Document 5kvqRDqzEBymrDYedq9O62NMR
fieiiiical
' By Peier T. Chew ,
!
PMUI tVASIUNiiTOX, D.C. nr year*. ecologist* Imre been wornbig about the dangers of PCD. a DDTIlka industrial cbemlaal that haa had toxic cfMbtb on rrttdUfe and lest animals. Mnn. [ aonuOa.. the aole U.8. manufacturer of pea. met year voluntarily limited the ehemtenl's uaea. But Inet week It wna dlseMed that mllllona of chlckena poaalbly tainted with the chemical hare been mar keted In It Boatern end Southern atatea In recent weeka.
Oovemmcnt offlclala lay the amount of PCB In the chlckena waa not beyond acceptable leveta. Nevertheless, that Inci dent oould lead to further rettrlctione on the uee of the chemical. Rep. William P. Rrnn. Mew York Democrat, loot week in troduced lenlalatlon that would ban. all monufacturouaiiae of PCB in utouniud (utte.
'' Nearly 30.C0a.000 chickens go to retail' l outlets in the 10 states every month. It Is 1
not known how ninny chickens shipped : after April 30 may have been tainted with
PCD. The Agriculture Department, which < hno been carrying, on extensive testing of-
blrda shipped to market In the 10 states since July 33, reports that none or those -
tested have contained unacceptably high
lovnli of PCB.
..
PCS u shorthand for polychlorinated
t biphenyl, a family of chcmleat substances
discovered In the Into ltoos. In the early
11130s, Swann Chemical Co., which was
I later taken over, by Monsanto, began do-
vcloptng valuable .nuuituinl uses lor
PCD*. They have served oe ingredients In
corroston-rcslstant paints. Industrial ad-
heslves, rubbarlike sealants, and as dl
, slsetrie (Insulating) fluids.
-.
> The chemical structure of PCB Is aim-
The lateat and moat aertoua ctae of
TCI contamination waa dlacovered In mid-July after Kelly Parma Induatrtet of
WUkaahoro, N.C., one of the world'a larg-
aet oammerelal poultry producer*, no : liar to uuit of DDT, the powerful, long haled as vapors, and the more heavily
ticed that the hatehablllty of 1U chicken ' lived IneeeUcldc. Doth ere among the chlorinated components ham greater ten-
egp ** dlmtalahlna alarmtnfly. Bird* '. group of chlorinated hydrocarbons that lclty. No tolsrance limits ham besn sei
Mae aeretal of the company'* flocka enter the feed chain and sftect, among tor human-food supplied, and their eta-
. wan tasted, and their flash was found to domain PCB residua* as high a* 20 part*
other things, birds' reproducuve eyeles. cer-eauelng properties remain to be de In IMS, * Swedish biologist named termined."
par adman. The lerel decreed by the Afrtoulturs Department sc acceptable for
Soren Jensen discovered PCB residues In flan, slid later In wild birds. Three years
Heeding ecologists such aa Dr.. Rlae-
aanmaapaon is I parts par million.
, later. Robert W. Rlsebrough, a marina
I, KaOy Parma Immediately tltuthtered and burled nearly ad,000 chlckena, and ' mu u--wi headouarteri In St. . Loula. The. offendliigFCBquickly waa r. Inaad to a Monsanto cuatcmar--cast
I0, la Wilmington, N.O.
"an Wah'inoal insradlanta of chloken read under an arrangement with south Pacific fteidi Co. of Darltn, Conn., a Holly Parmi supplier. East Coast Terminal abut
' down rdtuntnyy on July IS, and an in-
biologist with me University of CtUfomlt
it Berkeley discovered PCB In the pere
grine falcon. .
..
Scientists any that the set is the most susceptible environment far PCB. The *ub' stance makes Its way there through drainapt snhne, spillages, end the like. It . eaten flab, which are aattn by sss birds,
i ' PCB also makes -Its way into the at* j mosphert through the Incineration of the . numerous plastic materials that are coat - ad with tha substance. Burning PCB-eoat-
~~^.thiuihynm*ac x.-.iu llmlngten. N.fST. ftsh-maaiplspn
Monaanto~has*trmied~*that mi chamical can easily be eontrelled In such cas ed system*. But, contends congrtssn-.se JUMP. the accident in '""-`-g'-7" l. , that tha ehenfleu is unsafe la any csxjt. Mr. Ryan alio criUdOatht Apiculture , Deportment and the FDA for no: revealing details at tha chicken contamination uatli. July a. one week after-the accident waa discovered, and for their downplaying taK
mUggnon wnq begun by the Agrloultura ed plastic at low temperatures releases Department and tho Pood and Drug Ad- . ! It la the farm of particles that make their
possible danger te consumers. The af fair. eald an angry Mr. Ryu, "trotfsiS- ,
Watmtlqn (PDAI.
Ihway skyward tad return to the earth In ly Uluatretaa the failure of the Federal I
Ooramment investigator* dlaaorarad '...lain.
.. ' Oovtrnment to take preveaflrt sown I
j< that POE fluid had lathed from a heat-
Dr.JUsefuiouBh hu reported'that tho against ths unconscionable use eg thfa|
` unit at n darlaa employed tty PCB* "ora highly tenia, to man warn In deadly ehamlenl.'*
- ,'
._______ j the dah maal uafum It la
ndaad with other lngraditnta that main
. up ehlehen fend. Tho pasteurisation is !
undarlahnn to rid Urn fish mttl of sal
; aMMBn, n typo of beotorta thus eauaan mi pmanlns,
Xtll. National Obaervar
_ aarammant officials bellare that tho |> POE may ham startan Inking Into the I flatvenocl rats about April id. and can-'
thtuod leaking for. to weeks. During this
Urns, tho punt turned out ia.ooo tons of
Mi moil, and by July It bed shipped Y.IUtt tons to (forth Carolina. Georgia. -
Alahomo. florid*, Delaware. Tennessee. ' Xencurky, Virginia, loutti CaraUns, end Mississippi, to far, l.oeo tans have been toeeUed ant another 1,000 ton* la expeeled to he relumed to the company.
:Ah*. 2, 1971- ,'
MONS 033570