暴露評估基本概念 - isha.org.tw

1 0935533706 1 11 1 4 7 ( ) 12 1 8 12 3 9 2 3 SEG OEL:10ppm 0 10 (ppm) 5 0 20 40 SEG-01 SEG-02 SEG SEG SEG HSEH ealth and Safety Executive, HSE SEG SEG 8 ( ,B 4) ( ,B 4) SEG SEG SEG 9 1 R 4 SEG 2 R 4 PEL R 4 1 PEL R 4 1 4 3 R 4 X X 1 SEG R>4 X X 1 1.

2 SEG 2. SEG SEG SEG SEG SEG 3. SEG SEG 1 2 4 5 -- Exposure profile 0 . 5 (n )9 (m a x )0 . 0 6 (m in )0 . 0 0 2( m a x n = 5 0 ) 0 . 0 5 8N o l e s s -t h a n ( < ) ( % > O E L )# R E F !o r g re a t e r -t h a n ( > ) 0 . 0 2 20 . 0 2 6 0 . 0 2 40 . 0 2 4 (s )0 . 0 1 90 . 0 0 2 (L N )-4 . 3 0 90 . 0 6 0 (L N )1 . 2 4 80 . 0 0 8 (G M )0 . 0 1 30 . 0 3 0 (G S D )3 . 4 8 30 . 0 0 20 . 0 1 0 0 . 0 4 0W - t e s t o f lo g tr a n s f o rm e d d a t a ( L N )0 . 8 8 8L o g n o rm a l ( a = 0 . 0 5 ) ?Y e sW - t e s t o f d a ta0 . 9 1 6N o rm a l (a = 0 . 0 5 ) ?Y e s E s t im a te d A r i th m e ti c M e a n - M V U E0.

3 0 2 6L C L1 ,9 5 % - L a n d 's " E x a c t "0 . 0 1 4U C L1 ,9 5 % - L a n d ' s " E x a c t "0 . 1 5 6 _ 95 0 . 1 0 5U T L95 % ,9 5 %0 . 5 9 1 (% > O E L )0 . 1 8 8L C L1 ,9 5 % % > O E L< 0 .1U C L1, 9 5% % > O E L5 . 9 1 8 M e a n0 . 0 2 2L C L1 ,9 5 % - t s ta t is t ic s0 . 0 1 0U C L1 ,9 5 % - t s t a t is t ic s0 . 0 3 4 _ 95 0 . 0 5 4U T L95 % ,9 5 %0 . 0 8 (% > O E L )0 . 0 0 0 Li n e a r P r ob a b i li ty P l ot a n dL e a s t- S q u a re s B e s t -F it L in e-0 . 0 500 . 0 50 . 1 L o g pr o ba b i li ty P l o t a n dLe a s t -S q ua r e s B e s t-F i t L i n e1%2%5%1 0 %1 6 %2 5 %5 0 %7 5 %8 4 %9 0 %9 5 %9 8 %9 9 %00001C o n c e n t r a t i o nI d e a li z e d L og n o rm a l D i s tri bu t io nA M a n dC I 's9 5 % ile010203040506000 .0 50 . 10 . 1 50 . 20 . 2 50 .3 S e q u e n ti a l D a ta P l o t00 . 0 10.

4 0 20 . 0 30 . 0 40 . 0 50 . 0 60 . 0 70246810 Idealized Lognormal DistributionAM andCI's95% Exposure Profile 17 SEG P-value 18 1. 4 4 5 2. (1) 4 (2) 4+ 3 3 4 1/2 5 3. (1) 4 (2) 4+ 3 95 1/2 0 1 2 3 4 0 1 2 3 4 0 1 2 3 4 3