Asbestos air sample report, 40 Rector St, Oct 2001

NYC 9/11 Public Portal Document

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ibun. 2001

40 RECTOR HOLDINGS. LLC c/o TANNGNSAUM HELPERN SYRACUSE & HIRSCHTRITT LLP 900 Third Avenue Nevi York. New York 10022-4775 Attn; Mr. Scott Furman

YiUJi 0 R! 'OR ST I6T, f c

Dear Mr. Funnsu: ATC Associates Inc, (AFC) is pleased to submit this summary report presenting the ssbestos air sample results for the first through nineteenth floors of 40 Rector Street. Between September 20 and 28, 2001, ATC collected five ambient air samples per floor, totaling 90 samples to ascertain the presence"or absence of airborne asbestos, within the subject facility. Ai samples collected were cnclyzcd in accordance with the AHERA Transmission Electron Microscopy (TEM) method as set forth at 40 CFR Part 763, Subpsrt E, Appendix A, Acceptable ambient air samples results are those sample sets meeting the AHERA re-occupancy requirement following an asbestos abatement action of an average of less than 70 asbestos structures per square millimeter (<70 s/mm®). Summa^ of Ambient Air Sample Results for 40 Rector Street Floor ______ Anajyticai Rose/ iFiucr ___ Analytical Result 1 No structurasjJstectgd______ 10 Ail samples <70 s/mm^ 2 All sampias <70 sZmm^ __ 11 Ail sarnples <70 s/mm* 3 Ail samples <7q sZmm'^ 12 All samples <70 s/mm^ 4 All samples <70 s/mm^______ 14 All samples <70 s/mm^ 5 Sample set average 23 s/mm^ 15 All samples <70 s/mm^ s All samples <70 s/rnm^ 15 No structures detected 7 AH samples <70 sZmm*______ All sampias <70 sZmm^ a Ail samples <7QsZmm^______ Zj19S All samples <70 s/rnm^ 9 All samples <70 s/mm^ All Samples <70 s/mm^

Based upon the analytical results within the AH ERA clearance requirement, it is ATC's opinion that the ambient air sampias ccHcctad throughout the building meet an acceptable criterion for re-occupancy. If you have sny questions or require addition"! sitplainsticn of the information presented please do not hesitate to call ms al 212-353-32eo ^incsrsly,

N’ed Burkhardt Senior Prejset Mansgsr .vrc Associates inc.

CONFIDENTIAL INSURANCE INFORMATION SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT^ 2008 CITY_21MC100_013507997 NYC-WTC_000174926