Document gZZL16XwOk6ODVN5yw4mx9EV

Auguat 1$, 1969 Nr. Harold Stralghtwell Oreat Lakaa Staal Dirlalon Taeumaah Hoad Booraa, Mlohigan 48229 Daar Mr. Stralghtwell! Oeorge Pagua has aakad to forward tha anoloaad atatement ooneemlng tha toaclolty and aafa handling of our flra raalatant hjrdraullo fluid, Pydraul 312. Baaad on anlaal toxloitjr data, aanufaoturlng experlanea and usa axparlanoa we believe that If a uaar haa developed aatlafaotorjr praeautlona neoeaaary for phoaphata aatar flulda, thara ahould ba llttla dlffloultjr In obeervlng tha raooanandad praeautlona for pjrdraul 312. Nr. Fagua lndloatad that you had reeelved Information that Pydraul 312 ulll kill tha narlna Ufa In rivera and atraaaa In oonoantratlona aa low aa 1 ppn. Z would ba lntaraatad In learning of thla aouroa of Information. Although wa have not oondueted flah toxlolty atudlaa with Pydraul 312, wa do have a liter ature reference whloh Indioatea that 5 ppn of tha chlorinated hydrocarbon ooaponenta of Pydraul 312 had no affaet on trout and blueglll. Vary truly youra. BPWtJu o.o. 0. P. Pagua W. R. Rlohard Blaer P. Wheeler Manager, tnvlronnantal Health HONS 090971