Department | CS2 -exposed Concentration (ppm) | Job Contents |
---|---|---|
High exposure concentration department | ||
Spinning | ||
Doping | 6.53 | Threading up a spinning machinery and taking out the cake, As CS2 is released during rayon regeneration, exposure concentration is highest with direct exposure. |
Circuit | 6.58 | In the spinning room having a tangled or broken thread, As CS2 is released during rayon regeneration, exposure concentration is highest with direct exposure. |
Motor Repair | 3.79 | Repairing motors of a spinning machinery |
Moderate exposure concentration department | ||
Electrical Equipment Repair | 4.33 | High amount of spinning room work while repairing electrical equipment due to mechanical corrosion problems. |
Maitenance of Ejector | 3.03 | It is intermittent for reasons such as machine maintenance, but working within the spinning department |
Collection of Sulfuric acid | 3.79 | CS2 mixed in the recovered solution. |
Manufacturing of CS2 | 2.77 | Exposure to high concentrations of CS2 for a short time while manufacturing, but protective gear is used. |
Post-Process | ||
Packing | 3.6 | Restricted to the spinning room |
Carrying | 1.96 | Working in a spinning room for a long time to transport rayon. |
Refining | 2 | Exposure to remaining CS2 while processing semi-finished cake |
Maintenance | 2.16 | Estimated at 50% of that in the electrical equipment repair department |
Manufacturing of Viscose | 1.35 | |
Low exposure concentration department | ||
Water Treatment | 0.45 | Sewage inspection and cleaning in the spinning room |
Manufacturing of Chemicals | 0.23 | Estimated at 50% of that in the water treatment department, production of caustic soda and liquid chlorine, lower possibility of direct exposure. |
General Affairs | 0.12 | Estimated at 50% of that in the manufacturing department |