80 JOHN STREET; Block: 68 Lot: 33 BIN: 1001115 19-25 Gold Street, 25-27 Platt Street

NYC 9/11 Public Portal Document

TS, INC. '.0 ENVIRONMENTAL CONSULTNe._... ork 10003 'ark Avenue South, Suite 1001, New York, Phone: (212) 420-8119 Fax: (212) 420-6092 Project No.: 01-2171 Analyte: FIBERS ELAP Lab Code: 11029 WSA Management Date Received: 10/29/01 NIOSH and AIHA Lab Code: 100273 100 Ring Road West NVLAIt Lab Code: 101953 Date Analyzed: 10/29/01 Garden City, NY 11530 Batch M 0110AB30 SUMMARY OF ANALYTICAL RESULTS Site: 80 John Street, New York, NY

SAMPLE # TIME(min) VOLUME(L) FIB/FIELD RESULTS(f/cc) COLLECTED DESCRIPTION I LOCATION LAB #

120 1803 5/100 0.001<LOD 001 Ambient! Apt. ._._PII_ outh/ Near Entrance to 26-October Bedroom Near Closet A 8408

120 1803 6/100 0.002 002 Ambient] Apt P11 _;forth East Room/ In the 26-October Middle (Column) A 8409

._ 120 1803 5/100 0.001<LOD 003 Ambient] Aptti------:_:= Pii_._._ ----pllway/ Elevator 26-October Hallway on South Side (East Wall) A 8410

120 1803 4/100 0.001<LOD 004 Ambient] Apt! P11 allway/ Elevator 26-October Hallway on North Side'-(East Wall) A 8411

120 1803 7/100 0.002 005 Ambient! Apt. _ _ P11 _ ~Pt P11 West Side 26-October Bedroom/ N-Wear Closet ._._._._._.. A 8412

120 1803 6/100 0.002 006 Ambient! Apt. _ _ _ __P11_ _ _ _ _ _< < P11 East Side 26-October Bedroom/ North West Near D00( A 8413

<LOD = Less than limit of detection which is 5.5 Fibers/ 100 Fields Sample Analysis by: VOID1 = H.C.P. ( High Concentration of Particles) Positive Phase Contrast Microscopy (PCM) VOID2 = Overloaded

Method of Sample Preparation and Analysis', Method using "A" Counting Rules. Issue 2, August 1994 All samples analyzed in accordance with the NIOSH 7400 A ~~ w hn al OVA 1 1^ v` V' Instrumentation: m'y Lrfi > a PCM Model BH-2 with Walton-Beckett Graticule (100um field diameter). Laboratory Director Olympus

Report Date: October 30, 2001 limitations, this meth limitations of the method described as NIOSH 7400. Among other JLC is responsible for only the fiber counts within the concentration. Any and all claims arising out of JLC's analyst estimate of asbestos gives only an index of airborne fibers and provides only an accepts no other liability and the client agrees to seek no costs b cost of analyzing samples. JLC these samples are limited In recovery to the the above. Page 1 of 2

NYC-WTC 000108646