NYC 9/11 Public Portal Document
(ELPAT) PROGRAM
ENVIRONMENTAL LEAD PROFICIENCY ANALYTICAL TESTING
INDIVIDUAL LABORATORY REPORT FOR ROUND 024
LAS .iRDCv07054 SEPTEMBER 23, 1998
ATC ASI baiw• TES INC., NEW YORK, NY 10010
REFERENCE ACCEPTABLE RANGE # LAB B Z &
SAMPLE REPORTED
RESULTS VALUES * LOWER UPPER PERFORMANCE SCORE
SAMPLE TYPE NO.
0.6582 0.7432 0.5812 0.9052 A -1.57
Paint Chips (X) 1
0.1752 0.2127 0.1492 n.2762 A -1.77
2
3 0.05'• 0.0524 0.0377 0.0672 A -0.29
3.2413 3.3834 2.6436 4.1232 A -0.58
4
400.7 440.6 354 527.2 A -1.38
Soil (mg/kg) 1
626.1 686.3 545.3 827.4 A -1.28
2
3 713.1 820.9 651.2 990.5 A -1.91
39.9 34.2 13.1 55.3 A 0.81
4
58 57.8355 37.5 78.2 A 0.02
Oust Wipes (ug) 1
1047.3 1127.0581 884 1370.2 A -0.98
2
3 127.1 128.3887 93.4 163.4 A -0.11
354.8 401.8589 326 477.8 A -1.86
4
laboratories
• * Reference value is the ma - ut tna reference
# Upper limit: refere^.ce.raiue 3 standard deviations
Lower limit: reference value - 3 standard deviations
8 A: Analysis acceptable; Results not reported
-:
acceptable
H: Results > upper limit, L: Results < tower limit, not
deviation
& Z Score = (reported result-reference value)/standard
-scores.
Note: the acceptablity of reported results is based on z to
This is why a reported result may appear acceptable according
performance Limits, but be identified as an outlier.
ri
LABORATORY YEAR-TO-DATE PERFORMANCE REPORT
LAB ID=07054
ROUND * ACCUMULATED PERFORMANCE PROFICIENCY
ROUND
NO. PERFORMANCE 4 ROUNDS(%) 2'ROUNDS(%) RATING #
. SAMPLE TYPE
Paint Chips (X) 021 4/4
022 4/4
023 4/4
024 4/4 16/16 100 8/8 100 P
Soil (mg/kg) 021 4/4
022 4/4
023 4/4
4/4 16/16 100 8/8 100 P
024
Oust Wipes (ug) 021 4/4
022 4/4
023 4/4
024 4/4 16/16 100 8/8 100 P
analyzed.
* The denominators represent the number of total samples
The numerators represent the number of acceptable results.
NP: Nonproficient Not Rated
# P : Proficient -:
rounds
Performance ratings agebased on accumulated results over four
(one year). A lab's r•ormance in ground paint chips, soil, or dust
or more of the
wipes is rated profict t (P), if: 1) three fourths (75%)
accumulated results over four rounds are acceptable or 2) for the last
100 % acceptable.
two rounds, all samples are analyzed and the results are
NYC-WTC 000095601
OCR can misread numbers and units. Confirm readings against the page image before using them.