\ UNITED STATES OF AMERICA BEFORE THE FEDERAL TRADE COMMISSION In the Matter of Docket No. 5253 Na t io n a l Lead Co mp a n y , a corporation, et al.

'' \ 'j s MINUTES r ' NATIONAL PAINT, VAPNISK AND LACQUER ASSOCIATION INC.

UNITED STATES DISTRICT COURT EASTERN DISTRICT OF MISSOURI - EASTERN DIVISION x VOLUME I WILLIAM R.

1930s -- Chloracne, a dermatitis characterized by blackheads similar to teen-age acne but often more severe, was noted among workers dealing with chlorinated aromatic hydrocarbons (chloracnegens). 1941 -- 2,4-D and 2,4,5-T first synthesized, 1944 -- 2,4-D and 2,4,5-T reported as herbicides and marketed by Amchem Products. 1947 -- Effectiveness of 2,4,5-T and derivatives against woody plants resistant to 2,4-D established by Dow, 1948 -- 2,4,5-T registered for control of weeds on rangelands, fence rows and rights of way, 1949 Explosion in Monsanto's 2,4,5-trichlorophenol (TCP) unit at Nitro, W.Va. exposed 250 workers to reaction mass causing 122 cases of chloracne, some very severe.

IN THE CIRCUIT COURT TWENTIETH JUDICIAL CIRCUIT OF ILLINOIS ST.

Oetobar 11, 1937, ^Ixparlaantal work In aalaala ahowa that prolonged axpoauro to Aroolor vapor* *- I volvad at high toaperaturea or by ropaatad oral lagoatloa *111 load to ayataalo toxlo affaato. . hopaatad bodily oontaot with tho llqald ri Aroolora nay load to an nano-fora akin araptlen.

MORPHOLOGICAL AND BIOCHEMICAL CHANGES IN THE LIVER OF RATS FED POLYCHLORINATED BIPHENYLS J.

THE JOURNAL OF INDUSTRIAL HYGIENE AND TOXICOLOGY Volume 20 FEBRUARY, 1938 Number 2 MORPHOLOGICAL CHANGES IN THE LIVERS OF RATS RESULTING FROM EXPOSURE TO CERTAIN CHLORINATED HYDROCARBONS * Granville A.

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CSCAM8IA PLANT INTEROFFICE MEMORANDUM To: Distribution From: L.

-S*iP papers.

PUMP MAINTENANCE T o m k* os, .

Maro h 9 , 1937 lir , 3 .

r1 Z-tif % I April 22, 1935, Mr. 7i.

Samples of* well water from Daisy Georgia.