Document rB3d9apn1y0q0qK46EgYv9QEv

of Wisconsin WISCONSIN STATE BOARD OF HEALTH INDUSTRIAL MYOICNK DIVISION rrATt owes builoins i out wiu rrairr MADISON 2 September 28, 1951 Mr. C. R. Mercer, Superintendent Alfona Plywood sad Veneer Coapany Algoaa, Viscontin Dear Mr. Merceri laelosed are two copies of the report of the laylo Dust Surrey seeds is your plast on Septaaber 5, 1951* The highest dust count, 14.4 alllion particles per cubic foot of air, v&s found at the feed end of the Mattlion say. It is possible to reduce the dust concentratiorKet this' point by providing an additional hood or replacing )the present hood with a longer one which would capture the dusy particles presently being thrown toward the feed end by the'rotating saw blade. If we can be of any further help to you, please feel free to call upon us. j^iaie of JSigrnnsin WISCONSIN STATE BOARD OF HEALTH INDUSTRIAL HYGICNC DIVISION tts einet iuildin* *Mt miNa mu* MADISON 1 LITLO POET Flaati ilguoa Pl^vood tad Ttassr Coapisr iMitiesi llgasa, ?1aeonsin fists rf fcmyi Sopteshar 3, 1951 Officials Goatsclodi Hr* 0. 2. Maroer, Superintendent Mrs. Gertrude C. Brloc, Plant lures This routine dust study of the Eajlo operations wi and# at ths request of Mrs. Briee. 1 total of errsi staples vsrs eoUsctod at various locatioBS using sliest lap lager*. Ths dust eounts of ths aeaplst vsrs aads by a light flald mieroseoplo tseh&lqus. Ths results of ths sanples art givw la ths follovlai tablei I1TLQ WST COUHTS Saapls We.____________________ Inscription Millloo Partiel Per Coble Foot ef Air 1 Drum aaader, feed and 2. firua aasdsr, discharge sad 3 Crssolss uv, feed sad 3.3 4.1 7.2 4 Qrssalss sav, discharge sad 5.4 5 Mattlsoa sav, feed and 4 Mattlaan sav, discharge end 7 Slagle out off sav 14.4 5.5 2.9 In ths letter of transalttal that aeeoepaalsd ths report of a sinilar dust study Bads es August . 2# 1949, It was stated that ths allowable eoa- osatratloB for Xaylo dost vas probably hstvssa 5 to 20 sillies particles per cubis feet of air. Saapla /$ taksa at the fosd and of tha Mattlsoa sav, shoved a dust eouat of 14.4 Billion particles per eubie foot of air. Tharaforo, it la raeaneaded that a hood he Installed to capture ths dust particles generatod by this sav. This heed Should ho la addltloa to the hood already os tha sav. $*}7i. ai'. .. i *r %.A L- U . V Jr \ k viatie auction rtedlaf ef 4*4 laches vater vi takes ea tbe exhaust duet ef tbe pretest heed* This reading iadluUi e Ttloci^r ef 6,000 feet per aisute is the duet ehleh toeuld he euffleient to eeorej the duet prerldiaf the heed ie ee deepened to capture the duet purtielee that art projected late the air hj thle eav* zncsTBiiL vxgidtc cinsioi VRTraJk 9/23/51 Valter I. Foppe, Jr. toflaeer Xdvard J* Ottardea tofinter erv\ I October 31, 1951 The State of Wisconsin Wisconsin State Board of Health Industrial Ryflene Division State Office Ruildinf 1 West Wilson Street Xadlson 2, Wisconsin Attention Hr. Wllllaa L. Leaf Pb.D. Director! Dear Mr. Leei Thank you for the Kaylo. Dust Surrey report submitted with your letter dated September 28th. The dust collected on the Kattlson saw as covered by sample *5 is belnf revised so that the dust coynt et this location will be lowered considerably. When.we are ready for another test we will let you know. Tours truly. CRKtah Gertrude Brice Jhhn Laurent Cordon H. Kercer Superintendent i