One Question per Day (2016.9.11)
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1. When conducting occupational health assessments and tests in the workplace, it is necessary to ____. A. Continuous monitoring for 3 days, including the day with the highest concentration and the period of peak concentration. B. One measurement taken over a period of 15 minutes. C. Select the period with the highest concentration for testing. D. Conduct testing for one day, with long-term sampling over one working shift. 2. According to the classification standards for occupational exposure to toxic substances (GBZ230-2010), the correct classification is ____. A. Extreme hazard, high hazard – toxicity hazard, mild hazard. B. Extreme hazard, high hazard – toxicity hazard. C. High hazard – toxicity hazard, mild hazard. D. Highly toxic substances, toxic substances, mild substances. Wishing everyone a happy Mid-Autumn Festival in advance! The correct answer is A; A
1. When conducting occupational health assessments and tests in the workplace, it is necessary to ____. A. Continuous monitoring for 3 days, including the day with the highest concentration, as well as the period of highest concentration. 2. According to the classification standards for occupational exposure to toxic substances (GBZ230-2010), which of the following classifications is correct? ____ A. Extreme hazard, high hazard – Toxicity hazard, mild hazard
1. When conducting occupational health assessments and tests in the workplace, it is necessary to __A__. A. Continuous monitoring for 3 days, including the day with the highest concentration, and the period of highest concentration. B. One measurement taken over a period of 15 minutes. C. Select the period with the highest concentration for testing. D. Conduct testing for one day, with long-term sampling over one working shift. 2. According to the classification standards for occupational exposure to toxic substances (GBZ230-2010), the correct classification is __A__. A、Extreme hazard, high hazard – Toxicity hazard, mild hazard B、Extreme hazard, high hazard – Toxicity hazard C、High hazard – Toxicity hazard, mild hazard D、Highly toxic substances, toxic substances, mildly hazardous substances