Document kYY8YRM4jg8n8we609Ln8o3q

1934 ILO Si,INTERNATIONAL LABOUR OFFICE STUDIES AND KEPOUTS Series J-' (Industrial Hvyicne) No. 14 STANDARD CODE * OF INDUSTRIAL HYGIENE m- 9erW: jf' H `jwWwk?*:- r.;* to, * ^ fcVS; r<- .*. * T> TT \.v\W i* ttanl Taisia or Asphyxiating Smoke, Fumes and, Cases Escape of irritant toxic 6r asphyxiating smoke, fumed or gns in workrooms or adjoining premises should be prohibited. Pro duction and diffusion nf smoke, fumes. and gas . of_ this _nature, should be prohibited us-far As"poraiHc_and"tlreir'reBRmtl_slrouUt' be ensured by exhaust ventilation installed as near as possible to the point of production. Such smoke, fumes and gas should be rendered harmless prior to being passed into the outside air. / - XXXVII In* workrooms in which, in spite of all precautions taken, asphyxiating toxie or irritant fumes and gas may escape, the air rt-rr*j renewal should be such that the workers' health does not suffer. . ' XXXVIII txj No worker should ho allowed to enter without protective apparatus places likely to contain toxio asphyxiating, or inllfiinmable fumes or gus, until it has been ascertained that there is no risk. During work in closed apparatus and enclosed or partially enclosed spaces, where there in reason to apprehend the presence of dangerous gas or futnn or an irrespirable atmosphere, approved masks or oxygen breathing apparatus should be provided and worn by the workers. Safety belts with ropes attached should also bo provided and used, and wherever possible at least one person should supervise from the outsido the worker or workers exposed to __________________________________________________ * XXXIX Dust Escape of dust in workrooms or adjacent premises should be avoided. During manipulation of dust-producing material, or manual or mechanical work causing dust liable to injure the health, requisite measures should bo taken to prevent dispersion of such dust in the air of the workroom. XL Mechanical processes accompanied by liberation of dust should as far as possible be carried on in closed apparatus, provided with exhaust devices. l I-'i 'lul.il;.: oi ! 'll i ilc, ki. .v. ,j ; ,, , , . . provided to capture the dust as close to its point cl i.igu* jKussibic. Dust collected should be rendered inoffensive or destroyed. .* XL! ( ----Xfl--dasty~ ferBdespelBnkrobnwp^waBlgng'-wwmnwSfio^imi^ eventually douchc-baths, separate from the workrooms, should be provided for the workers. Conditions in regard thereto should be laid down by the competent authority. * ^ Large Furnace* XUT In industries or trades where the nature of the work necessi tates the use of glowing furnaces, measures should be taken to prevent workers in other departments of the establishment from being exposed to their action. XIjIII . Fireproof screens for protection from heat und# where neces sary, fireproofsuite or articles ofclothing, and also glasses affording protection against harmful radiation, should be placed at the disposal of the workers directly exposed. XLIV Air renewal in worltroomn should be such that high tempera ture does nob injure the workers' health. . ja-v Drying-Rooms, Moves ' .. At no season should workers lie made to enter drying-rooms and stoves when the interior temperaturo of these exceeds 50J C. (122 P,). Remaining in them continuously should be prohibited when the temperature exceeds 35" U. (95'0'F.), Noise, Vibration, Shocks XLVI In noisy trades and in those in which the running of mndiinery causes noise, shoolcs and marked vibration, every effurt should be mado to reduce as far as possible the disagreeable effects.