Question: Answer - 01, 02, & 03. Thanks When evaluating worker exposure to welding fumes, the best placement of the sampling device is A) immediately outside

Answer - 01, 02, & 03. Thanks When evaluating worker exposure

Answer - 01, 02, & 03. Thanks

When evaluating worker exposure to welding fumes, the best placement of the sampling device is A) immediately outside the helmet. B) close to the welding. C) inside the helmet. D) near the exhaust system. Explain your answer. Question 2 The method of sampling for phenol is which of the following? A) XAD-7 solid sorbent tubes B) Activated charcoal tube C) Portable LIRA D) Midget impinger with HO2 Explain your answer and quote the NIOSH method used. Question 3 What is the NIOSH method for sampling for trichloroethylene? A) 100L on silica gel B) 10L on hopcalite C) 10L on activated charcoal D) 10L mylar bag

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