NYC 9/11 Public Portal Document
TESTING (ELPAT) PROGRAM
ENVIRONMENTAL LEAD PROFICIENCY ANALYTICAL
INDIVIDUAL LABORATORY REPORT FOR ROUND 024
LAB =07054 SEPTEMBER 23, 1998
NT 10010
ATC A; OC ATES INC_ NEW YORK,
REFERENCE ACCEPTABLE RANGE # LAB & Z &
SAMPLE REPORTED
SAMPLE TYPE N0. RESUL TS VALUES * LOWER UPPER
------------- PERFORMANCE SCORE
----------------------
0.7432 0.5812 0. 1u52 A 1.57
Ch' s (X) 1 0.6582
aint 0.1492 0.2762 A -1.77
2 0.1752 0.2127
0.0524 0 5f' 0,^•£72 A -0.29
3 0.651
4 3.2413 3.3834 2.6436 4.1231 A -0.58
400.7 440.6 354 527.2 A -1.38
Soil (mg/kg) 545.3 827.4 A -1.28
626. 1 686.3
3 713.1 820.9 651.2 990.5 A -1.91
39.9 34.2 13. 1 55.3 A 0.81
58 57.8355 37.5 78.2 A 0.02
Dust wipes (ug) 884 1370.2 A -0.98
2 1047.3 1127.0581
128.3887 93.4 163.4 A -0. 11
3 127. 1
401.8589 326 477.8 A -1.86
4 354.8
reference taboratori.es
* Reference value is the mean of the
standard deviations
# Upper limit: reference value + 3
deviations
Lower limit: reference value - 3 standard
acceptable; Results not reported
a A: Analysis -:
lower limit, not acceptable
H: Results > upper limit, L: Results <
-reference value)/standard deviation
& 2 Score = (reported result
results is based on z-scores.
Note: the acceptablity of reported
appear acceptable according to
This is why a reported result may
performance , but be identified as an outt ier.
LABORATORY YEAR-TO-DATE PERFORMANCE REPORT
LAB I0=07054
ACCUMULATED PERFORMANCE PROFICIENCY
ROUND ROUND *
PERFORMANCE 4 ROUNDS(.) 2 ROUNDS(%) RATING #
SAMPLE TYPE N0.
•
Paint Chips (7.) 021 4/4
022 4/4
023 4/4
4/4 16/16 100 8/8 100 P
024
021 4/4
Sail (mg/kg)
022 4/4
023 4/4
4/4 16/16 100 8/8 100 P
024
021 4/4
Dust Wipes (ug)
022 4/4
023 4/4
4/4 16/16 100 8/8 100 P
024
of total samples analyzed.
• The denominators represent the number
represent the number of acceptable results.
The numerators
NP: Nonproficient •: Not Rated
a P : Proficient over four rounds
Performance ratings ae7based an accumulated results
paint chips, soil, or dust
(one year). A lab's er ormance in ground
nt (P), if: 1) three -fourths (75%) or more of the
wipes is rated profici
or 2) for the last
accumulated results aver four rounds are acceptable
rounds, all samples are analyzed and the results are 100 " acceptable.
two
NYC-WTC 000121034
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