1028 CHAPTER 48 1952 Guide' Fig. 9.

/' 58 CHAPTER 3 1953 Guide ' 20,270 - A, 0.003164 - W, 1 Aj - 0.668 ~ W, - 0.000630 " 4 from which As = 16.350 and W. = *0.002657.

376 CHAPTER IS 1953 Guide Secondary air is drawn into gas appliances by natural draft.'

424 Chapter 17: .

464 CHAPTER 20 1953 Guide- `Table 2.

528 CHAPTER 22 1953 Guide' the longest supply and longest return piping.

534 CHAPTER 22 : 1953 Guide Fiq. 13.

f\ - 1--* t A * IVAN SABOURIN , Q.C.

bci Hr. 7.

K `4 ~P Industrial Hygiene Digest INDUSTRIAL HEALTH NEWS LITERATURE ABSTRACTS MEDICAL ENGINEERING CHEMICAL ' ARMY (f medical i JAN 211952 \UBRARY TOXICOLOGICAL X r LEGAL-.

.

For Information Only - Not for Publication THE PROJECT ON CARCINOGENICITY PROPOSED EPIDEMIOLOGICAL STUDIES Objectives Possible Approaches Implementation Preliminary Outline for The Subcommittee on Carcinogenicity of the API Medical Advisory Committee March 2$, 1950 EB 001964 SC-API-2040 OBJECTIVES I, To determine as accurately as possible, the prevalence and Incidence rates of retrograde, hypertrophic, anid/or neoplastic responses In man following various degrees of exposure during production, processing, transportation and consumption to:A. petroleum products obtained by catalytic cracking processes.

Technical Committee Report (eptember 11, 1953 age 2 PLAINTIFF'S EXHIBIT carrying on a series of round-robin\,cJA.eck tests Similar cloth samples are being subjugated to the same temperatures by each member of the committee, and although the results are not identical, the resulting trends are similar. 2.

JH Reprinted from the A.

Air Hygiene Committee lieeting Page 2 6tudy is estimated at 017,500*00 including travol and out-of-pocket expenses.