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Document / 23 pages

Monitoring report cover sheet, 345 South End Ave, 2001

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Cover page for a monitoring report regarding environmental testing at 375 South End Avenue in 2001.

NYC-WTC_000095454–000095476

Folder label: “345 SOUTH END AVENUE Block: 16 Lot: 100 BIN: 1083378

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NYC 9/11 Public Portal Document

TESTING'(ELPAT) PROGRAM ENVIRONMENTAL LEAD PROFICIENCY ANALYTICAL 024 INDIVIDUAL LABORATORY REPORT FOR ROUND LAB J~ 07054 SEPTEMBER 23, 1998 NY 10010 ATC A4OcrATES INC., NEW YORK,

REFERENCE ACCEPTABLE RANGE # LAB a 2 & SAMPLE REPORTED RESULTS VALUES * LOWER UPPER PERFORMANCE SCORE TYPE NO. ~.-SAMPLE ----------------------------------- 0.7432 0.5812 O.yu52 A -1.57 Paint Ch'75 (X) 1 0.6582 0.2127 0.1492 0.2762 A -1.77 0,1752 3 0.051 0.0524 n.(+3Y' 0..'672 A -0.29 3.2413 3.3834 2.6436 4.1231 A -0.58 4

400.7 440.6 354 527.2 A Soi l (mg/kg) 1 626.1 686.3 545.3 827.4 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 1047.3 1127.0581 884 1370.2 A -0.98 3 127. 1 128.3887 93.4 163.4 A -0. 11 354.8 401.8589 326 477.8 A - 1.86 4

reference laboratories • Reference value is the mean of the reference value + 3 standard deviations # Upper limit: Lower limit: reference value - 3 standard deviations a A: Analysis acceptable; Results not reported lower limit, not acceptable H: Results > upper limit, L: Results < (reported result -reference value)/standard deviation 8 2 Score = based on z-scores. Note: the accectabl ity of reported results is this is why a reported result may appear acceptable according to performance l imits, but be identified as an outl ier.

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

ROUND * ACCUMULATED PERFORMANCE PROFICIENCY ROUND PERFORMANCE 4 ROUNDS(:.) 2 ROUNDS(X) RATING # . SAMPLE TYPE NO. --------------------------- 021 4/4 Paint Chips (3i) 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

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

of total samples analyzed. • The denominators represent the number of acceptable results. The numerators represent the number NP: Nonproficient -: Not Rated # P : Proficient ce,-.based on accumulated results over four rounds Performance ratings chips, soi l , or dust (one year). A lab's er ormance in ground paint fourths (757..) or more of the wipes is rated profici nt (P)', if: 1) three for the last accumulated results over four rounds are acceptable or 2) are analyzed and the results are 100 X acceptable. two rounds, all samples

NYC-WTC 000095472

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NYC-WTC_000095472Source: NYC Law Department, mirrored locally

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