Document ByBw8gRRxwJR6oxynYpKzLwzX

Noma met 16 1. Akb@* - Z!36454b W. awsle- zts-6"6 *wpwu - Nodical- Dofttar C. Ce Jftw- 22-%-68-Ok IL A. I&Pag* - 223-59-04 W.D . Poulme - 223-6"b P. D. CriMth @ 22D-22-02 V. C. O&tCbruic-k220-23-02 J. K. Sun - 22D-2X-o2 P. A. Vbel,N.D.- 220-29-M J. 2. VJMWM - C=ACAL SRWIALTT TTMION - EWATUR FNM scoa 0- Z. KIACE - MMICAL, IMICAL BIMMS S. D. 901MX= - NOICAL. rID. M. 1983 Demtiar Elmd Fluoride leftow - 220-22-02 220-2r-02 bmw J&nuu7 20. 1984 This Is lo oummlrise the results or the 1983 organic fluorine-in blood-mcnitoriagcooduct4Kas part or the continuing flocrockwidealstudy ;rag The concentrationor orgwdc fluorine In a person's blood is believeda ftnctico or the =Lgnitudeof past and currentexposure* and the rate of weration. Mmitoring of trendsor organic floorlm concentrationsIn the 'bloodcan provide informationan the =%aft of okpoomr*oW effectivenessof industrialrqgiem coatrals. ,be resultsof the blood smitaring for 29e2 and 1983 are comwed. ?be results are categorizedtr work area accordingto limu mbuitted br Opa C@Apbell. The --; rison Includesonly those amplo7em vW participated In 'both1982 and 1983. Those eqploywm who plnleijatod In 1982 but not In 1983 are not imluded. Seve7sl emplc7 vto pulticipatedin 2983 and in earlieryears, but wt In 19ft, are ,,- pl,e,d an separately. Sevetal emplc7a wwo Indicatedas barlag transferredto an*ther depLM i I muetime dwlvg the Lateriaof the tests. The@-r results vqmreccoqwod IA the original department to reduce omwiexlty. Mm qpplrevtslow*=ration =to Is believedto rv*m 11088lb2fhtim 10 9 very low SNOWL. ?"I* I Cogwas average07 CMDMotrations by 1962 and 1983. The tab2a &I= loci m the roxwe of OF concentrationsfound. The 2 alto lodleztoa owtioulag d"uvozd trend in oe&rlv all pro&aftlm =*&*. brmtan apparentlmroam in Buildingtwo wo mobw of docre"**, increases and xt,nbaad to mted that tkwt did *lotebog"* sirw-.Laun cc tiw mmi7tiua mrthed In use &,I gt lo@ Uood levile ad mw be sreater gt LUber Ucud--. of I PPS Cb"aes xoq be %berefore. tbo sivirlc"co Ltuited. lwtb wtal cbmag@ and eb"gea greater than I pps are deplete& in altbw amm, there are more decre"es %ban increases. Table III gwmKrLZOB %be =wlber of oplo"en $a meb area by OF emmutration. TbD nualow include all employees tested in 1983. Super,rlsore frcs tbL- lndi"ted art" were Included in tb* *=tale. 1% em be oc,%%%bat the majority of emq;Llc"es be" OF concentrations lose than 5 ppm6 Table rY includes additional m, I I* co results not included In the "%a comparisons. Ttm results ec@ated up= indicate a davavard trend. in owelusion. most are" bave otperienced a &"Ymrd trend. laffufricient evidence exists to determine the excretion rate or vbetbor &U persons aterate at the =Lee mte. ?I* data U believed to be indicating %bat IW*v" exposure controls are bawIM a positive effect. It Is mt@pi led that areas wt exkdbltl." & doelim be *spa--L&IU reviewed for e. ure potential and feasible lwowed control xowuroo. VhLIe all studim w date rlil to demonstrate bumm disease or patterns of adverse effect womisted v:Ltb crgwdc fluwlnw oweeatrations In the blood, it U LmparxtLvqt %bet ve amminue every afftrt to reduce exposure and or levels ID tW lovwt degree possible. ,4o aids 2 suparvlowm operamrs Bid# 3 ftet SUPerviso" operators Bldg 3 Perth SUPerviso" opera are Bldg 3 &&at su"rvlaa" W*ratvrs Bldg 4 north su"rvloors operator* Bid& A South Sv"rvILso" operators YAi*tGUBM* shwp AU Bldg* Bldg 3 uds 2 & 4 proem" TA= I orvaic nuaries Uaid Cammstt'6tim,rpm IOU 1 23.1 23.3 12 1 5 5 25 9.0 7.4 4 56..89 46..36 21 3 5.1 a.9 24 3 3 3.3 34 2.9 2.7 3 2.3 3 25 4.1 3.9 1 0.9 0.3 16 1.8 2.6 5 6.8 5.6 6 2.3 2.3 l.& 3.3 2.5 441 1.1 41 1.2 41 . I" 2 1"3 2-23 2-12 2-15 3-4 2-12 1-12 1-4 1-15 3-4 e. 1-6 2-3 2-A 1 1-20 -41-2 4C 1-3 1-12 1-3 2-4 2-3 4C 1-3 MCI d4 1-2 e- 1-5 3-11 de- 1 1-6 -dr- 1-1 ot-1-4 73 d.:E: Udg 2 ope. torm Ildg 3 Vest O"rators Bldg 3 Barth su"rvtsars opera 0 ndg 4 worth SuVervioare operators Bldg. A 3awth Su"rvtsare Operator* maint Sbop ALI BUse Zldg 3 Ilds 2 4 A waotamto Treat@t Beller bouse Laboratory ?ABU n amber of Increasesand becrea"o --s Deer"" luer"oe lie Ch 6 Nmbar of Changes Move Thme I M DecraiLes Increase 1 3 - 11 7 3 1 1 1 12 6 16 2 a a - 2 6 3 A 4 4 - 1 3 1 2 2 7 7 2 10 1 16 4 A 2 3 2 1 2 2 2 - 2 oo J. U.vnsm Of OblAdOtitatilosAsll ftoduct]WitUpleloos jr"tei I& My, Igg3 of a nag. a Due. 3 Vast lost 3148.4 wwtb sbop AU $Ugo. 0-3"K 12 u u 19 37 27 I 6-10FFK 10 1 11-15tipm 6 2 16-20 MAS.3 Due@. 2 a 4 Waste Vatw Tt"tamt IL SOLIer Ems* Labotatery 23 maginembe TA= rY AAdltJDMX Text lt*Mltg maluln 3 lost 2 mplo"es last tested1"1 I decLLoodfxva 12 to U, I frm 26 to 7 3 Jbrtb i mvia"e laqeteste1d961declinefdrm It@-U 1 @*lo7" last tested1990 declined frm 9-3 3 Ust I mplayow Last tested1"1 declined frm 3 to 2 &ad 5 to 3.- 1 last tested 1980 declined from 9 to 6 4 N*Vth 2 @playeas last tested 1"1 dmllned freW 6 to 3 mW ia=oaood fcm 41 to I 1;@ ----W- 4 South 3 owto, a Lot tested 1961; 1 sboww a* change. 2 doelined 3 to 41. 6 to 5. I a*lorm viltbOIPlevel of 20 imrked in Uds. 3W until im Uta. 3 2 m*la"" 3 to 3 last tested In 1961 declined 4 to.3 oW Waste Vator Treatumt 3 arplayow last tested 1961; 2 so choult I declinedfrom 3 to I 14