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• 20:55, 30 November 2022 Nikolas talk contribs created page 112. Occupational toxicology, chemical safety (Created page with "* Occupational toxicology ** The maximum working time in occupational exposure to hazardous compounds is: *** 8 hours per day, 5 days per week, 240 shifts per year ** Measurement of toxicity – by LD50 (the dose which kills 50%) ** Toxicity according to timeframe *** Acute toxicity – within 24 hours *** Subacute toxicity – between 24 hours and 90 days *** Chronic toxicity – later than 90 days ** Elimination of organic toxic materials *** Phase 1 of biotransformati...") Tag: Visual edit