Document zdmy6BYmLak4zE6vMGGn2jyZB

37672 FROM GEORGE H. FARRAH NET KENSINGTON March 13, 1967 \ ft ir >~> INDUSTRIAL HYGIENE LABORATORY ACTIVITIES Feb. 27 - Mar. 10, 1957 Items Concerning Alcoa Plants '-'J J :/ " ' , i- J A '! ,' (t a. We have received .nine air samples for CdO analysis from Cleveland. These were collected during Cd 9 Alloy production. ~'A J f \\ y<-i- b. In reply to J. C. Vergho's request for methods of sampling and analyzing \ .. air contaminants, a method for sulfur dioxide was sent to him. He was ^ r,, /> also advised of a Public Health Service booklet "Selected Methods for it the Measurement of Air Pollutants" and invited to contact us if he j * V'Vc V Vi - . * . ' * > '* 1, should encounter any specific problems. c. Eleven urine samples were received from Cressona for lead analysis. This represents their semi-annual sampling of those exposed to LD 564 lubricant. . d. Six urine samples were received from Vernon Works for lead analysis; a continuation of the LD 564 lubricant sampling program. e. Mr, H. Hittner, Pittsburgh office, inquired about results of the most recent dust samples at Rockdale Works, There was nothing recent in our file and he was referred to T. Bonney who had investigated the matter within the past few weeks, 2. Items Concerning ARL a. A letter has been written to Technicon Controls, Inc. in an effort to get information on their fluoride analyzer for possible use in the Intersociety Manual. ARCH 18409 J. Plunkett and I visited the Technicoh mobile air pollution laboratory ALCOAwhich was in operation during the Pittsburgh Analytical Conference last week. SF i3.RCV, U 3-4