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■ Co-occurring Abbreviation List
[Co-occurring Abbreviation]
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Abbreviation
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NIOSH
Long Form
:
National Institute for Occupational Safety and Health
No.
Co-occurring Abbreviation
Frequency
Frequency (independent)
1
OSHA
85
675
2
ACGIH
34
272
3
TWA
33
1153
4
REL
32
332
5
MSHA
28
195
6
PPE
20
5103
7
PEL
18
1401
8
CDC
15
8639
9
FFRs
15
276
10
CI
14
284312
11
EC
14
29481
12
EPA
13
8777
13
TLV
13
762
14
VOCs
12
7844
15
CO
11
20300
16
FACE
10
383
17
NIHL
10
905
18
BLLs
9
481
19
FTIR
9
25271
20
ppm
9
1103
21
ABLES
8
31
22
BLS
8
1402
23
DPM
8
720
24
OSH
8
401
25
CFOI
7
43
26
HHE
7
239
27
NTOF
7
19
28
OR
7
153129
29
WHO
7
25478
30
WTC
7
667
31
CFD
6
4557
32
FDA
6
15909
33
GM
6
11470
34
HHS
6
2434
35
IARC
6
875
36
LBP
6
8837
37
LOD
6
13106
38
NORA
6
200
39
PBZ
6
346
40
PMRD
6
39
41
RCS
6
2168
42
RELs
6
40
43
COVID-19
5
49837
44
CWP
5
742
45
EDs
5
6471
46
MPPS
5
55
47
MWFs
5
106
48
NEISS
5
276
49
NTP
5
1791
50
PELs
5
106
51
RAs
5
513
52
RH
5
7736
53
ROPS
5
103
54
SENSOR
5
31
55
TWH
5
107
56
WMSDs
5
319
57
BC
4
23610
58
BLL
4
569
59
DBA
4
1235
60
DOP
4
897
61
ED
4
47770
62
GC-FID
4
797
63
GC-MS
4
12215
64
HDI
4
1665
65
HEPA
4
414
66
HP
4
12013
67
HQ
4
2215
68
ISO
4
4807
69
JEM
4
288
70
MSDs
4
906
71
MWF
4
463
72
OEL
4
225
73
PAPRs
4
47
74
PM
4
21087
75
PMF
4
3967
76
PR
4
29694
77
PVC
4
4085
78
RWL
4
143
79
TB
4
34170
80
TEM
4
30038
81
TLVs
4
96
82
TWAs
4
26
83
AM
3
13478
84
ASTM
3
343
85
CAC
3
5330
86
CAIS
3
328
87
CES-D
3
3361
88
CNTs
3
5391
89
CSTDs
3
36
90
DMF
3
3757
91
EtO
3
297
92
FFR
3
2897
93
FTE
3
623
94
GC
3
28426
95
GC/MS
3
3594
96
HVAC
3
274
97
I/O
3
425
98
ILI
3
2000
99
IOM
3
1719
100
LEV
3
1549