Part VI of our veterans’ exposure to herbicides during the
Vietnam War
STUDIES CONTRADICTORY AND CONFUSING
By 1983, the results of studies of Agent Orange and dioxin
exposure began to trickle in. They were, for the most part, contradictory and
confusing. A series of studies conducted between 1974 and 1983 by Dr. Lennart
Hardell, the so called Swedish studies, showed a link between exposure to Agent
Orange and soft tissue sarcomas and non-Hodgkin's lymphoma. And in July 1983,
the US Department of Health and Human Services (HHS) released a report citing
"an association" between dioxin exposure and incidence of soft tissue
sarcoma. ‘
TEST RESULTS CONTINUE TO BE MIXED
Results of Agent Orange tests continued to be mixed. The
results varied greatly, depending on who was doing the testing. In December, 1985, the Air Force released the
third of its Operation Ranch Hand studies. It confirmed the other two: that
there was no evidence that Agent Orange had any adverse affects on those who
handled it during the war. "At this
time, there is no evidence of increased mortality as a result of herbicide
exposure among individuals who performed the Ranch Hand spray operation in Southeast Asia," the Air Force concluded.
After seven years
of study, the CDC had made no progress on one of the most important and highly
publicized issues of the war in Vietnam. In charge of the CDC study was Dr. Vernon
Houk, director of the agency's Center for Environmental Health and Injury
Control. The White House's Agent Orange Working Group was supposed to supervise
the CDC study while the Pentagon's Environmental Support Group was charged with
providing the CDC with records of Agent Orange spraying and troop deployment.
Houk's CDC team complained throughout the study that those records were too
spotty to make a scientific study of the effects of Agent Orange on soldiers.
Not so, said the
Pentagon. Richard Christian, head of the Pentagon's Environmental Support
Group, testified before Congress in mid 1986 that the records of troop
movements and spraying were more than adequate for a scientific study. Christian's testimony was bolstered by two
other sources. Retired Army Maj. Gen. John Murray had been asked by Defense
Secretary Casper Weinberger in early 1986 to undertake a study to determine if
Pentagon records were adequate for purposes of the study. After four months, Murray also determined
that the records for a comprehensive study of Agent Orange were more than
adequate.
Paul Sutton
Veteran Advocate
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