TABLE 41
ENVIRONMENTAL AND BIOLOGICAL MONITORING AND SURVEY WORK OF OCCUPATIONAL HEALTH DIVISION 1987
TABLE 41 (Cont'd)
I. Field Survey Work
Nature of Survey Work
(A) Atmospheric monitoring :
Acetic acid
1.
Field Survey Work
No. of No. of Samples Surveys
Taken
置
1
Acetone
Ammonia
11
17
14
18
Nature of Survey Work
(B) Ventilation surveys:
General ventilation Local exhaust
No. of Surveys
No. of Samples
Taken
354
23
437
40
Asbestos
Benzene
Butyl acetate
Carbon dioxide
Carbon monoxide
Chlorine
47
107
20
2
(C) Thermal surveys
09 N
6
Q
(D) Lighting surveys
9
15
18
31
(E) Radiation surveys
Carbon tetra-chloride
2
1
Total
1 634
1
3
1 490
LA
7
7
Chloroform
5
5
Chromic acid mist
26
31
Copper
1
1
Cotton dust
14
113
II.
Laboratory Analysis Work
Diethyl ether
ま
3
Dust (including mineral dust,
136
344
wood dust, etc)
Echanol
3
17
Nature of Analysis Work
No. of Analyses
No. of Samples/ Specimens Collected
Ethyl acetate
21
25
Explosive gas
3
3
(A) Chemical analysis :
Formaldehyde
Gasoline
Air bags
(4)
(4)
Asbestos (counting)
207
109
Hexane
1
Benzene (bulk solvent samples)
(68)
(68)
Hydrocarbon
Bulk solid samples
(170)
(150)
Hydrogen chloride
Bulk solvents samples
(76)
(76)
Hydrogen cyanide
3
Dust
10
10
Hydrogen fluoride
1
Fibre gass
7
7
Hydrogen sulphide
8
11
Methyl di-isocyanate
(38)
(38)
Iso-propyl alcohol
6
6
Lead
15
15
Lead
10
16
Mercury vapour
(12)
(12)
Mercury
J
13
Mixed solvents (esters, ketones,
(155)
(155)
Methyl ethyl ketone
11
14
hydrocarbons, etc.)
Methylene chloride
13
Oil mist
(3)
(3)
Nickel salc
Perchloroethylene
Methyl di-isocyanate
Nickel
Nitrogen dioxide
Oil mist
Organic vapour
Oxygen
Ozone
Phenol
7
33
Silica
(305)
(305)
1
1
Welding fumes (and metals)
(85)
(84)
1
1
10
16
(B) Blood chemistry:
3
7
Blood lead
(56)
(56)
56
75
12
(C) Urinalysis :
27
33
Glucose
386
386
14
18
Protein
340
340
2
7
Styrene
13
29
Urine hippuric/methyl hippuric acid Urine lead
(20)
(10)
(18)
(18)
Sulphur dioxide
1
2
Sulphuric acid mist
1
2
Toluene
93
125
Total
973
(1 010)
875
(979)
Toluene di-isocyanate
5
10
1,1,1-Trichloroethane
100
89
Trichloroethylene
58
71
Welding fune
1
4
Xylene
Zinc
17
2
32 3
Note: Figures in brackets were analyses/samples/specimens being
referred to the Government Laboratory for chemical analysis.