X1000306-1987-88_Part02 — Page 29

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.