NYC Law Department release
Independent mirror · updated as the City releases more · v1.2.6
← Document results/DEP Box 02/345 SOUTH END AVENUE Block: 16 Lot: 100 BIN: 1083378
Document / 123 pages

Chain of custody form for bulk sampling and air monitoring,

Machine-extracted title · confidence 90%

Documentation tracking the chain of custody for environmental samples collected from Building #400 at 375 South End Avenue in October 2001.

NYC-WTC_000095208–000095330

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

Page image
Scanned page image, NYC-WTC_000095323
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

ENVIRONMENTAL LEAD PROFICIENCY ANALYTICAL TESTING (ELPAT) PROGRAM INDIVIDUAL LABORATORY REPORT FOR ROUND 021 -•

w <

LAB IDa07054 DECEMBER 16, 1997 ATC ASSOCIATES, INC. NY, NEW YORK, NY 10010

SAMPLE REPORTED REFERENCE ACCEPTABLI RANGE # I.AB 2 2& SAMPLE TYPE NO. RESULTS VALUES * LOWER UPPER PERFORMANCE SCORE

1.0833 1.0578 0.864 1.2516 A 0.39 Paint Chips (%) 1 2 0.0459 0.0452 0.0328 0.05T9 A 0.17 3 7.756 6.6414 4.5218 8.7609 A 1.58 4 0.4999 0.5141 0.395 0.6332 A -0.36

1 459.6 663.5 387.3 539.7 A -0.15 Soil (mg/kg) 2 846.9 830.8 675.6 985.9 A 0.31 3 78.8 69.2 46.5 91.8 A 1.28 4 342.4 347.2 262.2 432.3 A -0.17

Dust Wipes (ug) 1 270.3 269.5319 198.4 340.7 A 0.03 2 163.8 159.5374 111.5 207.5 A 0.27 • 3 80.6 79.2462 53.9 104.6 A 0.16 4 704.9 735.3033 592,8 877.8 A

* Reference value is the mean of the reference laboratories # Upper limit: reference value + 3 standard deviations Lower Limit: reference value - 3 standard deviations a A: Analysis acceptable; Results not reported -:

H: Results > upper Limit, L: Results < lower limit, not acceptable & 2 Score = (reported result-reference value)/standard deviation Note: the acceptabLity of reported results is based on z-scores. This is why a reported result may appear acceptable according to performance limits, but be identified as an outlier.

LABORATORY YEAR-TO-DATE PERFORMANCE REPORT LAB I0=07054

ROUND ROUND * ACCUMULATED PERFORMANCE PROFICIENCY NO. PERFORMANCE 4 ROUNDS(%) 2 ROUNDS( ) RATING ill SAMPLE TYPE ------------------------------------------------------------------------------------ Paint Chips (%) 018 4/4 019 4/4 020 4/4 021 4/4 16/16 100 8/8 100 P

Soil (mg/kg) 020 4/4 021 4/4 8/8 100 8/8 100 P

Dust Wipes (ug) 018 4/4 019 4/4 020 4/4 021 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. # P : Proficient NP: Nonproficient Not Rated -:

Performance ratings are based on accumulated results over four rounds (one year). A Lab's performance in ground paint chips, soil, or dust wipes is rated proficient (P), if: 1) three-fourths (75%) or more of the accumulated results over four rounds are acceptable or 2) for the Last acceptable. two rounds, all samples are analyzed and the results are 100 %

NYC-WTC 000095323

OCR can misread numbers and units. Confirm readings against the page image before using them.

NYC-WTC_000095323Source: NYC Law Department, mirrored locally

Related records

Browse subjects →

Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.

Same-box records

Filed elsewhere

More like this page

Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.

Page similarity is temporarily unavailable or this page has no indexed vector.

Buildings in this record

Machine-extracted building matches; verify each source. Buildings, never households.

Others also read

Readers open these alongside this record — through an Ask answer, the same folder, or indexed similarity. Not a claim they are about the same event.

NYC-WTC_000121462 · Box DEP Box 48

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

Similar indexed content

Compare copies and versions →