NYC 9/11 Public Portal Document
ROUND(022AT) PROGRAM
ENVIRONMENTAL PROFICIENCYRYANALYTICAL RTESTING
I F
N LABORAT
LAB 10=07054 MARCH 18, 1998
INC. NY, NEW YORK, NY 10010
ATC ASSOCIATES,
ACCEPTABLE RANGE # LAB ai Z &
REPORTED REFERENCE
SAMPLE UPPER PERFORMANCE SCORE
RESULTS VALUES * LOWER
SAMPLE TYPE NO. ---------------------- -------
1 4 07 1.2043 1.7171 A -0.39
~'~'..--..... 1.4275 0.66
P.;nt Chips (~) 0.0818 0.0628 0.1('Ou A
2 0.086 -1.04
&.5632 3.6256 5.5009 A
3 4.2394
0.654 0.5264 .1.7645 A -0.52
4 0.6247
1 351.6 360.8 292.3 429.4 A -0.40
Soi l (mg/kg) 49.7 96.7 A 0.46
2 76.8 73.2
682.5 986.5 A -0.69
3 799.3 834.5
560 806.3 A -0.81
4 649.9 683.2
432.1 699 8 A •0.77
1 531.6 565.9373
Oust wipes (ug) 128.9551 94.1 1F3.8 A •0.47
2 123.5
198.9 345 2 A 0.02
3 272.6 272.0263
714.6 1076 A -0.53
4 863.1 895.2703
of-C`•e^refecetace..l`boratories
• Reference value is the man
standard deviations
Upper limit: referert2e wlue + 3
limit: reference value - 3 standard deviations
Lower
-: Results not reported
A: Analysis acceptable;
limit, L: Results < lower limit, not acceptable
H: Results > upper value)/standard deviation
result -reference
& Z Score = (reported is based on z-scores.
reported results
Note: the acceptablity of according to
why a reported result may appear acceptable
This is an outlier.
imits, but be identified as
performance l
N
REPORT
LABORATORY YEAR-TO-DAJE PERFORMANCE
LAB I0=07054
ACCUMULATED PERFORMANCE PROFICIENCY
ROUND ROUND •
2 ROUNDS() RATING 9
NO. PERFORMANCE 4 ROUNDS(%)
SAMPLE TYPE ---------------------------
--------- -----'
019 4/4
Paint Chips O
020 4/4
021 4/4
. 16/16 100 8/8 100 P
022 4/4
020 4/4
Soil (mg/kg)
021 4/4
12/12 100 8/8 100 P
022 4/4
019 4/4
Oust Wipes (ug)
020 4/4
021 4/4
16/16 100 8/8 100 p
022 4/4
analyzed.
the number of total samples
• The denominators represent acceptable results.
the number of
The numerators represent -: Not Raced
p : Proficient NP: Nonproficient
are based on accumulated results over four rounds
Performance ratings or dust
performance in ground paint chips, soil ,
(one year). A lab's -fourths (757) or more of the
if: 1) three
wipes is rated proficient (P),
results over four rounds are acceptable or 2) for the last
accumulated acceptable.
analyzed and the results are 100 it.
two rounds, all samples are
NYC-WTC 000120985
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