1. 5.82 What is the short term exposure limit (STEL) for hydrogen sulfide?1) a. 15 ppm (30 ppm in USA)
2) b. 10 ppm (20ppm in USA)
3) c. 25 ppm (50 ppm in USA)
4) d. 30 ppm (60 ppm in USA)
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2. 5.12 All samples which are transported between terminals and laboratories or other installations should be labelled in accordance with the globally harmonised system for classification and labelling of chemicals (GHS).1) a. True
2) b. False
3)
4)
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3. 5.26 A portable electronic thermometer should always be grounded after the probe has been lowered into the liquid.1) a. True
2) b. False
3)
4)
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4. 5.20 To find out if a material is hazardous, you must consult the SDS.1) a. True
2) b. False
3)
4)
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5. 5.02 Regardless of the product, and in accordance with IP475/ISO 3170, what is the absolute maximum level to which sample containers must be filled?1) a. 50%
2) b. 80%
3) c. 95%
4) d. 100%
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