Document LJz553oDDy6Lz6jY23odnwb15

07874 May 5, 1964 nr. m. guob qmt iBtarnatiooal Totting UboT*toxioa, 2nt 578-582 Haxkot Straot I--oik, lv Jmmy 07105 0tar Mr* Qoart Mb art In rtodpt of tha DArttng tad flaking Taat oa CAFCO w.ictflffTlgJ Typo D (mxttBptd), Toot Raport 281391. Mb wndr if, V arror, yoar oaoratoiy typad op tht tart from tht original BLA2MBZXLD taat, which diffarad slightly from thlt tart* Vt tharafbrt raqoaat tht follow ing efaaagas* Ca tht original ocnr, would joa kindly Indlcata "Htport of Taat on hitting and Flaking of CAICO BUZS-SEX2LS TIPS D FIBER (U*TAWE>) fr Cod ftta Aooostica and Flnapxooflng Cotpczqr diriaioo of ttaltad Stataa Mlatra! Mod Company, Stanbopa, Raw Jaxaay 07874*. Tht tltlo ptft of tht rtpert It aatiafhctoxy. Ia tht rtport paga wa auggaat tht following taxt*1 (Iota: Vt chaokad tht lapinging air wdoeity to bt shoot 860 ft* par dnuta; tha aptelata U bt awoadaatdy Vi laohtt thick tad hat a daotlty of 15*6 lbt par coble fbot.) SORJBCTj DotUag and Flaking Toot of CJIKO BUZWHXEU? Typo D Plbaj (untawpad). *MS90St A aotartttad ttaiplt of 16s ty 4* plantar board ooatad on oot aidt with a Vi lads oattli* of CAFCO BUZIUaiTTTM Typ appllad at a daotlty of 15*4 Iba* par cotta fbot waa aoant* to a dost 4* by 16* in tiDtaaotional am and 4 ft* long# w tha flbar ia tht laltxior tf tht feet* A narrow toot waa w to araata a high wdoaity* A flltar waa plaoad a tha blowar tod and a Waafc doth adlaotdng flltar plaaad o tha opaa and* Tht Manor waa atartad and allowtd to na fb a 1 hoar ahakadowa to moat feat aad fiakaa lootaaad hr ha ling* At thia tint, laidaging wdodty tad iaaotng rdooit vara chackart with aa aaaaooatar* / *7 5, 1%4 9 hss&ks* coxxssrovs Xapjnclnf Taladty oo filter* 060 ft. par nimt* Tiring 7l*oltgr! 270 ft. per xiast* ifter tha abafcedoon* the eolleetor filter u nar4 cleaned, aad nplatd* 1b* bloaer m atnrtod aad allowed to run for 24 hour*, it the and of tfcria period the ooVloetor flltor m* iMored cad the eolleeted partial** counted. i ooetrol blank mo tbmx run hr replying the CifCO trotted Mil board with a plain nil board aad going through the entire piooedar* again. Thor* von no rtoitlo partial** on tbo hbu it an air Inducing Talooitsr of 860 ft. par nlasta and . ioaring ralooity of 270 ft. par tdmt*f tha duet aad Oak* oollaotad at tha laetdag oallaetor filter la calculated to bo leas than 1 partlela par sq. ob. par 24 hooza. Air oration of tha CifCO BUZS-SHtELO Type 0 fiber (nstaapad) la negligible.* M/m