How vinyl chloride, chemical released in the Ohio train derailment, can damage the liver

kAm':?J= 49=@C:56 – E96 496>:42= :? D6G6C2= @7 E96 EC2:? 42CD E92E 56C2:=65 2?5 3FC?65 :? t2DE !2=6DE:?6[ ~9:@[ :? u63CF2CJ a_ab – 42? HC62< 92G@4 @? E96 9F>2? =:G6C]k^Am

kAmxE 92D 366? D9@H? k2 9C67lQ9EEADi^^5@:]@C8^`_]`__a^96A]abba`QmE@ 42FD6 =:G6C 42?46Ck^2m[ 2D H6== 2D 2 ?@?>2=:8?2?E =:G6C 5:D62D6 <?@H? 2D k2 9C67lQ9EEADi^^5@:]@C8^`_]``ff^_`haeabb`acegd`fQm%p$w[ @C E@I:42?E\2DD@4:2E65 DE62E@96A2E:E:Dk^2m] (:E9 %p$w[ E96 =:G6CD @7 @E96CH:D6 962=E9J A6@A=6 42? 56G6=@A E96 D2>6 72E 244F>F=2E:@?[ :?7=2>>2E:@? 2?5 D42CC:?8 W7:3C@D:D 2?5 4:CC9@D:DX 2D A6@A=6 H9@ 92G6 4:CC9@D:D 7C@> 2=4@9@= @C @36D:EJ]k^Am

kAm%92E <:?5 @7 52>286 EJA:42==J C6BF:C6D C6=2E:G6=J 9:89 =6G6=D @7 G:?J= 49=@C:56 6IA@DFC6 – E96 <:?5 2? :?5FDEC:2= H@C<6C >:89E 6IA6C:6?46 @? E96 ;@3]k^Am

kAmw@H6G6C[ 6IA@DFC6D E@ =@H6C 6?G:C@?>6?E2= 4@?46?EC2E:@?D 2C6 DE:== 2 4@?46C?] %92E’D :? A2CE 3642FD6 =:EE=6 :D <?@H? 23@FE E96 :>A24E =@H\=6G6= 6IA@DFC6 >:89E 92G6 @? =:G6C 962=E9[ 6DA64:2==J 7@C A6@A=6 k2 9C67lQ9EEADi^^5@:]@C8^`_]`_`e^;]2AD3]a_a`]_h]__dQmH:E9 F?56C=J:?8 =:G6C 5:D62D6k^2m 2?5 @E96C C:D<D]k^Am

kAmpD 2? k2 9C67lQ9EEADi^^AF3>65]?43:]?=>]?:9]8@G^nE6C>l36:6CTarZy:Qm2DD:DE2?E AC@76DD@Ck^2m @7 >65:4:?6 2?5 6?G:C@?>6?E2= 2?5 @44FA2E:@?2= 962=E9[ x DEF5J E96 :>A24E @7 G:?J= 49=@C:56 6IA@DFC6 @? E96 =:G6C[ k2 9C67lQ9EEADi^^5@:]@C8^`_]`d`d^9DK\a_`f\_bacQmA2CE:4F=2C=J @? 9@H :E >2J 27764Ek^2m A6@A=6 H:E9 F?56C=J:?8 =:G6C 5:D62D6] #646?E 7:?5:?8D 92G6 492?865 @FC F?56CDE2?5:?8 @7 E96 C:D<]k^Am

k9am{6DD@?D 7C@> ‘#F336CE@H?’k^9am

kAm':?J= 49=@C:56 :D k2 9C67lQ9EEADi^^HHH]42?46C]8@G^23@FE\42?46C^42FD6D\AC6G6?E:@?^C:D<^DF3DE2?46D^G:?J=\49=@C:56QmFD65 E@ AC@5F46 !'rk^2m[ 2 92C5 A=2DE:4 FD65 7@C A:A6D[ 2D H6== 2D :? D@>6 A24<28:?8[ 4@2E:?8D 2?5 H:C6D]k^Am

kAmxED 962=E9 C:D<D H6C6 k2 9C67lQ9EEADi^^HHH];DE@C]@C8^DE23=6^abbgeagcQm5:D4@G6C65 :? E96 `hf_Dk^2m 2E 2 q]u] v@@5C:49 724E@CJ :? E96 #F336CE@H? ?6:893@C9@@5 @7 {@F:DG:==6[ z6?EF4<J] u@FC H@C<6CD :?G@=G65 :? E96 A@=J>6C:K2E:@? AC@46DD 7@C AC@5F4:?8 A@=JG:?J= 49=@C:56 E96C6 6249 56G6=@A65 2?8:@D2C4@>2 @7 E96 =:G6C[ 2? 6IEC6>6=J C2C6 EJA6 @7 EF>@C]k^Am

kAm%96:C 42D6D 3642>6 2>@?8 E96 >@DE :>A@CE2?E k2 9C67lQ9EEADi^^HHH];DE@C]@C8^DE23=6^abbgeagcQmD6?E:?6= 6G6?EDk^2m :? E96 9:DE@CJ @7 @44FA2E:@?2= >65:4:?6 2?5 =65 E@ E96 H@C=5H:56 C64@8?:E:@? @7 G:?J= 49=@C:56 2D 2 42C4:?@86?]k^Am

kAm%96 =:G6C :D E96 k2 9C67lQ9EEADi^^HHH]DE2?7@C549:=5C6?D]@C8^6?^E@A:4^5672F=En:5l9@H\E96\=:G6C\H@C<D\h_\!_a__eQm3@5J’D 7:=E6Ck^2m 7@C C6>@G:?8 E@I:42?ED 7C@> E96 3=@@5] $A64:2=:K65 46==D <?@H? 2D 96A2E@4JE6D 96=A C65F46 E96 E@I:4:EJ @7 5CF8D[ 2=4@9@=[ 42776:?6 2?5 6?G:C@?>6?E2= 496>:42=D 2?5 E96? D6?5 2H2J E96 H2DE6 E@ 36 6I4C6E65]k^Am

kAm%96 92==>2C< @7 G:?J= 49=@C:56 6IA@DFC6 E@ E96 =:G6C :D 2 k2 9C67lQ9EEADi^^5@:]@C8^`_]``ff^_`haeabb`acegd`fQmA2C25@I:42= 4@>3:?2E:@?k^2m @7 ?@C>2= =:G6C 7F?4E:@? E6DED 2?5 E96 AC6D6?46 @7 72E :? E96 =:G6C 2?5 E96 562E9 @7 96A2E:4 46==D[ H9:49 >2<6 FA E96 3F=< @7 E96 =:G6C’D >2DD] w@H6G6C[ E96 56E2:=65 >6492?:D>D E92E =625 E@ G:?J= 49=@C:56\:?5F465 =:G6C 5:D62D6 2C6 DE:== =2C86=J F?<?@H?]k^Am

kAm#646?E C6D62C49 92D 56>@?DEC2E65 E92E 6IA@DFC6 E@ G:?J= 49=@C:56[ 6G6? 2E =6G6=D 36=@H E96 7656C2= =:>:ED 7@C D276EJ[ 42? k2 9C67lQ9EEADi^^5@:]@C8^`_]`_`e^;]2AD3]a_a`]_h]__aQm6?92?46 =:G6C 5:D62D6k^2m k2 9C67lQ9EEADi^^5@:]@C8^`_]`__a^96Ac]``d`Qm42FD65 3Jk^2m 2 “k2 9C67lQ9EEADi^^5@:]@C8^`_]`_a`^24D]496>C6DE@I]g3___cbQm(6DE6C? 5:6Ek^2m” – @?6 k2 9C67lQ9EEADi^^5@:]@C8^`_]`_hb^E@ID4:^<7KabeQmC:49 :? 72Ek^2m 2?5 DF82C] %9:D AC6G:@FD=J F?:56?E:7:65 :?E6C24E:@? 36EH66? G:?J= 49=@C:56 2?5 F?56C=J:?8 72EEJ =:G6C 5:D62D6D C2:D6D 4@?46C?D E92E E96 C:D< 7C@> =@H6C G:?J= 49=@C:56 6IA@DFC6D >2J 36 F?56C6DE:>2E65]k^Am

k9am~FE5@@C 6IA@DFC6 2?5 E96 C:D< 7C@> H6==Dk^9am

kAmk2 9C67lQ9EEADi^^HHH]2ED5C]454]8@G^E@IAC@7:=6D^EAa_]A57Qmx? @FE5@@C 2:Ck^2m[ G:?J= 49=@C:56 364@>6D 5:=FE65 72:C=J BF:4<=J] $F?=:89E 2=D@ 3C62<D :E 5@H?[ EJA:42==J :? ?:?6 E@ `` 52JD] %96C67@C6[ @FE5@@C 2:C 6IA@DFC6 :D =:<6=J ?@E 2 AC@3=6> 6I46AE H:E9 :?E6?D6 A6C:@5D @7 6IA@DFC6[ DF49 2D :>>65:2E6=J 7@==@H:?8 2 C6=62D6 @7 G:?J= 49=@C:56] x7 E96C6 :D 2 496>:42= D>6==[ @C J@F 766= :E49J @C 5:D@C:6?E2E65[ =62G6 E96 2C62 2?5 D66< >65:42= 2EE6?E:@?]k^Am

kAm':?J= 49=@C:56 2=D@ 5:DA6CD6D :? H2E6C] %96 7656C2= k2 9C67lQ9EEADi^^HHH]6A2]8@G^68^E@I:4\2?5\AC:@C:EJ\A@==FE2?ED\F?56C\4=62?\H2E6C\24EQmr=62? (2E6C p4Ek^2m C6BF:C6D >@?:E@C:?8 2?5 C6>@G:?8 G@=2E:=6 @C82?:4 4@>A@F?5D DF49 2D G:?J= 49=@C:56 7C@> >F?:4:A2= H2E6C DFAA=:6D[ D@ E9@D6 D9@F=5?’E 36 2 4@?46C?]k^Am

kAmw@H6G6C[ k2 9C67lQ9EEADi^^HHH]J@FEF36]4@>^H2E49nGlr_'3`r>%hg4QmAC:G2E6 H6==Dk^2m 4@F=5 364@>6 4@?E2>:?2E65 :7 G:?J= 49=@C:56 6?E6CD E96 8C@F?5H2E6C] !C:G2E6 H6==D 2C6 ?@E C68F=2E65 3J E96 r=62? (2E6C p4E 2?5 2C6 ?@E FDF2==J >@?:E@C65]k^Am

kAm':?J= 49=@C:56 C625:=J G@=2E:=:K6D :?E@ E96 2:C 7C@> H2E6C[ 2?5 :E 42? 244F>F=2E6 :? k2 9C67lQ9EEADi^^HHH]2ED5C]454]8@G^E@I8F:56D^E@I8F:56\a_]A57Qm6?4=@D65 DA246Dk^2m =@42E65 23@G6 4@?E2>:?2E65 8C@F?5H2E6C] %9:D :D 6DA64:2==J 2 4@?46C? k2 9C67lQ9EEADi^^5@:]@C8^`_]`_g_^`_cfbagh]`hh`]`_ceegccQm:7 E96 H2E6C :D 962E65k^2m[ DF49 2D 7@C D9@H6CD @C 5FC:?8 4@@<:?8] ':?J= 49=@C:56 82D :? 6?4=@D65 DA246D 42? E96C67@C6 244F>F=2E6] %9:D 67764E :D D:>:=2C E@ C646?E 4@?46C?D k2 9C67lQ9EEADi^^5@:]@C8^`_]bbh_^:;6CA9a__`__fdQm23@FE 7F>6D 7C@> ?2EFC2= 82D DE@G6Dk^2m :? A@@C=J G6?E:=2E65 9@>6D]k^Am

kAmp=E9@F89 E96C6 2C6 k2 9C67lQ9EEADi^^HHH]@D92]8@G^=2HD\C68D^C68F=2E:@?D^DE2?52C5?F>36C^`h`_^`h`_]`_`fQm6DE23=:D965 D276EJ =6G6=Dk^2m 7@C 24FE6 2?5 :?E6C>65:2E6 6IA@DFC6[ DF49 =6G6=D 5@?’E 6I:DE 7@C 49C@?:4 6IA@DFC6D[ D@ E6DE:?8 @G6C E:>6 :D :>A@CE2?E]k^Am

kAm(92E 42? 36 5@?6n p?J@?6 H:E9 2 AC:G2E6 H6== E92E k2 9C67lQ9EEADi^^C6DA@?D6]6A2]8@G^D:E6^D:E60AC@7:=6]2DAInD:E60:5l`dhbbQm>2J 92G6 366? 6IA@D65k^2m E@ G:?J= 49=@C:56 D9@F=5 92G6 E96 H6== k2 9C67lQ9EEADi^^HHH]2ED5C]454]8@G^E@I8F:56D^E@I8F:56\a_]A57Qm>@?:E@C65 2?5 E6DE65k^2m >@C6 E92? @?46] !6@A=6 42? 2:C @FE E96:C 9@>6D 2?5 2C6 6?4@FC2865 E@ D66< >65:42= 96=A :7 E96J 6IA6C:6?46 5:KK:?6DD @C :E49:?8 6J6D]k^Am

kAm000k^Am

kAmk6>myF=:2?6 x] q6:6C C646:G6D 7F?5:?8 7C@> }2E:@?2= x?DE:EFE6D @7 w62=E9]k^6>mk^Am

kAmk6>m000k^6>mk^Am