Document peeNxnx6R455EyX65M89xaNj

UPDATE ON ENVIRONMENT CANADA'S ECO. n n r , , ACTIVIT.ES FOR CERTAIN P E R F L U O R O A ^ di.ht.*-.__ ___ , J e s s y K u r i a s 1 a n d A n i t a : ,, +* ______, ~* TM .' A b s tra c t Since 20U0. the Existing StibswUHcv Branch a! Fnvironmcm Canada has undertaken ecological risk assessment Activities on certain perlluoroalkv! substances currently m commerce in Canada Ovcull, pi only for condtwuna assessments is based on analysis oi results trom categorization under the Canadian Environmental Pioh-uiuu Act /ydv (CTl'A industry, emerging science, micmnlional assessment activities, new substance* noii/icaiums. public nominations, and provincial or international decisions CaiecoriATiion identifies those substances that are persistent otoaccumulam c, and inherently toxic to human or Dmcnuh" b" ,la' 1,1 " V" subsI" ''--a that mav in clnadaht ' P01l''",l"l lbl c'l>" lirc In hurlum ""d -- -- * W ns Wilh Health Can" 'T Z a ie d m d - Z i , CTM d< "> njuncoon Its salts and precursors The dmrt , ^ P ^ * scrccn,n8 assessment on PFOS, mb, iami mp;,z x 2S subJcn10J s b b ~ S sB = = ^ - undemnny for PFCAs and related substances ' ' "S * m * * * s ~ " " ~ B ra n c h ' R (" P e rflu o rin a te d C h e m ic a ls ;^ ^ T S S 3 s r (.iMtiplex" PhAs can dcaradc to "less rivini,y" nr ., be persistent, p olem iallA ghlv b,,,accumulai,sc (c Tlungcha', ma pcTiluorocai boxy lie acids, and ,,.one i,, ,|,c c,, v i,,, ,, ,, t,!t"sT Ftg 2, ' t Z S c Z d Z c T n ! ' T F .n T n ^ PerT d 1 W '2" 0 foMd P,A i dtllcrem PFAs m io ( n-ufi m, ( r 'u,"en ^^natiutn coittpamcb imported 15b svcrc from the USA F u t , '* * * ' * * Fiji. 1 Assessment Approach aml Possible Outcome S U S S ,S S S X U ^ C anaaa August 20, 2005 P e rfiu o ro o c ta n e S u lfo n a te (P F O S ) A ssessm ent Pi US i> an S-curbon tliv envjioniui); perl uunnated sullony 1compound vvtdelv detected u Ihe .isvcsvmcnt evinsidcrc ills lildcd over 5() >|jb>I:ii)c i PI OS. its .salts and us precursors ( I ig d poses crsa> dn lmpavLsoniish survival and growth ' PFUS" SMl,S a,,d l,s uakchduus iNGOs, mdustre, and academics) are currently unde,gome P e r flu o r o o c ta n o ic A c id (P F O A ) a n d its S a lts A s s e s s m e n t ' KldUSCd3Sa" 1 A preliminary c o in g ,cal ,cvtcsc o f PFOA and cnvironmem lia* been initiated m the ('.adan ' 'T ,'1! Cmlom"" 10" 'hat pFOA presents a I,Aver risk to the em uonineni compared to PTOS iv n does r h , 10 mc extern J 11 lll bioaccumulate to the same * PFOA i.v persistent in water ': = = r '^ B iS S IB S S c - F ig . 3 A s s e s s m e n t in c lu d e d P F O S P re c u rs o rs PFOS 3 SSSSsSSS? ' 1 is s s s s r mammals V " l'10markc,s rhcalih m m anne under CEPA | W . A separate precutsors, was also issued in January 2009 to s, polmnal risk management activities for PFOS PP t lls,a"d ' dcvcllT mTM ,, f S c re e n in g A s s e s s m e n ts substances in the environment PMire to such I he assessment objective is to determine iJ a subij^n--f- - j .. , - under Section 64 of CUPA 1999 (see Fin I) C as dei,ned 7 F e e d e rs C a n Id e n tify C a n d id a te S u b s ta n c e s fo r A s s e s s m e n t SccUm i 7.1 CEPA 1999: Domestic Substances I Is, m et t , ' p" S ' ndUS" y m'bra" U0"' < * !..-, to .:.S. ..; ]\ SKrA i1y9y9y9' rPublic nfom1ionrat'nio,ncrsa"ona,d-- . IE"m' ergi'ng s'c*i?enCceEaMnd19mWonitNocr*ing^bstanccs Nolificattons * International assessment or data collection E c o lo g ic a l R is k A s s e s s m e n t A c tiv itie s fo r P F A s PFOS PFOSIUjQtOiUdCITKllDDU produci frommm/ Oj/TcTc: post Sumcbanutuud Co'TOChAlKtl^wtUvU ' p : iTM '^ a s ~ 'z z r internal,onal activities (c g US Australia UK mam m a m , b u s phased om P r o s ' K' r in c r a as a bfT -l'sbjK' " m" !' (,tC D >and ,hc ' ,n,' re" " d- - ' amntcidcsrn i r e l ) i d dd.srvdelo' "pmCg0a,kp'"a'tth"Sludn-'r"ard fool,breermpacirnlmlugorPoFcaArsbo0xfvhc fig. 2 PFAs can degrade, releasing PFAs belonging to 1 of 2 major categories - Perfluorinated sutfonyl compounds (-62% of PFAsf e.g. PFOS Perfluorinated carboxylic acids (-32% o f PFAs) e s PFOA * P F O S N e x t S te p s ' TM * n ^ : dd'Srcsp"" 10 311comrac"'s -- 1 Canada s lina] decs,,,,, dM ra,mm l' pnor 10 *he (iovcinntem ot ' n a i n d i c . n r ^ r o r Em " ,Ved T " * "8 ,hc `'c-umuia,TM and lurthcr^ndcA^d Ib/sciencc',r nmCn' ^ * " " * ,, * it is miicinrucd that a flmt pfiav: prepared m early 2 m 8 ^^ ` f * miinagcmem strategy options for PFOS will ,,ecu- o u n c e s ,,,U) ( a n a d a a ,, d ,,,, aJdress pn(, (hc ^ n - . D ,,Obese ' '" s m , u = 5 1 S S r ; s=;;~:ri.., lit. AT, '1.rcia,. Tx 11 finlirtn I,< _ < 41NlJHltAjiictkaSITAC2t'i F u rth e r D a ta C o lle c tio n a n d P a th F o rw a rd fo r o th e r P F A s 'i s r s s s r s i - r 'S s S E iS ^ r ^ a s s . bioaecumuiation trends In herrmg gului and lake i r m P ''1" "-'' " d A path forward lo address PFAs beyond Pros and prOA toll be deed r PFAy rCVIC" 01 0,,-e" "8 raca'9h TM l 'he updated mdns.ry survey on F o r F u rth e r In fo rm a tio n For ftrrthor information on PFAs assessment act. vinesAnuaAL'fliimmtomr.unn., or Jem .K J ,, Existing Substances Branch website: yyww.ee.gc.ca/suherappycipcar Environment Canada's Homepage (The Green Lane) a w w .e e . Ec.ca,'env)ltim a h im I p 0 0 0 0 8 6 5 4 8 2 S :i u t? I xtu \i o m r? ;i 000005 - : t t ! ! .-F -! h f ; r n v i M