Environmental assessment request letter, February 2002

NYC 9/11 Public Portal Document

02/20/2002 09:16 FAX Qi 042 JLC ENVIRONMENTAL CONSULTANTS, INC. 200 Park Avenue South, Suite 1001, New York, New York 10003 Phone: (212) 4204119 Fart: (212) 420-6092

The Renaissance Project No.: 01-2225 do Insignia Residential Group, Inc. FLAP l.ab Code; 11029 Analyte: FIBERS 100 John Street NIOSH and AIHA Lab Code: 100273 Date Received; 12161200 New York, NY 10038 NVLAP I.ab Cole: 101953 Date Analyzed: 12/6/200 SUMMARY OF ANALYTICAL RESULTS - PCM Batch sir 0112A949 Site: 100 John S6heet New York NY

SAMPLE # COLLECTED DESCRIPT ION i LOCATION LAB # TIME(min) VOLUME(L) FIB/FIELD ItESUL7S(R00)

007 Ambient in Door/ PCM Front ApL[. Pil._. 24th 05-December Floor 270 2235.60 7/100 ~p-j A 9637

008 Ambient In Door/ PCM Front Apt. L P11 05-December ---------- --- ---------- 256 2118.68 6/100 0 001 A 9638

009 FIELD BLANK 05-December 0/100 A 9839

010 FIELD BLANK 08-December 0/100 A 9640

Sample Analysis by: <LOD = Less than limit of detection which is 5.5 Fibers/ 100 Fields Positive Phase Contrast Microscopy (PCM) VOID1 = H.C.P. ( High Concentration of Particles) VOIO2 = Overloaded Method Of Samnia Precaratlon and Analysis' All samples analyzed In accordance with the NIOSH 7400 Method using A- Counting Rules. Issue 2. August 1994 Instrumentation: ~,. L t. Z•, r — Olympus PCM Model BH-2 with Walton-Beckett Gratieule (100um field ' m 8 diameter), Laboratory Director Report Date: December 10, 2001 JLC is responsible for only the fiber counts within the M,itations of the method gives only an Index of airborne fibers and provides only an estimate of asbestosdescribed as NIOSH 7400. Among other out of JL this meth llmftntjons, these samples are limi~d In recov®ry to ttu3 cost of analyzing Sampl s. JLC roncentratlon. Any and all claims ne the above. accepts no other Hab8y arut tite client agrees to SeakCrro cacsts~b Page 6 of 8 yZ

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