Notice of Hearing on the Application to Use Sodium Fluoroacetate ...

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that a chi la 7;;;Snr :var,i?r jqr-3 a ?aszure, fino a ?urc:ur?d 3r iz:;ti 29
collar, get :he toxic soiuxion on his hands and then int3 his nzuth.
\hi 1e his possibi 1 ity cannot be ruled cut, it is highly ~ ni l kely.
Mr. Connolly recosnized that lost collars would eventaally deteriorate,
a1 lowing the :oxicant co enter the soi 1 where ir would be detoxjfied
by bactsrial actisn . The time required for detoxification ,vou! d vary
with he amount <strong>of</strong> toxi cant, soi 1 type, temperat~rz, zsc. , jut studies
1 hP summarized in Aczert, wer? to che effect degradation :f Conpo~ind iudO
in soil required from 0 to 11 rreeks. In sen tests with eigh~ c3l lared
lambs using dye rather than Compound 1080 in The ca?:ars, scread <strong>of</strong>
the dye afxr the co?lars Nere punc~ured by ccyot2s varied be~~een
12 sq. it. to 300 jq. fr,. d'th the aversge being i38 jc. f:. Sc;.=,.-. -L "A
<strong>of</strong> the dye depended an whether :he lamb 'r/as dcwn or inoving a: :he
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time xhe cgllar was puncturad, Ix was estimatsd tha: an 2v2n
distribution <strong>of</strong> Compound 1080 over rne average dyed ar2a <strong>of</strong> 138 ss.
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it. wouid resuit in conczntration <strong>of</strong> 2.2 ag per sq. ft. ;ne proszecc
that such a low conc2n~ration would causz serious envi ronnencai damage
was considered remote and no such damage was obszrved in iieid tssti.
In initial tzsts with the collars in Idaho, some <strong>of</strong> the collars lsaked
and six collared lambs died. Although Mr. Connoily initially thought
the lambs had absorbed the toxicant through the skin, he subs2quentiy
concluded that the 1080 solution dripped into their mouths and that
the mode <strong>of</strong> ingestion was oral.
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