 • • ' — - •• v
Beta in Water, 25-Oct-1996 9/16


Data sorted by Laboratory Average
Average Tag
9.93
9.93
10.03
10.03
10.03
10.03
10.07
10.10
10.17
10.17
10.17
10.27
10.30
10.37
10.47
10.47
10.50
% responding labs
Lab Average Tag
RG 10.63
PM 10.80
VH 10.90
JY 10.97
D3 11.03
AE 11.07
DD 11.53
JM 11.57
VO 11.60
CG 11.80
CA 12.17
PG 12.33
MV 12.37
BH 12.57
SL 13.03
EL 13.40
BK 13.60
Frequency distribution
Lab Average Tag
K 13.67
GZ 13.83
NT 14.13
BS 14.40
RD 14.50
UP 15.13
NB 15.17
VA , 15.87
DB 16.20
JG 16.57
C 17.10
NA 17.67
D 20.00 x
SR 23.60 x
P 24.37 x
FJ 31.20 x
TD 32.97 x

Lab
BG
RB
DS
LL
DZ
PR
EB
FE
OB
SV
VJ
M
QW
QU
QT
TG
MX

_
10 •lll»l

-6 -4
% responding labs

10" 	 	

° -6 ' -4
• s No data submitted
0 = Insufficient data
_ _ _• -••Illlllll.-.-.
B_ 	 	
-2 0 +2 +4
Normalized deviation of the mean from the known value
Frequency distribution
•— —...,.
lltfll
T _ •-.mmlli.H



_•_„__ 	
-20+2+4
Normalized deviation of the mean from the grand average
TAG SYMBOLS
ft = Above control
x = Determined to be an outlier li = Below control
gtg
+6



«
+6
limit
limit

-------

        CRD-LV Performance Evaluation:  Gross Alpha-Beta in Water, 25-Oct-1996   10/16

Gross Beta                          Statistical Summary                      186 Participants
The known value of this nuclide is 34.6 pCi/1 with an expected precision of 5.0; the control limits
are 25.9 to 43.3; the warning regions are 25.9 to 28.8 and 40.4 to 43.3
27(14.5 %) Failed to respond ...
9(4.8 %) Outliers •
8(4.3 %) Out of control •
     but not an outlier
         Statistic
               • 121(65.1 %) Within all limits
Respondents
-• 21 (11.3 %) In warning zone
            but within control


               Non-outliers
Mean
Std. Dev.
Variance
% Coef. of Var.
% deviation of mean from known value
Norm. dev. of mean from known value
Median
% deviation of median from known value
Norm. dev. of median from known value
     36.95
     10.01
    100.29
     27.10
      6.79
      0.23
     35.50
      2.60
      0.09
     Grand Avg 35.29
                  4.47
                19.97
                12.67
                  1.98
                  0.15
                35.35
                  2.17
                  0.17
17(10.7 %) More than 3 norm. S.D. %%
   .
21(13.2 %) Between 2 and 3 norm. S.D.
              2(51.6 %) Within 1 norm. S.D.
                           of known value

     39(24.5 %) Between 1 and 2 norm. S.D.

-------
11/16 CRD-LV Performance Evaluation: Gross Alpha-Beta in Water, 25-Oct-1996
Gross Beta
Exper. Rng anal
Lab
A
AE
.AIL.
•- AlflT^
«»**.$
AJ
AK
AL
AP
AR
AU
AW
AZ
BA
BB
BC
BG
BH
BK
BL
BM
BN
BO
BS
C
CA
CE
CG
CJ
CO
CS
CX
D
DB
DD
DE
DH
DO
DR
DS
DT
DZ
E
EB
EL
EO
Res. 1
33.0
27.3
. -»,!H--»~
!•"•*•' ''"••• J'' f&'f * %"' 'v-«v
•- j- -,'t •• •• Y,& „ ..••
35.3
32.1
31.4
37.9
39.4
38.0
38.0
32.3
35.9
33.4
30.8
38.3
35.1
38.7
41.8
42.0
32.5
34.2
35.0
33.2
33.7
31.2
31.8
40.0
24.0
32.3
29.9
38.7
30.3
32.5
31.9
41.1
35.0
37.3
31.5
36.3
30.8
35.7
42.5
36.6
37.0
Res. 2
33.3
• 23.3
39.9 __
J^^^f/ "";V!f
•. -f '<'•. -.-* -.-,
32.2
32.8
32.1
35.7
38.9
37.0
36.4
30.0
35.3
30.0
27.0
37.1
33.9
38.7
42.9
40.8
30.6
35.6
37.7
3-1.9
30.6
33.0
33.4
40.0
19.2
39.2
30.0
35.5
30.6
35.3
32.0
37.2
36.0
40.9
32.1
37.5
31.5
32.5
37.5
32.3
36.0
Res. 3
33.9
28.1
39.8
?.~, ° '!7!iJ ';* -' "f

29.7
33.9
33.1
35.1
43.1
35.0
37.8
34.3
36.1
36.3
30.3
36.9
32.9
39.9
41.3
39.6
30.9
36.9
31.2
31.4
31.7
35.0
31.6
39.0
20.3
31.1
30.1
38.2
31.7
39.7
32.0
33.2
38.0
43.1
29.5
36.3
34.2
36.4
40.8
34.8
37.0
• 3 No data submitted
0 =
Insufficient
data
X s
Sigma (R
0.46
2.57
	 1.47
''*'. '" , /""'<'

2.81
0.91
0.85
1.47
2.29
1.53
0.87
2.15
0.42
3.15
2.06
0.76
1.10
0.69
0.82
1.20
1.02
1.35
3.27
0.93
1.57
1.90
0.99
0.58
2.51
4.37
0.10
1.72
0.74
3.63
0.06
3.95
1.53
2.93
1.36
0.69
1.80
2.08
2.54
2.16
0.58
+ SR)
0.106
0.567
0.307


0.662
0.213
0.201
0.331
0.496
0.354
0.189
0.508
0.095
0.744
0.449
0.165
0.260
0.142
0.189
0.284
0.224
0.319
0.768
0.213
0.366
0.449
0.213
0.118
0.567
0.957
0.024
0.378
0.165
0.851
0.012
0.933
0.354
0.685
0.307
0.142
0.402
0.461
0.591
0.508
0.118
Average
33.40
26.23
39.00
J- ' " "" .. '
"• ^ " ^ :
32.40
32.93
32.20
36.23
40.47
36.67
37.40
32.20
35.77
33.23
29.37
37.43
33.97
39! 10
42.00
40.80
31.33
35.57
34.63
32.17
32.00
33.07
32.27
39.67
21.17
34.20
30.00
37.47
30.87
35.83
31.97
37.17
36.33
40.43
31.03
36.70
32.17
34.87
40.27
34.57
36.67
TAG SYMBOLS
Determined to be an outlier
Normalized deviation
(grand-avg) (known) Tag
-0.65
-3.14
1.29 __
s\f" ' f /v Vx; - '"" ; ,„,
^ •• v - \ ' * /• , ,
-1.00
-0.81
-1.07
0.33
1.79
0.48
0.73
-1.07
0.17
-0.71
-2.05
0.74
-0.46
1.32
2.33
1.91
-1.37
0.10
-0.23
-1.08
-1.14
-0.77
-1.05
1.52
-4.89
-0.38
-1.83
0.76
-1.53
0.19
-1.15
0.65
0.36
1.78
-1.47
0.49
-1.08
-0.15
1.73
-0.25
0.48
It s Above
Ji s Below
-0.42
-2.90
A-SL-— v-.
* , A'^jvj oT^ *'m*&-
'' ' -^ T * A" /" , " ^ ? 
-------

CRD-LV Performance Evaluation: Gross Alpha-Beta in Water, 25-Oct-1996 12/16
Gross Beta
Lab Res. 1
^flR.-;
EV
v i" * *,*
• BW1-'
EX
FE
FF_
FL
FN
FZ
GQ
GT
GZ
m
HK
HL
HP
I
ID
JG
JM
JN
JP
JQ
JS
JY
K
KE
KH
KT
L
LE
LF
LL
LR
LT
M
MF
-MV|
vJMC&
'\NV>
^NA!
:<£• ^>4^>"
35.2
•••*"•• 0-j\N '••iXV^r
* **, " VVj^;;\^ *
45.3
30.8
	 34.2_
36.2
39.0
33.6
39.1
39.3
40.8
32.0
40.0
37.4
34.8
31.6
36.3
_„ 4*HU
40.7
27.7
30.7
36.5
21.5
48.4
36.3
30.5
36.7
33.8
__ 32.0
39.2~
44.6
37.0
32.0
49.8
39.6
38.0
40.8
;f^!;^63'jaX
ti : J^l66j4j|:
:""::x.V;^^x§;v
FJ^sSv?
Res. 2
V^^^fV
31.6
„ •• " «•"•!'•*•'• ^* ,, " "
7^ " f^'tv/^
35.6
31.5
_J6.1
28.2
38.0
25.8
39.0
37.4
33.8
33.0
40.2
33.8
35.7
31.2
40.9
__33.0
40.0
28.4
28.0
36.2
29.3
46.7
34.1
30.4
35.3
29.6
_4_ 34.0 	
39.3
42.3
35.0
33.1
37.1
30.1
33.0
39.8
o ^64v8l;^
>*>;:5&8<>y
^VC?;<>y '.,; x
•M^SS®"''
Res. 3
- Sf fK'*- --*
35.7
7^",{ -••' " *•

35.9
31.8
34.6
33.6
40.0
26.8
39.0
43.9
43.2
36.0
38.6
35.0
33.7
37.7
37.6
	 33.0 _
39.9
28.0
28.4
37.7
31.3
41.0
34.9
28.4
34.5
36.3
„. »,|6.oow
40.7
43.1
34.0
31.1
38.0
36.5
37.0
40.1
;Vv64&v
V J:7Q,i: ;
,-;v', %>l ;'
?^f|jl3>*
• s No data submitted
#•
Insufficient
data
X S
Exper.
Sigma
1 ; , -«» . - > . ;
1.27


5.52
0.51
1.00

4.08
1.00
4.24
0.06
3.34
4.88
2.08
0.87
1.83
1.00
3.64
2.37
1.15
0.44
0.35
1.46
0.79
5.18
3.88
1.11
1.18
1.11
3.39
2.00
0.84
1.17
1.53
1.00
7.09
4.84
2.65
0.51
"0.99
. ;8i39^ ;
- H -!'-,-' . '
^u:53\;.
Rng anal Normalized deviation
(R + SR) Average (grand-avg) (known) Tag
.« lji^;---
0.284


1.278
0.118
0.224

0.945
0.236
0.921
0.012
0.768
1.210
0.473
0.189
0.425
0.236
0.768
0.543
0.236
0.095
0.083
0.319
0.177
1.300
0.874
0.260
0.248
0.260
0.791
0.473
0.177
0.272
0.354
0.236
1.953
1.233
0.591
0.118
0.213
2.763

0.354
v\-x- ^l:^f
36.17
" O v\ ^v^ ^ <" ™
' ' *.* ^ ^^^
38.93
31.37
34.97
1 ^ ^ •• ••* <* ^ ^ *"
32.67
39.00
28.73
39.03
40.20
39.27
33.67
39.60
35.40
34.73
33.50
38.27
33.67
40.20
28.03
29.03
36.80
27'.37
45.37
35.10
29.77
35.50
33.23
34.00
V - '' ' >!
39.73
43.33
35.33
32.07
41.63
35.40
36.00
40.23
v '' '6443^^^
•- -,,^6|40vV;:
v4!-\^>
-- i1 - - , J '
;;%io\;^
tt s Above
U s Below
^tf^y^^.^..
0.54
o o s , ^-.\ 'v ^ *
: * f ' • '1* '
1.50
-1.12
0.13
-0.67
1.52
-2.03
1.54
1.94
1.62
-0.32
1.73
0.28
0.05
-0.38
1.27
-0.32_ 	 	
1.94
-2.27
-1.93
0.76
-2.51
3.73 It
0.17
-1.67
0.31
-0.47
^-0.21
1.78
3.03 tt
0.25
-0.88
2.44
0.28
0.48
1.95
lOJ2^"f^X:;5
".^J&^Y^^
•'•'^^V--'^!-:
5jiSf !S;-5
control limit
control limit
-------
. =».
13/16 CRD-LV Performance Evaluation: Gross Alpha-Beta in Water, 25-Oct-1996
Gross Beta
Lab
NB
NJ
NK
NO
N>'
NT
O
OA
OB
OF
OS
OT
' 'OX-:
, \jjrn?"
OYf:
p
PA
PB
PG
PM
PQ
PR
PV
Q
QC
QM
QP
QQ
QT
QU
QW
QX
QZ
R
RB
RD
RF
RG
RI
;W
VHR"
RZ
s
S0"
SD
SF
Res. 1
32.4
32.3
37.9
39.2
""'://. 6&8*
36.6
34.9
39.0
31.6
29.0
30.0
34.2
Tv^'i^tf'^'
* >*,'>\ , *"V*j.. %V*
f*,-,; ..,. 'v,;;, >,'>"-' ;,-, VI V ''
33.6
36.0
31.1
25.0
Res. 2 Res. 3
28.1
30.8
37.2
44.2
v,;.6*&\ ".;
36.4
34.6
44.0
29.0
29.0
31.0
^35.9__
Xj^V ?* ^--l' ^^ ^ ^V
^' •• ^ £^ ''' *'s'^i-./ c,v
'•••••'••-' '^jf ' ----,-..,- :,*
38.9
53.9
34.3
34.9
36.1
36.8
36.4
28.6
36.0
40.1
36.4
37.0
<;;^Tfti6{'*,\
36.1
41.4
42.2
36.1
36.3
34.0
36.9
36.9
40.1
39.0
fj;V,Vx, ' *\->
*\- \ '• '"- , ^ • /
31.3
37.8
% o - "^ ••;•• ^ ^
32.6
29.0
30.7
33.8
38.6
51.4
36.0
36.1
44.0
37.5
30.0
33.0
40.1
*•",!* /y,s -:•

f ?*xi - > .
35.1
48.8
33.7
33.4
40.2
37.0
35.7
30.6
34.7
39.6
34.5
35.5
-W;3!
42.9
42.8
43.0
37.2
28.1
34.0
36.1
41.5
34.2
42.2


29.9
36.9
t ' '^
33.7
22.0
• = No data submitted
0 s
Insufficient data
x =
Exper.
Sigma
2.17
1.50
0.70
6.13
0.31
0.79
2.89
4.36
0.58
1.53
3.04
\ /%'•; •";"" , i

* ' -\ " "
2.65
3.42
0.50
1.12
2.21
0.93
0.51
1.06
1.35
2.24
1.31
0.75
- ;;: 3.5J
4.28
2.03
0.53
1.31
4.41
0.58
0.42
3.06
2.99
1.94

"•
1.87
0.90
1.31
3.51
Rnganal
(R + SR) Average
0.508
0.354
0.165
1.840
oM
0.071
0.177
0.591
1.008
0.118
0.354
0.697
' ; sV«


0.602
0.768
0.118
0.260
0.484
0.201
0.118
0.236
0.319
0.484
0.295
0.177
0.827
0.933
0.473
0.118
0.307
0.969
0.118
0.095
0.685
0.697
0.413


0.437
0.213
0.307
0.827
30.40
32.30
37.90
44.93
36.33
35.20
42.33
32.70
29.33
31.33
36.73
- - " • -v\- ' ••''

; , '. "",> '' , '
35.93
50.03
33.77
33.67
38.63
37.43
35.83
29.40
36.03
41.13
35.97
36.23
5 80.40
41.00
41.00
42.80
37.33
31.27
34.33
36.43
38.03
37.43
39.97


31.60
36.90
32.47
25.33
TAG SYMBOLS
Determined
to be an
outlier
Normalized deviation
(grand-avg) (known) Tag
-1.69
-1.03
0.91
3.34
'T- "8,02- r
0.36
-0.03
2.44
-0.90
-2.06
-1.37
0.50
"''•sV- -,'•*' "-V -- ?/''
^ '^V^ - '- ,% v^ ^ ,
\ -:>i,,;..;..i;.; ?,,.
0.22
5.11
-0.53
-0.56
1.16
0.74
0.19
-2.04
0.26
2.03
0.24
0.33
r; 15,63 : v-
1.98
1.98
2.60
0.71
-1.39
-0.33
0.40
0.95
0.74
1.62
" '"; , •' "; ;>- s

-1.28
0.56
" "
-0.98
-3.45
ft s Above
U = Below
-1.45
-0.80
1.14
3.58 tt_
0.60
0.21
2.68
-0.66
-1.82
-1.13
0.74
s,, ™"'V%^'\,v^^, '
* *' V \ v - * , ^ "' '*
v^ 	 ^ 	 9 *'
0.46
5.35 tt
-0.29
-0.32
1.40
0.98
0.43
-1.80
0.50
- • * • • ."
2.26
0.47
0.57
15.87 ';_>V.
2.22
2.22
2.84
0.95
-1.15
-0.09
0.64
1.19
0.98
1.86
.,,!''-^>^
*
-1.04
0.80
,* -,
-0.74
-3.21 Ji
control limit
control limit
-------

CRD-LV Performance Evaluation: Gross Alpha-Beta in Water, 25-Oct-1996 14/16
Gross Beta
Lab
SG
SI
SL
"sail
XSN^'
»•* ^

so
SR
SS
su
sv
sx
sz
T
TO
5TCf
u-iwaxC
* rM'H ^"*
-' {tf^4:
!--TL,fv
TN
TO
TQ
TW
TY
U
Res. 1
35.4
32.0
36.9
^r^iMv^
x%* v \v"},; -s^V;;"J -
-.s -s s\ A*,5 \% v. s*
32.4
39.5
34.1
23.5
40.8
40.8
33.4
36.4
33.5
Mri^isi!
'"•••^ *. "" ^ •&4'"\ ^ i;A
%H§ % ^\^s^^vs\--XX''v.y:''
ll^-ifS^ltl^
%X*' ''tL^f^-V?
40.8
60.0
34.5
27.1
39.3
38.3
Res. 2
33.1
34.8
34.2
f^^ilii?
,y, s^s'^F--; V-
.. \ ^ " ^ s \% * "• *" ^
32.4
43.5
33.4
33.4
41.1
37.7
38.6
36.2
30.1
!pl?9&B^
1 \ <."•! !j. V ^ ^-V \-. \ 5 is
^ ^""'^"s % '•''v ^ "^ " '"'Vw i
;;\v-r!>: /^>^^
V!\u" ^;-"s,vt'"
37.5
39.0
34.4
27.7
39.8
37.5
Res. 3
28.2
32.9
35.0
i;»:?Ml.9 :*
$V> f^ s-1 "s
\Jt --- ,
41.2
41.0
34.4
32.1
40.4
35.8
Exper.
Rng anal Normalized deviation
Sigma (R + SR) Average
3.68
1.43
1.39
;\sV- 2.08V'
"• S •• *s S.
-. "• ^ "•'"•
0.12
2.03
1.23
4.95
0.21
2.81
2.62
0.42
2.51
--":ik'8-i :"-




2.03
11.59
0.06
2.73
0.55
1.28
-^jgP^:- ^-\ ss^;^r^y-^^i;; ^x ™-^p^r-=T'™ — —v .
UE
,UN<
UP
UQ
VA
"vc^
VH
VI
VJi
yo
"Vjf}
w_
WH
sWJ^
^ wo"
*'WB"
^WtJ)
• =
0 9
36.8
'*\: - 4iv4;-,;s';
34.6
34.3
_JU.8^
!T*tn|^?jp^
46^4
24.6
&T<&fc|£S
31.1
-, - ^v-"-':'i -
34.9_
31.2
sssss,s,_J^2,,l
37.4""
%;:fr*-?^:r"s'
$^;S^c
"""39.1™"
;-,^ 44j4f? :
35.7
35.6
25.5
\;fi'$i:-¥$vi:S'**\'1^'^¥v''-5s™''-
39™3
25.7
SSK99J0?5"
3L9
- ,-- s s X.S -
^,._32:9 _
26.5
__33.8 _
	 37.4~
,^*IV*?<" VT,1-
33.6
No data submitted
Insufficient data ''w
40.8
-<-" \68;8;;- x-
33.6
35.0
25.1_
^-•'^"V;"-'--
40.1
26.8
<;- -87.6 ,
33.2

	 34.2
26.5
30.9
40.6
w'i 'V,. s *V "^
32.3
x =
2.01
15;03
1.05
0,65
3.76

3.89
1.10
4.60
1.06

1.01
2.71
1.59
1.85

0.66
0.851
0.331
0.319
6.437
s \ -

0.024
0.473
0.284
1.323
0.047
0.662
0.614
0.095
0.579
5,283




0.437
3.821
0.012
0.591
0.130
0.295
sssssss, , ,s
0.473
5.261
0.248
0.154
0.791

0.839
0.260
1.098
0.248

0.236
0.555
0.343
0.378

0.154
TAG SYMBOLS
Determined to he an
32.23
33.23
35.37
- - 14*50^-
; ' >> , -,.>>;--
'' "" s s s s >'1' "" vs"1^
32.33
41.30
34.43
28.37
40.87
37.90
35.80
36.07
30.73
.;,'.,. li09l3p^
^ vt ^^ ^•~
1 •-•-'-, ^ -. ,"• Vi~
v ^ •t \ s
•,- f X-s - - V*
39.83
46.67
34.43
28.97
39.83
37.20
ss,s,s ^Sj^s^s-s ^ss^s^s-VSJSSSsS
38.90
"-,'• 51,53- *>
34.63
34.97
27.47

41.93
25.70
86:23
32.07

34.00
28.07
31.97
38.47 "*
1 -* - 'V-,-,-^
32.90
outlier
(grand-avg) (known) Tag
-1.06
-0.71
0.03
;^Vfj2o;}^l
, ' S\s.;-V\\s •; s ;}!*
K- V s V - s. -s s --> -^
-1.02
2.08
-0.30
-2.40
1.93
0.91
0.18
0.27
-1.58
V^25»64^""xV--
*• X"* •• s " SJX "• * S
|\ s tX ^t\'- % ••
%s "•
,x ^-j « v ^V -
1.58
3.94
-0.30
-2.19
1.58
	 0.6(5 	
s-s „, SSsessss.^; s -S,^ !^»*s
1.25
---! -5;63-T "i-;;
-0.23
-0.11
^ -2.71_
"* - v,* _'* -'
2.30
-3.32
17*65
-1.12
" V ' •> **
-0.45
-2.50
-1.15
"^Lio ':"'"
•' • -*-,;-;,-: , - - \
^jO.83
tt = Above
& = Below
-0.82
-0.47
0.27
^6Si|X-^ "
\;!-:-\,-r\0;-y>-->v
" "" X1"* ^ s. ^ " 5-'
-0.79
2.32
-0.06
-2.16
2.17
1.14
0.42
0.51
^-1.34 	
^5j§IB*7K^?
^^ " •^''"' t •- -.\ ^ "•
*• s ' s ^ "" *•• "• 5. ^ ••
VlvA"-\''^ '" *
,'->•? -,y--s* ,
1.81
4.18 ft
-0.06
-1.95
1.81
0.90
T-F-;"-,¥x>If»r"'
1.49
"'^SiST^sf-^x!^'
0.01
0.13
-2.47
^-": r vT.'.i" «s-^
2.54
-3.08 U
17.89V"; '- *
-0.88
-," - ,, s S, ", * •
-0.21
-2.26
-0.91
, ^ ^^^
-s!-,=r -T^x*,^^.
%-j).6?.l.w
control limit
control limit
-------
15 / 16 CRD-LV Performance Evaluation: .Gross Alpha-Beta in Water, 25-Oct-1996
Gross Beta
Lab Res. 1 Res. 2
tjffi<£"\'j'^&^'$i><. • ,i>?.&\ ' -
WW 31.2 27.0
WX 35.0 34.0
A / ff^ •. s : : •* v. v. fj jr-g^tt ^ -. ^..w ~^
'WX>'"£ *>'<"'*$&/* ^^'J^'^V"
X 33.2 32.7
'm^^-^V^^'

Exper. Rng anal
Res. 3 Sigma (R + SR)
27.1 2.40 0.496
34.0 0.58 0.118
^y^*^,* .. vv^*-;, -• '\ /t ^ , * *
;t"-;fX<,, VV, '„'•.;„;•..* 	 • „ , -' ,•'>•
34.6 0.98 0.224
,!w;.r *:.< ;'•>••. - , .-• • ••'/> .

Normalized deviation
Average (grand-avg) (known)
28.43 -2.37 -2.14
34.33 -0.33 -0.09
" ' * *"'V -. "\ v' ^ ™^-* * \ i?**
,-; - >;,"• •' >>*\y* ~ - "V" ^-l , - ;'
33.50 -0.62 -0.38
". / - . •',.•;- ^-^ :^,:; '. ,.=~~


Tag
' *:

11 C""Vv.
V *^ ^

WV
Data sorted by Laboratory Average
Average Tag
14.50 x
21.17 $
25.33 U
25.70 U
26.23
27.37
27.47
28.03
28.07
28.37
28.43
28.73
28.97
29.03
29.33
29.37
29.40
29.77
30.00
30.40
30.73
30.87
31.03
31.27
31.33
31.33
31.37
31.60
31.97
31.97
32.00
32.07
32.07
32.17
32.17
32.20
• s No data submitted
0 = Insufficient data
Lab
SM
CO
SF
VI
AE
JQ
VA
JM
WH
su
WW
FZ
TW
JN
OF
BC
PV
K
CX
NB
TD
DB
DS
R
OS
BN
FE
RZ
WJ
DE
CA
LL
VO
DZ
C
AZ
Average Tag
32.20
32.23
32.27
32.30
32.33
32.40
32.47
32.67
32.70
32.90
32.93
33.07
33.23
33.23
33.23
33.40
33.50
33.50
33.67
33.67
33.67
33.77
33.97
34.00
34.00
34.20
34.33
34.33
34.43
34.43
34.57
34.63
34.63
34.73
34.87
34.97
TAG SYMBOLS
Lab
AL
SG
CG
NJ
SO
AJ
SD
FL
OB
WR
AK
CE
SI
KH
BB
A
X
I
PG
IU
HI
PB
BH
KT
W
CS
WX
RB
TQ
ss
EL
UP
BS
HP
E
UQ
Average Tag
34.97
35.10
35.20
35.33
35.37
35.40
35.40
35.50
35.57
35.77
35.80
35.83
35.83
35.93
35.97
36.00
36.03
36.07
36.17
36.23
36.23
36.33
36.33
36.43
36.67
36.67
36.70
36.73
36.80
36.90
37.17
37.20
37.33
37.40
37.43
37.43
tt s Above control
x s Determined to be an outlier Jl = Below control
Lab
FF
JY
0
LF
SL
LT
HL
KE
BO
BA
SZ
DD
PR
P
QP
M
Q
T
EV
QQ
AP
NT
DO
RD
EO
AU
DT
OT
JP
S
DH
U
QZ
AW
RG
PQ
limit
limit
-------
CRD-LV Performance Evaluation: Gross Alpha-Beta in Water, 25-Oct-1996 16
Gross Beta

Average Tag
37.43
37.47
37.90
37.90
38.03
38.27
38.47
38.63
38.90
38.93
39.00
39.00
39.03
39.10
39.27
39.60
39.67
% responding labs


° -6 ' -4

% responding labs


° -6 ' -4

• s No data submitted
0 3 Insufficient data

Data sorted by Laboratory Average
Lab Average Tag Lab
BG 39.73 L
D 39.83 TY
SX 39.83 TN
NK 39.97 RI
RF 40.20 JG
ID 40.20 GT
WO 40.23 MF
PM 40.27 EB
UE 40.43 DR
EX 40.47 AR
FN 40.80 BM
AF 40.87 SV
GQ 41.00 QW
BK 41.00 QU
GZ 41.13 QM
HK 41.30 SR
CJ 41.63 LR
Average Tag
41.93
42.00
42.33
42.80
43.33 ft
44.93 ft
45.37 ft
46.67 ft
50.03 ft
51.53 x
54.33 x
58.43 x
63.10 x
64.13 x
80.40 x
86.23 x
109.30 x
Frequency distribution
•
	 •....••lilillllllL. ••••_._
-2 0 +2 +4
Normalized deviation of the mean from the known value
Frequency distribution

	 .. .••liiitlllii. i.iii . . T
-2 0 +2 +4
Normalized deviation of the mean from the grand average
TAG SYMBOLS ft s Above control
x = Determined to be an outlier 11 3 Below control
716


Lab
VH
BL
OA
QX
LE
NO
JS
TO
PA
UN
NA
NP
MX
MV
QT
VJ
TG


|
+6



1
+6

limit
limit
-------