Document 2jgmVem5bDVR7DL10Nnaep9m5

February 16, 19^0 Mr. R. 0 . Murphy Dear Dicks I have con tacted Ur. Boulton Earn sh av, U n iver sit y o f Pernia. as r equ ested in your l e t t e r t o rsa o f Feb. 5 . Dr. Earnahaw i a th e puch asin g agen t and he turn ed me over t o Dr. D. 1, Bronk who i s th e r an t h at r equ est ed him t o purch ase th e TEL. Dr. Bronk i s in ch arge o f soma o f th e r e search lab o r at o r ie s and one o f th e r an under h ia* Dr. St even s, i s stu dyin g th e o ffs e t o f lead poison in g on an im als. Th eir st u d ie s have reach ed th e p oin t where th ey wish to produce cron ic lead poison in g in c a t s, r a t s or oth er sim ilar sm all an ii&als. They in ten d t o car r y out th e experim en ts in an e xiac t in g "fun s chamber8 about 6 1 x 6* x 6* with a area11 blower fo r in tr od u cin g th e load fumes and subsequen t v e n t ila t in g. The chamber i s con st r u ct ed o f plywood sid e s and bottom . The blower i s quite sm all, the cap acity could n ot be ft&rain ed but the d isch arge pipe i s on ly about 2* d ia* The d isch ar ge from th e ch eater i s a 1^-* pipe about 2 ^ u p from th e flo o r and le ad s up through th e r o o f. The e n t ir e chamber i s in a room about 9 1 x 12* x 9* h igh ,on th e top flo o r o f th e "Animal Bld g.* Kf 0009929 My su ggest ion s were s I . I f th ey wished t o u se t h is wooden chamber t h a t i t would have t o be dism an tled and destroyed a ft e r th e experim en ts were com pleted* Otherwise th e chamber sh ould be lin e d with t i n or sh eet n a t a l and a l l jo in t s so ld e r e d * 2* `Hie d isch ar ge from th e oh aaber be lowered t o th e flo o r and both i t and th e fan be in cr eased in siz e * In t h e ir ease I b eleiva th at the actu al capacity o f the blower w ill be determined somewhat by how im portan t the time element i s to them. J . The man con ductin g th e experim en ts ehouldnever en ter t h is chamber w ith out gaa mask and rubber glo v e s* 4 . Oas mask and rubber gloves muet be worn while h an dlin g th e flu id and in je c t in g i t in t o th e chamber. 3. I su ggested t h a t Dr. Xehoe might be ab le t o give them some valu ab le su ggest ion s fo r con ductin g t h e ir oxporim an ts. 6, I l e f t a copy o f our booklet on r u le s and regu lat io n s* marking th e sect io n coverin g h an dlin g the flu id in laboratories. X b alleve t h a t th ey un derstan d th e proper h an dlin g o f o f dangerous m t e r i a l s and w ill take no undue ch an ces 'with Tub. They were much In t e r e st e d in a l l I could t e l l them. I recommend t h at t h e ir order fo r T5L be f i l l e d . Very t r u ly you rs. u P .3 . - Dr. 3ron k*a o ffic e and lab o r at o r io s ar e in th e Maloney C lin ic , 25th and Spruce S t s *, P h ilad elp h ia. 0009930 February 16, 1$>40 Ur il* 0* Murphy Dear Dicks ,t I have con tacted Mr* Boulton Earnshaw, Un ivereity o f Pern * ae r equ ested in your l e t t e r t o as o f Feb* 5. Mr* Sarn ah aw i s t h e p u ch aain g a ge n t an d h t u r n ed a e o ve r t o Dr D 1 Bron k who io t h e m n t h a t r e q u e st e d him t o p u r ch ase t h e TEE. D r . Bron k i a i n ch ar ge o f bo b o f t h e r e - . sear ch la b o r a t o r ie s and one o f th e non un dor h ia , Dr. St e v e n s, i s stu d y in g tho e ffe c t o f lead p o iso n in g on an im als. Their st u d ie s have reach ed th e poin t where th ey wish to produce chr on ic load poison in g in c a t s, r a t a or oth er sim ilar sm all an idtals* They in ten d t o car r y out th e experim en ts in an e x i s t i n g "fume chamber11 about 6* x 6* x 6 ' with a email blower fo r in tr od u cin g th e load fu see and subsequen t v e n t ila t in g. The chamber i s con str u cted o f plywood sid e s and bottom* The blower io qu ite m a l l , t ie cap acit y could n ot be tfterminsd but th e d isch arge pipe i s on ly about 2* d ia . The d isch ar ge from th e chamber io a l * pipe about 2 *\ i p from th e flo o r and le ad s up through th e r o o f* The e n t ir e chamber ia in a room about 9 * x 12* x 9 ' h igh ,on th e top flo o r o f th e "Animal Bld g." My su ggest ion s wareI 1 I f th ey wished t o use t h ia wooden chamber t h a t i t would have t o be dism an tled and destr oyed a ft e r th e experim en t a were com pleted* Otherwise th e chamber should be lin ed with t i n or sh eet m etal and a l l jo in t s aoldered* 2 * The d isch ar ge from th e chamber be lowered t o th e flo o r and both i t and th e fan be in cr eased in s i r e . In th eir case I beleive t h at the actu al cap acity o f the blower w ill be determined somewhat by how im portan t th e time element l a to them* J . th e man con ductin g th e experim en ts sh oul drover en t er t h is chamber w ith out gas mask and rubber glo v e s* A. Gas mask and rubber gloves must be worn w h ile h an dlin g th e flu id and in je c t in g i t in t o th e chamber* 5* I su ggested t h a t Or* Xahoe migh t be able t o give then some valu able su ggest ion s fo r con ductin g t h e ir experim en ts. 6 . I l e f t a copy o f our booklet on r u le s and regu lat io n s* marking th e sect io n coverin g h an dlin g the flu id in laboratories* I b elieve t h at th ey un derstan d th e peeper h an dlin g o f o f dangerous m at e r ials and w ill take no undue ch an ces with TEL* They were much in t e r e st e d in a l l I could t e l l them. I recommend th at t h e ir order for fwL be f i l l e d * Very t r u ly youra* //a ,, 3 - Or. Bron k's o ffic e and lab o r at o r ie s ar e in th e Maloney l i n i c , 36th and Spruce St s** P h ilad elp h ia. K 0008932 o n>