NYC 9/11 Public Portal Document
(ELPAT) PROGRAM
ENVIRONMENTAL LEAD PROFICIENCY ANALYTYCAL: TNSTING
INDIVIDUAL LABORATORY REPORT FOR ROUND 021
LAB ID-07054 OECE.MBER 16, 1997
ATC ASSOCIATES, INC. NY, NEW YORK, NY 10010
REFERENCE ACCEPTABLE RANGE # I.AB B 23
SAMPLE REPORTED
RESULTS VALUES * LOWER UP'KR._» PERFORMANCE SCORE
SAMPLE TYPE No.
(X)-----•j-------1.u833....,.-1.OS78y•--_--0.864+».. '--A
t`f56 0.39
Pafnt`C»ips
2 0.0459 0.0452 0.0328 0.05Ti A 0.17
6.6414 4.5218 8.7609 A 1.58
3 7.756
0.4949 0.3141 0.395 0.6332 A -0.36
4
459.6 463.5 387.3 539.7 A -0.15
Soil (mg/kg) 1
846.9 830.8 675.6 985.9 A 0.31
2
78.8 69.2 46.5 91.8 A 1.28
3 -0.17
342.4 347.2 262.2 432.3 A
4
270.3 269.5319 198.4 340.7 A 0.03
Dust wipes (ug) 1
163.8 159.5374 111.5 207.5 A 0.27
2
80.6 79.2462 53.9 1C4.6 A 0.16
3
704.9 735.3033 502.8 877.2 A
4
reference Laboratories
* Reference value Is the mean of the
deviations
# Upper limit: reference value + 3 standard
deviations
Lower limit: reference value - 3 standard
Analysis acceptable: -: Results not reported
B A:
< Lower limit, not acceptable
H: Results > upper limit, L: Results deviation
(reported result -reference value)/standard
Z Score =
reported results Is based on z-scores.
Note: the acceptablity of acceptable according to
This is why a reported result may appear
performance limits, but be identified as an outlier.
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LABORATORY YEAR-TO-DATE PERFORMANCE REPORT
LAB ID=07054
ROUND * ACCUMULATED PERFORMANCE PROFICIENCY
ROUND
PERFORMANCE '4 ROUNDS(-.) 2 ROUNDS(-.) RATING
SAMPLE TYPE NO.
Paint Chips (%) 018 4/4
019 4/4
020 4/4
4/4 16/16 100 8/8 100 P
021
Soil (mg/kg) 020 414
4/4 8/8 100 8/8 100 P
021
Dust Wipes (ug) 018 4/4
019 4/4
020 4/4
4/4 16116 100 8/8 100 P
021
total samples analyzed.
The denominators represent the number of
acceptable results.
The numerators represent the number of
NP: Nonproficient -: Not Rated
# P : Proficient over four rounds
Performance ratings are based on accumulated results
chips, soil, or dust
(one year). A tab's performance in ground paint
-fourths (75X) or more of the
wipes is rated proficient (P), if: 1) three or 2) for the test
accumulated results over four rounds are acceptable
rounds, all samples are analyzed and the results are 100 X acceptable.
two
NYC-WTC 000121510
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