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Herbicides Used in Port Coquitlam 2arks and School Grounds:

Of the herbicides listed on Mr. Hoogendoorn's list, June 1981,
Committee forwards the following data:

Hyvar £L (Promacil), used on dykes specifically to spray for thistles:

Or. Ruth Shearer reports that Bromacil (Hyvar £L) is long-lasting

oes not adhere to soil, and leeches badly, causing the Committee.
some concern about run- off from the dykes into the salmon-
bearing Pitt River.

Indeed the increasing use of pesticides in our goclaty and t
run-off into fresh-water streams and rivers, used at some ti
by salmon, might explain in sart our dwindling salmon populati

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on,

The sJater Quality Unit of the Department of Fisheries, Uabditat
Frotection oranch | expressed some concern when we notified them
that Bromacil (Hyvar XL) was being used on our dykes and said
they would let us know when they had found out more about the
compound.

Bromacil (Hyvar XL) is presently under full review of all
data by the J.5. Snvironmental Protection Branch.

Dr. Shearer reports that one cancer test done by the manufacturer
in 1975 used only + of the dose that should have been used
in testing

Limited testing does indicate, however, thyroid hyper plazsia
(overgrowth, that could be pre-malignant) and benim srowth
that could be an intermediate step to carcinoma (malignant
Zrowth).

2) Grammoxone (Paraquat) (Weed Rite): (no known antidote)

art

Dr. Ruth Shearer, claiming she has "reems and reems of stufi
on Paraquat declares it "a disaster to lungs of animals,”
causing “severe lung damage."

In Poxicologsy and Pharmacology, volume 33, pages 450 to 450,
authors Bus et ai. state in 1975 that Paraquat toxicity is
"marked by progressively lethal pulmonary fibrosis and endema."

Dr. Shearer cited the "delayed effect" of Paraquat, stating that
"a single exposure keeps progressing a weak later."

in a@ report from the Department of Medicine, St.
Hamilton, Ontario, dated 1978, (Attachment P),
report: