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← Document results/DEP Box 48/345 SOUTH END AVENUE Block: 16 Lot: 100 BIN: 1083376 385 South End Avenue, Building #500
Document / 53 pages

Chain of custody for air monitoring at 385 South End

Machine-extracted title · confidence 95%

Record documenting the transfer and custody of air samples from Building #500 at 385 South End Avenue collected on October 22, 2001.

NYC-WTC_000121462–000121514

Folder label: “345 SOUTH END AVENUE Block: 16 Lot: 100 BIN: 1083376 385 South End Avenue, Building #500”

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Scanned page image, NYC-WTC_000121507
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OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

TESTING (ELPAT) PROGRAM ENVIRONMENTAL LEAD PROFICIENCY ANALYTICAL INDIVIDUAL LABORATORY REPORT FOR ROUND 024 LAB e07054 SEPTEMBER 23, 1998 10010 ATC A OC ATES INC.; NEW YORK. NY 1 ~M

REPORTED REFERENCE ACCEPTABLE RANGE # LAB 8 2 & SAMPLE PERFORMANCE SCORE NO. RESULTS VALUES * ,--LOWER UPPER AMPLE TYPE ----------------- ------- 0.7432 O.S$12 O,s~052 A 1.57 Paint Chips (X) 1 0.6582 0.2127 0.1492 0.2762 A -1.77 (1.1752 0.051 0.0524 n. 37? 0,"4-72 A -0.29 3 3.3834 2.6436 4.1232 A •0.58 4 3.2413

400.7 440.6 354 527.2 A -1.38 Soil (mg/kg) 1 626.1 696.3 545.3 827.4 A -1.28 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) 1 2 1127.0581 884 1370.2 A -0.98 1047.3 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 mean of the reference Upper Limit: reference value + 3 standard deviations Lower Limit: reference value - 13 standard deviations N A: Analysis acceptable; -: Results not reported lower Limit, not acceptable N: Results > upper limit, L: Results < deviation result-reference value)/standard & 2 Score = (reported on 2-scores. Note: the acceptab(ity of reported results is based according to This is why a reported result may appear acceptable outlier. performance limits, but be identified as an

LABORATORY YEAR-TO-DATE PERFORMANCE REPORT LAB ID=07054

ROUND * ACCUMULATED PERFORMANCE PROFICIENCY ROUND RATING # NO. PERFORMANCE 4 ROUNDS(%) 2 ROUNDS( ) SAMPLE TYPE

Paint Chips (7.) 021 4/4 022 4/4 023 4/4 4/4 16/16 100 8/8 100 P 024

Soil (mg/kg) 021 4/4 022 4/4 023 4/4 4/4 16/16 100 8/8 100 p 024

Dust Wipes (ug) 021 4/4 022 4/4 023 4/4 024 4/4 16/16 100 8/8 100 p

samples analyzed. The denominators represent the number of total acceptable results. The numerators represent the number of NP: Nanproficient -: Not Rated I P : Proficient Performance ratings ased on accumulated results over four rounds chips, soil, or dust (one year). A Lab's Ve:r..tormance in ground paint wipes is rated profi (P), if: 1) three-fourths (757.) or more of the accumulated results over four rounds are acceptable or 2) for the last two rounds, all samples are analyzed and the results are 100 % acceptable.

NYC-WTC 000121507

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NYC-WTC_000121507Source: NYC Law Department, mirrored locally

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NYC-WTC_000120991 · Box DEP Box 48

Record documenting the transfer and custody of air samples from Building #100 at 345 South End Avenue collected on October 22, 2001.

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