MEMORANDUM TO: The File FROM: Barbara West DATE: February 11, 1987 RE: Summary of the Deposition of W.

14 Toxic MaterialiNews January 9, 1980 SUBJECT TO PROTECTIVE ORDER.

LESSONS LEARNED FROM THE DIOXIN PROBLEM PRESENTATION RAMS OCTOBER 2, 1984 I spent a great deal of time over the last two years worrying and learning about dioxins.

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Enhanced Suppressor Cell Activity as a Mechanism of Immunosuppression by 2,3,7,8-Tetrachlorodibenzo-p-dioxin1 (41275) DAVID A.

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1 IN THE CIRCUIT COURT TWENTIETH JUDICIAL CIRCUIT OP ILLINOIS 2 ST.

jk* * MONSANTO COMPANY / ST.

..Irafhnto Mf.y .MUnCAtiON OAtC March 14, 1983 Dept, of Medicine & Environmental Health G.

G E N E R A L ^ ELECTRIC G ENERAL E LE C TR IC COM PANY FA IR FIE LD .

GH- 1267 Current Report Dioxin ONE DOSE OF TAINTED SOIL HARMS ANIMALS; INGESTION POSES HUMAN HAZARD, NTP REPORT SAYS RESEARCH TRIANGLE PARK, N.C. -- (By a BNA Staff Correspondent) -- Soil contaminated with 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) "presents a potential hazard to humans if ingested," based on the results of a study released by the National Toxicology Program.

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KP, U\i. y i *4 Porphyrinogens, Porphyrins, and the Porphyrias The porphyrias are consequences of impairment either in the formation of the porphyrinogens from porphobilinogen or in the transformation of the porphyrinogens to hem e.1 Such an impairment causes a pathologic accumulation of porphobilinogen or porphyrins (or both) in tissues and body fluids. ^ The manifestations of the porphyrias include jiiCtuiSnsitivity-of theSkin, persistent abdominal aching or pain, and neuropathy with widely variable expression that may affect the central, autonomic, and peripheral systems and include mental disturbance, motor dysfunction, and sensory loss.

1 IN THE CIRCUIT COURT OF THE TWENTIETH JUDICIAL CIRCUIT 2 ST.