Document N05BRKvMbNwwGpz6jw1Mxe8w

Sunday. July 12. 1970 THE MILWAUKEE JOURNAL e.cacij J-'gvnlz J Ji A -w> .'ecocide Tests Journal Madison Bureau Although I h r y are 1-cl'ty many fish In ihr Milwaukee nO'.rd (o rcn. but this had Mndlvm, Wlx, - PCB'x ~- similar to mvt. rnilvig is Pern v.-'inid ikm pns*-.. iron inffnitnierf by /to rrttrf pIvMiciring agents railed polv nV-nut ihrir rfirri r.n 1 vi**:ly Varies genty in'Tsitgation of mrrniry rhlnrlnmed biphenyl* -- nrf funking life tough for male re searcher* trying to measure pesticides in t h c Mississippi and other major rivers. i There arc morn PCB's in the jGreat Lakes than DOT. at votci- ls Paul L. Drj:ui.*C. re* starch chemist for the Satur-l hunm's nod tun much aMut ilm .'f.'Cl on 1'ivh. rif*I l . lilirp rf ihe M *h p-'siifirlr lahoratovv 'Ihere is little <luht that it Columbia. Ml., reports tint they are *.vid<*->:*tr-r.<,rt in wn'ns of lake Michigan mho of meas. especially salmon exummrd, M con- nrtnmd pv.v*r p'lri*.. I'oinctl PCn. along wnh .If of 1'Ch`s make U almost impo*. ,;>2 chubs and 2$ of :*fi lake sihle to check for DDT type trout. Resources D. purtment. And in p:<*u:irs in lh* areas hi* I According to S'lllinp, there ; iinle walro-s. I > e said hts studies made h 'nsonably dear that n .^isnift- cam part of DDT repot tod in V. i i-onsin f-.sh actually -n PC U compounds, lie r,-uly reported tlu ihe Wrva'.cn rf<.'i<*idy Aibnory Coimui, of wh'; h he i* it ntfmbrr pe Misnissstppl. he said, ch)o.-> t; ;.*c PCD impulses mask nut ;\vcrc 200 variations of PCS. `itflted hydrocarbon pcsticicJt s ir.o/e of the pesticides in read* iand their toxicity to fish rtp* auch it DDT arc insigiimcani ir.ga made with a j;:t chroma ipeared to vary with re in relation to PCF's. tograph. |.lltiOttnt of chlorine in the >-a- Dcflurfc end Prof. G. Trtd Lee points out that If the : ter. * Lae, University of Wisconsin Food and Drue AdtT.nv'ntion { Stalling Mid about lOO.f'OO water chemist, applied out dtcid'.d to put a limit on . T* tons of PCB wm m-inutec* ihrc-t key facts about PCb'st in fish jut as it has on Wi /red a year. They do not oxi* - easily, be said, and per* J; ,`S d > rot degrade. And, Lee i. % ) !\c he::i ar'vr.d vv" tht; r-.'O?,, longer tiian DDT. , Print.;1' .'CP's used arc reg* jhtr:*d by Monsanto Chemical C.n. i' Arofiors. The most used arc Aiorlnr 12-tS ;r'ri I I'M ir- les-iv-cifors ofheni {rainier sys ilfiv-. in ei'ctrimt transform- jets: l.?M and IL'UO as pla-iidz- in;: in ww*e rubber*- and eatilking materials, and 1242 and I-MS in hydraulic fluids. More Tes Planned The Columbia laboratory has begun tests with lake tmiri, rhnonet ratfish and blur* gills in relation to thyroid ar* livity. liver enzyme induction and calcium metabolism. DOT research indicates that it induces enzymes that d i s* rttpl the c?i laying process of lish eating birds. Tests Interrupted Degurse said tlwi. 12 to 14 parts per million of materials like PCD have been found ir Lake Michigan, lie added. "We can't say If they are Aroclors. but tliey me ehloi imilcd and do have cm bon ringr. on the order of DDT." Mo said the Mnir laboratory also planned to sol up some trsls "to see wbnl hr pul.t.r. health of ft it i; It...*'* wjt.'.i ex- MOr HONS 031480