HVAC consulting services invoice, NYC WTC site, 2003

NYC 9/11 Public Portal Document

Location--; . r ati t, E u 1Of1 23 ` c~ ic~l ro n c cdeam~c Y N Y thy etotnd c1:e Systen Csmponen Y [NOTE: fd comg c resent (N?)' net fow d C' Dusk WTC tns~cate in lag omennj 't F) or inaccessible + not prea.n_t (1) l~~ febrb Dat praasat? pry + not f

Accessible for inspec 7 — louvers, d rr a s de 4 a e ms s) Exhanst !an unit;

Dosing acoug ,.al wan collars

Exhaust air ducts in gam ' type (curie}: -----1~ No' 100WONS insPec' -- Z

— AMeSSiNe is-fie fire Est t ceas~tDle titrmng qil~---- _ IVo. loc~3ious iruspt d _ Fs1~ LofsR qty . d Exhau a:r N lac8icns inspected" Qther (spec#); ~ Eat totm ° ' No lacadc luspem N a

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GengTai Mpr'esSion alQdllcr: {' a~eeo~ en for Cl4athig based No Wrc on find₹ng of WTC dust) ~{~ AT T)UT Us T W" Ot35 E~+t^- V~3) IN T.HE VENTS ,a%,4„ 17,5 ~~CHA/V►C A .sS c ,j i tt -b uc • CL~A1\l N IS ~or'~ WTC 'Rd LATen -~v-s'1'.

ZY: NP not present; NN' a= not foud; ~. as iaaecess# U anla;o

NYC-WTC 000135383