NYC 9/11 Public Portal Document
(ELPAT) PROGRAM
ENVIRONMENTAL LEAD PROFICIENCY ANALYTICAL TESTING
INDIVIDUAL LABORATORY REPORT FOR ROUND 023 ,•
LAS ID=07054 JUNE 24, 1998
ATC ASSOCIATES INC. MY, NEW YORK, NY 10010
REPORTED REFERENCE ACCEPTABLE RAG .4 LAB @ Z &
SAMPLE
• RESULTS VALUES ' LOWER UppER PERFORMANCE SCORE
• $ANKLE TYPE NO.
------•----- ------- --------- -- -------
0.0375 0.1366 0.0265 0.0467 A
:t:nt Chips (.) 1
1.8085 1.4203 2.1966 A 0.18
2 1.8316
0.4255 0.3469 0.5042 1 -0.30
3 0.4177
G 1.0184 1.0131 0.8111 1.2152
1421.6 1187.5 1655.6 A -0.37
Soil tmg/kg) 1 1392.7
57.4 36.9 77.9 A 0.59
::.. 2 61.4
7.1P, 9 168 269.7 A 0.35
3 213
459.4 460.1 388.2 532.2 A -0.03
4
125.1348 99.4 158.9 A -1.70
Dust wipes lug) 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 _69
reference laboratories
r Reference value is the mean of the
Upper limit: reference value + 3 standard deviations
#
deviations
Lower limit: reference value - 3 standard
reported
is A: Analysis acceptable; •: Results not < lower limit, not acceptable
H: Results > upper limit, L: Results
(reported result -reference value)/standard deviation
& Z Score =
results is based on z-scores.
Note: the acceptablity of reported
This is why a reported result may appear acceptable according to
performance limits, but be identified as an outlier.
LABORATORY YEAR-TO-DATE PERFORMANCE REPORT
LAS iD-07054
ACCUMULATED PERFORMANCE PROFICIENCY
ROUND ROUND "
PERFORMANCE 4 ROUNDS(%) 2 RO(JNDS(%) RATING #
SAMPLE TYPE NO.
Paint Chips !X) 020 4/4
021 4/4
022 4/4
4/4 16/16 100 8/8 100 P
023
Soil (mg/kg) 020 4/4
021 4/4
022 4/4
4/4 16/16 100 8/8 100 P
023
Dust Wipes lug) 020 4/4
021 4/4
022 4/4
4/4 16/16 100 8/8 100 P
023
total samples analyzed.
The denominators represent the number of
acceptable results.
The numerators represent the number of
NP: Monproficient Not Rated-:
># P : Proficient
ratings are based on accumulated results over four rounds
Performance
paint chips, sort, or dust
(one year). A tab's performance in ground
(75%) or more of the
wipes is rated proficient (P), if: 1) three-fourths
for the last
accumulated results over four rounds are acceptable or 2)
100 % acceptable.
two rounds, atl samples are analyzed and the results are
NYC-WTC 000121508
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