NYC 9/11 Public Portal Document
TESTING (ELPAT) PROGRAM
ENVIRONMENTAL LEAD PROFICIENCY ANALYTICAL
INDIVIDUAL LABORATORY REPORT FOR ROUND 021 r:..
LAB ID=07054 DECEMBER 16, 1997
ATC ASSOCIATES, INC. NY, NEW YORK, NY 10010
REFERENCE ACCEPTABLh RANGE LAB a Z &
SAMPLE REPORTED
VALUES • LOWER UPnER PERFORMANCE SCORE
SAMPLE TYPE NO. RESULTS
------------------ -------
0.864 1 5%L A 0.39
- Cnips (X) 1 1.0833 1.0578
Paint 0.0575 0.1/
2 0.0459 0.0452 0.0328
6.6414 4.5218 8.7609 1.58
3 7.756
0.5141 0.395 0.6332 A -0.36
4 0.4999
463.5 387.3 539.7 A -0.15
Soi l (mg/kg) 1 459.6
830.8 675.6 985.9 A 0.31
2 846.9
69.2 46.5 91.8 A 1.28
3 78.8
347.2 262.2 432.3 A -0.17
4 342.4
269.5319 198.4 340.7 A 0.03
Dust Wipes (ug) 1 270.3
159.5374 111.5 207.5 A 0.2;
2 163.8
79.2462 53.9 114.6 A 0.16
3 80.6
• 4 704.9 735.3033 592-8
• Reference value is the mean of the reference laboratories
standard deviations
# Upper Limit: reference value + 3
standard deviations
Lower Limit: reference value - 3
Results not reported
3 A: Analysis acceptable; -:
Results > upper limit, L: Results < lower limit, not acceptable
H:
-reference value)/standard deviation
S Z Score = (reported result
of reported results is based on z-scores.
Note: the acceptablity acceptable according to
This is why a reported result may appear
outlier.
performance Limits, but be identified as an
---------------------
--------------
LABORATORY YEAR-TO-DATE PERFORMANCE REPORT
LAB ID=07054
ACCUMULATED PERFORMANCE PROFICIENCY
• ROUND ROUND •
2 ROUNDS('_) RATING
NO. PERFORMANCE 4 ROUNDS(%)
SAMPLE TYPE
----------------------------------------------------
018 4/4
Paint Chips (%)
019 4/4
020 4/4 P
4/4 16/16 100 8/8 100
021
020 4/4
Soil (mg/kg) 100 8/8 100 P
021 ;`t 4/4 8/8
018 4/4
Dust Wipes (ug)
019 4/4
020 4/4
16/16 100 8/8 100 P
021 4/4
number of total samples analyzed.
* The denominators represent the
the number of acceptable results.
The numerators represent Not Rated
# P : Proficient NP: Nonproficient -:
results over four rounds
Performance ratings are based on accumulated
ground paint chips, sail , or dust
(one year). A lab's performance in
if: 1) three-fourths (75X) or more of the
wipes is rated proficient (P),
are acceptable or 2) for the last
accumulated results over four rounds
rounds, all samples are analyzed and the results are 100 X acceptable.
two
NYC-WTC 000095446
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