December 27, 1943 Dr* Charles H.

< Industrial Hygiene Digest INDUSTRIAL HEALTH NEWS LITERATURE ABSTRACTS MEDICAL ENGINEERING CHEMICAL TOXICOLOGICAL LEGAL - - - decision* ud trmnd* AUGUST, 1949 (Vol. 13, No. 8) INDUSTRIAL HYGIENE FOUNDATION 00 FIFTH AVENUE PITTSBURGH 13.

The Saranac Laboratory FOR THE STUDY OF TUBERCULOSIS OF THE EDWARD L.

CROSSING GUAM SETS Stock ABB Class Set No.

360 INDUSTRIAL HYGIENE AND OCCUPATIONAL MEDICINE The sizes of the particles are given throughout as equivalent impaction diameters (imp. eq.), these being the diameters multiplied by the square root of the specific gravity of the material.4 5 Estimates of their sizes were made in one or more of the following ways: (1) polarization of scattered light,58 (2) the pattern of the colors produced when white light was passed through a cloud of particles,5b (3) "impaction"6 7and (4) microscopic observations.

508 INDUSTRIAL HYGIENE AND OCCUPATIONAL MEDICINE of the dust to be picked up in bursts rather than in a smooth, continuous fashion.7 It also prevented "caking" on the walls surrounding the Venturi jet.

SJOBERG--VANADIUM PENTOXIDE-HEALTH HAZARDS 635 Respiratory Tract.

110 ASBESTOS EXPOSURE-SELIKOFF ET AL Table 5.

1 16th, 1941, addressed to Mr.

1 may have come to your attention in the 1940s?

1 Okay.

FLIEKiCO and INSTALLATION DATA Issued by Plibrieo Jointless Firebrick Co^ Chicago, III.

..e Kaylo Oc.t. 10, 1947 Memo to: Dr.

NEG.NO.

(3) COPY Motropolitnn Lifo Ins.