How Overly Cautious Risk Assessment Methods Overstate Risk from - - PowerPoint PPT Presentation

how overly cautious risk assessment methods overstate
SMART_READER_LITE
LIVE PREVIEW

How Overly Cautious Risk Assessment Methods Overstate Risk from - - PowerPoint PPT Presentation

OReilly, Talbot, and Okun [ A S S O C I A T E S ] How Overly Cautious


slide-1
SLIDE 1

1

O’Reilly, Talbot, and Okun

[ A S S O C I A T E S ]

  • Environmental Safety Health Geotechnical Engineering Consultants

How Overly Cautious Risk Assessment Methods Overstate Risk from PCBs in Indoor Air

Presenter: James Okun, O’Reilly, Talbot & Okun Associates, Inc. Co-authors: James Occhialini and Andy Rezendes, Alpha Analytical, Inc.

slide-2
SLIDE 2

2

  • !

"#

  • $

!

  • !
slide-3
SLIDE 3

3

% % % % &'()*+",- &'()*+",- &'()*+",- &'()*+",-

.-

/ 0-

  • #

!

slide-4
SLIDE 4

4

123- 123- 123- 123-

45

slide-5
SLIDE 5

5

  • !

6!

!

&!7

"6&)89

0!66&)8$

$9& $!.!

slide-6
SLIDE 6

6

  • $&':

!

  • ;

!

"

<3="8'12 >?6!

slide-7
SLIDE 7

7

%.- %.- %.- %.-

( ,!

<3$

  • $!

.<3

$"!

"6&&6&6@9

"6&8&8&@!

slide-8
SLIDE 8

8

0'AB" 0'AB" 0'AB" 0'AB" 3" 3" 3" 3" C- C- C- C-

C<3

0'!

  • !

!3

  • $!
slide-9
SLIDE 9

9

  • !

$ / 8'!

<

  • !

6::D!

slide-10
SLIDE 10

10

3 3 3 3

slide-11
SLIDE 11

11

E E E E

/!

7

  • !

#$=

3#$.!9. 3.9 CB!

slide-12
SLIDE 12

12

"73- "73- "73- "73-

!

  • 6:8'

6:>6! !

  • !
slide-13
SLIDE 13

13

=$- =$- =$- =$-

1$

!

slide-14
SLIDE 14

14

F F F F

  • =(,

! !

%

9 G !

slide-15
SLIDE 15

15

% % % % F - F - F - F -

$&':

!

  • $

!

7$

  • !

HI!

slide-16
SLIDE 16

16

%33- %33- %33- %33-

  • !

.

6DD8:89 ! =" !

slide-17
SLIDE 17

17

  • J="

$ ! $ $$ !

  • ="23!
slide-18
SLIDE 18

18

%J- %J- %J- %J-

  • !

"/

  • K-

L7"2 ""! /!

slide-19
SLIDE 19

19

  • 1";

!

7"

  • "!
  • !
slide-20
SLIDE 20

20

43 43 43 43

"

0'' !

$

  • !

/ !

  • !
slide-21
SLIDE 21

21

3.3# 3.3# 3.3# 3.3#

! ! !

@

; -

slide-22
SLIDE 22

22

%/ %/ %/ %/

slide-23
SLIDE 23

23

C C C C

1

1 1 1E

  • "G !

3

3 3 3E $ "G !

4

"J1J= ! !

slide-24
SLIDE 24

24

1 1 1 1

;

9 !

;

"6&)8! M6&)8

  • ;!

!

slide-25
SLIDE 25

25

#1 #1 #1 #1

  • "6&)8
  • 1$!

1

G " 6&)8" 3C% " 6&)8J= !

slide-26
SLIDE 26

26

4- 4- 4- 4-

" 36&)8(&"6&)8,

) J= "(6,!

&

$ 6 !

<$=/1(

$/ 41,&"6&)8$ 6"6&)8!

slide-27
SLIDE 27

27

4- 4- 4- 4-

1" 3

"6&)8. .9

  • "!

.

6:>'K6:>6( ,"6&)8! ;&"6&)8 ;!

slide-28
SLIDE 28

28

3- 3- 3- 3-

1BL(6:?D,

.$$ "6&8&!.

  • $$!

."6'6?!

"6&8& !

%6&8&

6'6?M &"6&)8!

slide-29
SLIDE 29

29

3 3 3 3

2

  • $

("6'6?,! ;

  • &"

6&)8! "6'6?!

slide-30
SLIDE 30

30

%&6&)8<- %&6&)8<- %&6&)8<- %&6&)8<-

".

"6'6? HI!

="(46:>',

3"(6:>?,!

3"6'6?(

&"6&)8 ,;

  • &!
slide-31
SLIDE 31

31

"6&)8 "6&)8 "6&)8 "6&)8 $- $- $- $-

.$&E6,

9 &, !

!6::?

&"6&)8 &

  • 41

! !

slide-32
SLIDE 32

32

&"6&)8$ &"6&)8$ &"6&)8$ &"6&)8$ 3(&, 3(&, 3(&, 3(&,

%

41 "6&)8 6"6&)8! 6&)841!C $416 "6&)8!

"6&)8$

"$ " ="$ !

slide-33
SLIDE 33

33

&"6&)8$ &"6&)8$ &"6&)8$ &"6&)8$ 3(0, 3(0, 3(0, 3(0,

41"6&)8 6"6&)8 6&)8$6 "6&)8!

$::@

"6&)86( $,&!

6&)8

6&$ $ !

slide-34
SLIDE 34

34

  • =$-

=$- =$- =$-

6"6&)8

(,="$ ;!

&="

;!%& "6&)8 !

36@"6&)8&

/ !

slide-35
SLIDE 35

35

.2" .2" .2" .2" 3- 3- 3- 3-

7"

!

7>>(

,9 6&?(,! M4#! 6&?

  • !

7."6&)8

"6!% !

slide-36
SLIDE 36

36

B5 B5 B5 B5

L772+7" 1E EKK;!K