NYC 9/11 Public Portal Document
TESTING (ELPAT) PROGRAM
ENVIRONMENTAL LEAD PROFICIENCY ANALYTICAL
INDIVIDUAL LABORATORY REPORT FOR ROUND 023
LAB ID=07054 JUNE 24, 1998
ASSOCIATES INC. NY, NEW YORK, MY 10010
ATC
REFERENCE ACCEPTABLE RANGE # LAB iu 2 &
SAMPLE REPORTED
VALUES " LOWER UP°ER PERFORMANCE SCORE
SAMPLE TYPE NO. RESULTS
----------------------
O.ni3h6 0.0265 0.0467 A 2~
:'r:nt Chips (n) 1 0.0375
1.5085 1.4203 2.1966 A 0.18
2 1 .8316
i 0.42:; 0.3469 0.5042 t -0-30
0.4177
1.0184 1.0131 0.8111 1.2152 0.08
4
1421 .6 1157.5 1655.6 A -0.37
Soi l (mg/kg) 1 1392.7
47.' 36.9 77.9 A 0.59
2 61.4
::1P. 9 168 269.7 A -0.35
3 213
459.4 46(.2 388.2 532.2 A -0.03
4
125.1348 99.4 158.9 A -1.70
Oust wipes (ug) 1 112.3
271.547 210.4 332.7 A -1.08
2 249.5
59.0183 38.4 79.7 A -0.56
3 55.2
561.9713 438.3 685.7 A 0-17
4 365'
reference laboratories
• Reference value is the mean of the
reference value + 3 standard deviations
Upper limit:
Lower limit: reference value 3 standard deviations
Results not reported
A: Analysis acceptable;
H: Results > upper limit, L: Results < lower limit, not acceptable
(reported result -reference value)/standard deviation
8 2 Score =
of reported results is based on z -scores.
Note: the acceptabiity
appear acceptable according to
This is why a reported result may
outl ier.
performance l imits, but be identified as an
LABORATORY YEAR-TO-OATE PERFORMANCE REPORT
LA8 ID=07054
ROUND * ACCUMULATED PERFORMANCE PROFICIENCY
ROUND
PERFORMANCE 4 ROUNDS(%) 2 ROUNDS( ) RATING #
SAMPLE TYPE NO.
----------------•---•----------------------
020 4/4
Paint Chips (%)
021 4/4
022 4/4
023 4/4 16/16 100 8/8 100 P
020 4/4
Soil (mg/kg)
021 4/4
022 4/4
4/4 16/16 100 8/8 100 P
023
020 4/4
Oust wipes (ug)
021 4/4
022 4/4
4/4 16/16 100 8/8 100 P
023
of total samples analyzed.
• The denominators represent the number
numerators represent the nsnoer of acceptable results.
The
NP: Nonproficient -: Not Rated
9 P : Proficient over four rounds
Performance ratings are based on accumulated results
paint chips, soi l, or dust
(one year). A lab's performance in ground
rated proficient (P), if: 1) three-fourths (757.) or more of the
wipes is
over four rounds are acceptable or 2) For the last
accumulated results
analyzed and the results are 100 Y. acceptable.
two rounds, all samples are
NYC-WTC 000121035
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