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4. Occupational Diseases

(3) Medical Examinations

Table 5 Breakdown of Special Medical Examinations (2002)


Items

Substance work category
Establishments covered
Those who underwent special medical examinations
Those who needed medical advice
Finding rate
(%)
Statutory special medical examinations
Organic solvents 32,794 510,834 29,940 5.9
Lead 5,395 100,148 1,446 1.4
Tetraalkyl lead 12 98 4 4.1
Ionizing radiation 11,077 186,266 8,699 4.7
High
atmospheric
pressure
High pressure working place 49 452 21 4.6
Dive 194 1,284 66 5.1
(Subtotal) 243 1,736 87 5.0
Manufacturing-
prohibited
substances
Benzidine 32 124 1 0.8
4-aminodiphenyl 8 34 0 0.0
4-nitrodiphenyl 3 4 0 0.0
Bis (chloromethyl) ether 19 98 0 0.0
β-Naphthylamine 19 77 0 0.0
Amosite 3 17 0 0.0
Crocidolite 3 14 0 0.0
(Subtotal) 87 368 1 0.3
Special
chemical
substances
Dichlorobenzidine 31 299 11 3.7
α-Naphthylamine 82 498 8 1.6
Chlorinated biphenyl 62 531 2 0.4
o-Tolidine 127 814 17 2.1
Dianisidine 23 283 0 0.0
Beryllium 63 638 1 0.2
Benzotrichloride 13 141 0 0.0
Acrylamide 281 3,861 15 0.4
Acrylonitrile 247 5,716 56 1.0
Alkyl mercury compounds 39 158 0 0.0
Asbestos 2,113 19,534 142 0.7
Ethyleneimine 42 385 7 1.8
Vinyl chloride 157 3,599 38 1.1
Chlorine 1,097 19,178 148 0.8
Auramine 20 226 5 2.2
o-Phthalodinitrile 12 141 0 0.0
Cadmium 349 3,937 77 2.0
Chromic acid 2,474 23,482 229 1.0
Chloromethyl methyl ether 34 265 0 0.0
Vanadium pentoxide 177 2,118 21 1.0
Coal tar 622 12,769 57 0.4
Arsentic trioxide 217 2,774 25 0.9
Potassium cyanide 639 6,687 55 0.8
Hydrogen cyanide 148 2,173 0 0.0
Sodium cyanide 757 6,242 64 1.0
3,3'-Dichloro-4, 4'-diamino diphenyl methane 111 962 41 4.3
Methyl bromide 168 1,382 39 2.8
Dichromic acid 377 3,868 23 0.6
Mercury 413 3,772 64 1.7
Tolylenediisocyanate 349 5,632 43 0.8
Nickel carbonyl 13 213 2 0.9
Nitroglycol 5 103 0 0.0
p-Dimethylaminoazobenzene 5 7 0 0.0
p-Nitrochlorobenzene 24 232 0 0.0
Hydrogen fluoride 1,433 42,571 257 0.6
β-Propiolactone 8 48 0 0.0
Benzene 635 14,170 166 1.2
Pentachlorophenol 15 93 0 0.0
Magenta 14 60 0 0.0
Manganese 1,078 14,783 69 0.5
Methyl iodide 83 600 2 0.3
Hydrogen sulfide 353 7,211 61 0.8
Dimethyl sulfate 151 1,176 18 1.5
(Subtotal) 15,061 213,332 1,763 0.8
total 64,669 1,012,782 41,940 4.1
Special medical examinations by administrative recommendation
Ultraviolet and infrared ray 3,189 64,538 1,486 2.3
Noise 4,172 203,248 33,744 16.6
Manganese compounds (excluding basic manganese oxides) 34 587 19 3.2
Yellow phosphorus 22 266 10 3.8
Organophosphorus pesticide 81 1,061 31 2.9
Sulfurous acid gas 61 1,028 19 1.8
Carbon disulfide (excluding those related to work which uses organic solvents) 5 48 2 4.2
Nitroamide compounds of benzene 21 366 16 4.4
Chloro/ bromo aliphatic hydrocarbons 45 1,552 60 3.9
Arsenic or arsenic compounds (excluding arsenic trioxide) 86 3,013 22 0.7
Phenylmercury compounds 2 8 0 0.0
Alkyl mercury compounds (excluding those covered by Ordinance on Prevention of Hazards due to Specified Chemical Substances) 1 1 1 100.0
Chloronaphatalene 2 15 4 26.7
Iodine 29 304 4 1.3
Red cedar etc. 7 123 8 6.5
Ultrasonic depositing machine 50 797 57 7.2
Cash registration 297 3,339 382 11.4
Key punching, VDT work 3,899 215,589 12,994 6.0
Vibration 2,850 42,320 2,443 5.8
Heavy good handling and care work with significant burden on waist 184 7,698 1,396 18.1
Tools with trigger 626 52,759 1,880 3.6
Laser equipment 542 13,352 191 1.4
Others 115 2,164 86 4.0
Total 16,320 614,176 54,855 8.9
Grand total 80,989 1,626,958 96,795 5.9

Source: A Report of Special Medical Examinations
Note: There were some changes in the contents of medical examinations for organic solvents and lead in October 1989. In 1996, amosite and crocidolite began to be handled separately form asbestos in reports.


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