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1
()
1., , 2001; ,
IOSH90-T-038, 2., , 2002; ,
3 3. 2002
4. A Guide to Working Safely in Confined Spaces, Queensland Government,2008
5. ,http://www.nlio.idv.tw/ 6. ,(2006) 7. 2007 8. 99 9.97 10. 11.,, , 2007 12.,,, 201012
86 87 88 89 90 91 92 93 94 95 96 97 98 99
20 12 15 20 15 12 5 10 6 - - - - -
24 17 21 19 17 17 5 15 8 9 5 6 3 10 (?)
25 12 4 28 28 6 2 10 2 9 6 2 3 6 (?)
99
2
98
98 05 05 98
2010/05/29
6 2010/05/01
24 2009/08/25 1
13
2009/07/21 23
2009/06/18 2121
2008/05/10 111
995106(99)
20105 2 20105 2 8 4
3
1. 18%5 2 2. 4 29 4
3. 27
4. 29 129 1
5. 21 6.
29 6
99
:
8
: :
:
:
:
:
,
7-8
6
4
(PEL(PEL--STEL), ppmSTEL), ppm
(PEL(PEL--Ceiling),Ceiling), ppm ppm
COCO 52.552.5
COCO22 50005000
SOSO22 44
NHNH33 7575
125125 125125
125125
ClCl22 0.50.5
HH22SS 1010
(CO)
(%) ()
0.1 ( 1,000 ppm) 2 0.15 - 0.2 1 0.24 15
25
45
0.4 0.5 30 5 2 3
H2S
(0.05ppm)(50-150ppm)
l0ppm
119
5
H2S
:
2 CH2O CH4 + CO2
191:
(ANSI1977) :
(NIOSH 1979) :
OSHA1993
6
Permit-Required Confined SpacesPRCS, 29 CFR Part 1910 146
19931993
1910.146
Factories Act, Sec. 30The Confined SpaceRegulations
1961196119971997
OccupationalHealth and Safety
19961996
Health and SafetyRegulations-Reg.7
Confined SpaceRegulations
19941994
()
Factories and IndustrialUndertakings (Confined Spaces)Regulations
19731973
1974 (), 1998()
:
()()()
7
()
(()
8
::
::
::
::
: : ::,,: : NN22, Ar, CO, Ar, CO22
: : HH22SS; ; HCN;HCN;;;COCO
:
,,
::,,,,
:,1.5,,
,,,,,,
98
( 98 02 26 )
981013
(87.6.10)
63.73
(92.4.24 /94.11.22?)
( 91 06 12 ) 5
9
1 () 39
8
() () ( ) () () () ()
14
:
1. 19-129-129- 6
2. 295 295
19-1
10
29-1
29-2
29-3
29-2
11
94
94
29-4
29-5
12
29-6
94
________ ___________ ____________________ ______________ __________________ () _______________ ______________ _________________ *
*/ *// */ * *() * * *
47
* ________ _____ _______
1.2 2.3.4.
13
1. :
2. :
3.
4. ()
5.
(87.6.10)
(17~24)
(20,21) (17) (18 19)
(4~16) (4,16)---O2;H2S;; (5,9) (6) (7)
(8)
(18,19) (22) (23) (24):
(25~30)
(31)(8)
(9~12) (13,14) (15)
( )
4
5
18% 18%
1. 18% 2. 10 ppm 3.
4.
5.
14
16
18
24
3
33
3
15
(): 1.
2. () 3.
():
()( ) 1.
(1) (2) ()
() 1. ppm25C1
2. mg/m325C1
3. %1% = 10000ppm ()
1.(PEL-TWA)
2.(PEL-STEL)
131102101001.510010001.2510001
3.(PEL-C)
() 1. 2. (1) (2) (2) (3)
()=(/)(/)
16
(): 1.8
2.15
3.
():
1 1.
2.
63.70
21
17
1.
1.
2 :
()()()()
18
(92.4.24 / 94.11.22?)
1~34~56~89~1011~1819~2021 2421~2425~3233~3435~3839~41
924240920022634 :
:
931020619129l296 l296
()
1.
2.
19
()
1.18%23% 2.10 ppm 3 3.30%
4.
5.
()
1 1. 2. 3.
4.
19%19%
Recommended