Document eveBknV5agVKdYpYoENaBVQ2q

CLAPO-iinl-1 Or. ::;-iY3im l u il d il g - .. ',-5; f L i.' -^7 2b, 1937 Circular Letter l.o. \i-20~l CCFx ?0H cl Au '20 ALL LIT 131 S3 .enen; >i~ &r3 a vised by tlie medical Department that they no longer desire you to exilect water bottom samples, as they have sufficient information iron those already collected. -Hierefore, will yon please re burn to then any unused jugs which you may have on hand. Several of our safe by men have been allowing refiners to talce their own sludge and. scale samples from the inside of storage tanks. I third: our safety men can talce these themselves in almost every case and this is the desirable way of handling it. In cases where two tanks are cleaned at different places at the same time, it may he possible to delegate this job to some refinery man, but this should only he done where you have confidence in the man that is to take the sands s and can explain to him how this work is handled. C-CL cc: dr. H.A. Kehoe Tery truly yours, J. C. Taylor joy KE 00226!5