NITE ????????? ??????

1
???????????MLAP(????????????????)
??14?6?4?

• NITE ????????? ??????

2
??
1.?? 2.?????? 3.MLAP?? 4.MLAP??? 5.???
3
1.??
1.1 ??
???? ???????????????
????????? ?????????
??????????????
4
1.2 ??????????

• PCDDs????????-??-?????
• PCDFs???????????
• Co-planar PCBs??????????????
• ???????????????(??11???)?????

5
1.3 ???????????
Cl
1
9
O
O
Cl Cl
8 7
O
O
4
6
Cl
2,3,7,8-TCDD
PCDDs
6
1.4 ????????????
???????(2,3,7,8-TCDD)
???
????
DDT
?????
7
1.5 ???????????

• ???????????

?90
? ???????????? ?????PCB???????????? ? ???????????? ?????PCB????????????
??? ???g TEQ/YEAR(??10?)
????????? 1340
????????? 960
???????????(???) 325-345
??? 1.8-3.8
??????(???????????????????) 176.6
????? 0.079-13.9
??????? 2.14
????? 0.078
?? 2900-2940
8
1.6 ??????????????
??? 0.18pg/m3(H.11) 0.23pg/m3(H.10) ???
6.5ppt(H.10) ?????? 0.24ppq (H.11) 0.40ppq (H.10)
????????????????????? ??????????????????????????
????????
MLAP????????????? 1.?????????????? 2.?????????????
?????
9
1.7 ???????????????
??? ????
???? ??
???????? ?????? ppt level
??? ??
??????? ?????????? ppb level
Cd,NO2,SO2 ppm level
10
1.8 ppt???

• ppt ??????
• ppt ??????????????

ppq10-15 ppt 10-12 ppb 10-9 ppm10-6

• ??????????????1???????????????????1 ppt ???.

11
2.1 ????
2. ??????
???????
??????
??????
??????
?5000 ???
??????
????????
??????????????
???
??????
????????
12
2.2 ??????
1.??? (??13?6?20???) 2.????????????????
(??13?9?5???) 3. ?????? (??13?9?5???) 4.???????
(??13?12?28???) 5.????????????
(??14?2?18???) ?? ??14?4?1?(?????????????
????????14?1?1????)
13
2.3 ????????(1)
1. ??????? 2.???????ppt ? ? ppq???.
??????
????????
????
????
???2001?6???
14
2.3 ????????(2)
3.?????????????(????)??? ?????????????? ????????
?????????
4.??????? ????????????????????
??????????NITE(??????)???????????????
15
3.1 ????(Accreditation)
3.MLAP??
???????????????????????????????????????????????(I
SO/IEC?????21996)
????(Accreditation body) ?????????(ISO/IEC17011
CD2)
16
3.2 ??????????
? ? ? ? ? (???)
?????????
????
??
?????????? (????)
??
????
??
????
? ? ? ?
17
3.3 MLAP???????
???? ???? ????? ?????????????
? ?
? ?
?????????
??
???
?????
MLAPSpecified Measurement Laboratory
Accreditation Program
18
3.4 MLAP ??????
????
?????????????????????????????????????????????????
????????????
19
3.5 ???????? ???????
???? ??????????????? ??????????????? ??????????
???????? ???????ISO/IEC17025(JIS Q 17025)???????
??????? 3?????????????????????
??????? ??????? ????1??? ????
????1?????????
20
3.6 ???????????
????
????(AB)
ISO/IEC G58
????
ISO/IEC17025
???
???
???
??
???????(CAB)
??
21
4.MLAP???
4.1 ????
1.??????1????3? 2.???????(???250?)??? 3.???
1??? 401,400? 2??? 497,800? 4.????NITE??????
22
4.2 ???????(1)
1.????? (1)????????????1????3?
(2)????????????? (3)????????????? 2.??????????
(1)GC/MS?????????? (2)??????
23
4.2 ???????(2)
3.????? (1)????????? (2)???????????????????
?????????????????? 4.????? (1)????
(2)?????????????????
24
4.2 ???????(3)
5.??????? (1)??????????????????? ???????
(2)????????????????????????????????? 6.???????
(1)??????1?????????? (2)4?30?????
25
4.3 ?????(1)
1.???????????? (1)???? (2)?? (3)????
(4)????? (5)???? (6)?????
26
4.3 ?????(2)
1.??????????????? (7)????? (8)????
(9)???????? (10)??????????
27
4.3 ?????(3)
2.????????????????? (1)?? (2)??? (3)???
(4)??????? (5)????? (6)?????
28
4.3 ?????(4)
2.???????????????????? (7)?????? (8)GC/MS?????
(9)???????
29
4.3 ?????(5)
3.??????????????? (1)?? (2)?????? (3)??
(4)???????
30
5.1 ?????
5.???

• 1.?????????????
• ???????????????????
• ???????????????
• 2.??????????????????
• (?????????)

31
5.2 ??????????

• ????????????????????????
• ??????????
• ?????????????????????????
• ????????????????????
• ??????????????????
• ???????????????????
• ????????????
• ????? ????????????????????
• ???????????????????
• ????????

32
Further information
contact NITE???????????????
????? E-mailmlap_at_nite.go.jp Tel03-3481
-1633 URLhttp//www.nite.go.jp/asse/Mlap/index.ht
m (open to the public from this October )