Pages texn prostas perivallontos

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6.1.1 EÈ‚¿Ú˘ÓÛË ÙÔ˘ ‰¿ÊÔ˘˜

e

145

ƒ‡·ÓÛË ÙÔ˘ ÂÚÈ‚¿ÏÏÔÓÙÔ˜

e.1

Œ‰·ÊÔ˜, ÓÂÚfi, ·¤Ú·˜

¶›Ó·Î·˜ 1: ™˘ÓÙÂÏÂÛÙ¤˜ ÙÔÍÈÎÒÓ ÈÛÔ‰˘Ó¿ÌˆÓ

e.1.1

∂È‚¿Ú˘ÓÛË ÙÔ˘ ‰¿ÊÔ˘˜

¢ÈÔ͛Ә

™TI

2,3,7,8-Cl4-¢È‚ÂÓ˙Ô‰ÈÔÍ›ÓË 1,2,3,7,8-Cl5-¢È‚ÂÓ˙Ô‰ÈÔÍ›ÓË 1,2,3,4,7,8-Cl6-¢È‚ÂÓ˙Ô‰ÈÔÍ›ÓË 1,2,3,6,7,8-Cl6-¢È‚ÂÓ˙Ô‰ÈÔÍ›ÓË 1,2,3,7,8,9-Cl6-¢È‚ÂÓ˙Ô‰ÈÔÍ›ÓË 1,2,3,4,6,7,8-Cl7-¢È‚ÂÓ˙Ô‰ÈÔÍ›ÓË Cl8-¢È‚ÂÓ˙Ô‰ÈÔÍ›ÓË

1,0 0,5 0,1 0,1 0,1 0,01 0,001

ºÔ˘Ú¿ÓÈ·

™TI

2,3,7,8-Cl4-¢È‚ÂÓ˙ÔÊÔ˘Ú¿ÓÈÔ 1,2,3,7,8-Cl5-¢È‚ÂÓ˙ÔÊÔ˘Ú¿ÓÈÔ 2,3,4,7,8-Cl5-¢È‚ÂÓ˙ÔÊÔ˘Ú¿ÓÈÔ 1,2,3,4,7,8-Cl6-¢È‚ÂÓ˙ÔÊÔ˘Ú¿ÓÈÔ 1,2,3,6,7,8-Cl6-¢È‚ÂÓ˙ÔÊÔ˘Ú¿ÓÈÔ 2,3,4,6,7,8-Cl6-¢È‚ÂÓ˙ÔÊÔ˘Ú¿ÓÈÔ 1,2,3,7,8,9-Cl6-¢È‚ÂÓ˙ÔÊÔ˘Ú¿ÓÈÔ 1,2,3,4,6,7,8-Cl7-¢È‚ÂÓ˙ÔÊÔ˘Ú¿ÓÈÔ 1,2,3,4,7,8,9-Cl7-¢È‚ÂÓ˙ÔÊÔ˘Ú¿ÓÈÔ Cl8-¢È‚ÂÓ˙ÔÊÔ˘Ú¿ÓÈÔ

1,0 0,05 0,5 0,1 0,1 0,1 0,1 0,01 0,01 0,001

∆Ô ¤‰·ÊÔ˜ Â›Ó·È ÙÔ ·ÓÒÙÂÚÔ, ‚ÈÒÛÈÌÔ Î·È ‰È·‚ÚÒÛÈÌÔ ÛÙÚÒÌ· ÙÔ˘ Á‹ÈÓÔ˘ ÊÏÔÈÔ‡. ∞ÔÙÂÏÂ›Ù·È ·fi ¤Ó· Û‡ÛÙËÌ· ÌÂÙ·ÏÏÈÎÒÓ ÎÈ ÔÚÁ·ÓÈÎÒÓ ÛÙÂÚÂÒÓ ÛˆÌ¿ÙˆÓ Ì ÎÔ›ÏÔ˘˜ ¯ÒÚÔ˘˜. √È ÎÔ›ÏÔÈ ·˘ÙÔ› ¯ÒÚÔÈ ÂÚȤ¯Ô˘Ó ÓÂÚfi ‹ ·¤Ú·. ∏ ·ÏÏ·Á‹ Ù˘ ıÂÚÌÔÎÚ·Û›·˜, Ë „‡ÍË ÙÔ˘ ÓÂÚÔ‡ ÛÙȘ ÚˆÁ̤˜ ÙˆÓ ÂÙÚˆÌ¿ÙˆÓ ‹ Ë ‰È¿Ï˘ÛË Î·È Ë ÎÚ˘ÛÙ¿ÏψÛË ÙˆÓ ·Ï¿ÙˆÓ ‰È·ÛÔ‡Ó ÙÔ ÛÙÂÚÂfi ¤Ùڈ̷. ¶ÚÔ·ÙÔ˘Ó ¤ÙÛÈ ÂÏ·ÊÚ¿ ÚÔ˚fiÓÙ· ‰È¿‚ÚˆÛ˘. ¡ÂÎÚ¿ Ê˘Ù¿, ÙÒÌ·Ù· ˙ÒˆÓ Î·È ÂÚÈÙÙÒÌ·Ù· ·ÔÙÂÏÔ‡Ó ÙË ÓÂÎÚ‹ ÔÚÁ·ÓÈ΋ ‡ÏË. ∆· ˙Ò· ÙÔ˘ ‰¿ÊÔ˘˜ Î·È ÔÈ ÌÈÎÚÔÔÚÁ·ÓÈÛÌÔ› ÙË ÌÂÙ·ÙÚ¤Ô˘Ó Û ¯Ô‡ÌÔ Î·È ‰ÈÔÍ›‰ÈÔ ÙÔ˘ ¿Óıڷη. ∞fi ÙË Ê˘ÛÈ΋ ‹ Ù¯ÓËÙ‹ ÔÍ›‰ˆÛË ·ÓıÚ·ÎÔ‡¯ˆÓ ÂÓÒÛÂˆÓ ÎÈ ÔÚÁ·ÓÈÎÔ‡ ‹ ·ÓfiÚÁ·ÓÔ˘ ¯ÏˆÚ›Ô˘, ÚÔ·ÙÔ˘Ó Ë ‰ÈÔÍ›ÓË (PCCD, ÔÏ˘¯ÏˆÚÈÔ‡¯· ‰È‚ÂÓ˙Ô‰ÈÔÍ›ÓË) Î·È ÚÔ˚fiÓÙ· ·fi ÙÔ ÊÔ˘Ú¿ÓÈÔ (PCDF, ÔÏ˘¯ÏˆÚÈÔ‡¯· ‰È‚ÂÓ˙ÔÊÔ˘Ú¿ÓÈ·), Ù· ÔÔ›· ÂÚÓÔ‡Ó ÛÙËÓ ÙÚÔÊÈ΋ ·Ï˘Û›‰· Î·È ÛÙÔ ¤‰·ÊÔ˜. ∞fi ÙË ‰È·‰Èηۛ· ·˘Ù‹ Ï‹ÙÙÔÓÙ·È Î˘Ú›ˆ˜ ·ÏȤ˜ ÂÚÁÔÛÙ·ÛȷΤ˜ ÂÁηٷÛÙ¿ÛÂȘ ¯ËÌÈÎÒÓ ‚ÈÔÌ˯·ÓÈÒÓ ‹ ÚÒËÓ ÂÁηٷÛÙ¿ÛÂȘ ηψ‰È·ÎÒÓ Î˘Îψ̿وÓ. ™ÙËÓ ÔÌÔÛÔӉȷ΋ ¢ËÌÔÎÚ·Ù›· Ù˘ °ÂÚÌ·Ó›·˜ Ë ÌÂÙÚ‹ÛÈÌË Ì¤ÛË ÙÈÌ‹ ÁÈ· ·ÁÚÔÙÈο ‰¿ÊË ·Ó¤Ú¯ÂÙ·È Û 2 ng ¤ˆ˜ 3 ng ∆∂ ·Ó¿ÏÔÁ· Ì ÙÔ Â›‰Ô˜ ÙÔ˘ ‰¿ÊÔ˘˜ (∆∂ ·fi ÙÔ ·ÁÁÏÈÎfi toxicity equivalency = ÙÔÍÈÎfi ÈÛÔ‰‡Ó·ÌÔ). ∂‰¿ÊË ÛÙ· ÔÔ›· ¤¯ÂÈ ¯ÚËÛÈÌÔÔÈËı› ˆ˜ Ï›·ÛÌ·, ÙÔ ›˙ËÌ·, Ô˘ ÚÔ·ÙÂÈ ·fi ÙËÓ ÂÂÍÂÚÁ·Û›· ÙˆÓ Ï˘Ì¿ÙˆÓ, ÂÚȤ¯Ô˘Ó 5 ng ∆∂/kg ÂÓÒ ‰·ÛÈο ‰¿ÊË Â›Û˘ 5 ng ∆∂/kg. ∆· ‰¿ÛË “¯ÙÂÓ›˙Ô˘Ó” ÙȘ ÂȂϷ‚‹˜ Ô˘Û›Â˜ ÙÔ˘ ·¤Ú·. ŒÙÛÈ ÂÍËÁÂ›Ù·È Ë Û˘ÁÎÚÈÙÈο ˘„ËÏ‹ ÙÈÌ‹ Ù˘ ÂÈ‚¿Ú˘ÓÛ˘ ÙÔ˘ ‰·ÛÈÎÔ‡ ‰¿ÊÔ˘˜. ∫ÔÓÙ¿ Û ÂÁηٷÛÙ¿ÛÂȘ η‡Û˘ ·ÔÚÚÈÌ̿وÓ, ÌÂÙÚ‹ıËÎ·Ó 43 ng ·Ó¿ kg ‰¿ÊÔ˘˜ Î·È ÎÔÓÙ¿ Û ‰ÚfiÌÔ˘˜ ΛÓËÛ˘ Ô¯ËÌ¿ÙˆÓ 10 ng/kg. ∆Ô ÈÛÔ‰‡Ó·ÌÔ ÙÔÍÈÎfiÙËÙ·˜ ÂÓfi˜ Ì›ÁÌ·ÙÔ˜ ‰È·ÊÔÚÂÙÈÎÒÓ ÙÔÍÈÎÒÓ Ô˘ÛÈÒÓ Î·ıÔÚ›˙ÂÙ·È, Â¿Ó ÔÏÏ·Ï·ÛÈ¿ÛÔ˘Ì ÙÔÓ fiÁÎÔ Ù˘ οıÂ Ô˘Û›·˜ Ì ÙÔ Û˘ÓÙÂÏÂÛÙ‹ ÈÛÔ‰˘Ó¿ÌÔ˘ ÙÔÍÈÎfiÙËÙ¿˜ Ù˘ (TEF) Î·È ÚÔÛı¤ÛÔ˘Ì ÙȘ ÙÈ̤˜ ÙˆÓ ÚÔ˚fiÓÙˆÓ Ô˘ ¤¯Ô˘Ó ÚÔ·„ÂÈ. √ Û˘ÓÙÂÏÂÛÙ‹˜ ÈÛÔ‰˘Ó¿ÌÔ˘ ÙÔÍÈÎfiÙËÙ·˜ ™TE (¶›Ó·Î·˜ 1) Û˘ÁÎÚ›ÓÂÈ ÙËÓ ÙÔÍÈÎfiÙËÙ· ‰È·ÊÔÚÂÙÈÎÒÓ Ô˘ÛÈÒÓ, Ô˘ ‰ÚÔ˘Ó ‚¿ÛÂÈ ÙÔ˘ ȉ›Ô˘ Ì˯·ÓÈÛÌÔ‡. ∏ 2,3,7, 8ÙÂÙÚ·¯ÏˆÚÔ‚ÂÓ˙Ô∫1,4B-‰ÈÔÍ›ÓË ¤¯ÂÈ ™∆∂ 1 (∂ÈÎfiÓ· 1). √È ˘fiÏÔÈ˜ ‰ÈÔ͛Ә Î·È fiÏ· Ù· ÊÔ˘Ú¿ÓÈ· Â›Ó·È Û˘Ó‹ıˆ˜ ÏÈÁfiÙÂÚÔ ÙÔÍÈο. (∂ÈÎfiÓ· 2).

2,3,7,8 TÂÙÚ·¯ÏˆÚԉȂÂÓ˙Ô‰ÈÔÍ›ÓË

8

7

Cl

Cl

C C

9

1

H

H

C

C

10

C C

O

O

C C

5

H

C

C

C C

H

6

Cl

2

Cl

3

1

4

...

10

EÈÎfiÓ· 1: ™˘ÓÙ·ÎÙÈÎfi˜ Ù‡Ô˜ ‰ÈÔ͛Ӣ

2,3,7,8 TÂÙÚ·¯ÏˆÚԉȂÂ˙ÔÊÔ˘Ú¿ÓÈÔ

8

7

Cl

Cl

C C

9

1

H

H

C

C H

C C

C O

C

5

6

EÈÎfiÓ· 1: ™˘ÓÙ·ÎÙÈÎfi˜ Ù‡Ô˜ ‰ÈÔ͛Ӣ

C

C H 4

C C

Cl

2

Cl

3

1

...

9


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