SFTY 355 Industrial Hygiene and Toxicology

HOMEWORK #7

 

Name:_ Assignment Grade: 100% ____________________________

 

(16 pts) Interviews with workers can provide some of the best information about hazard information. What are four questions workers should be asked to help evaluate hazards and adequacy of controls?

(12 pts) The number of samples that needs to be collected depends on three factors. What are those factors?

(8 pts) What is the definition of a “breathing zone?” How is sampling in the breathing zone achieved?

(16 pts) What are the advantages and disadvantages of grab sampling (name at least 2 each)?

(20 pts) What are the benefits and limitations of colorimetric detector tubes (name at least 2 benefits and 3 limitations?

(12 pts) If the PEL for a substance is 500 ppm, the SAE is 0.10 for the sampling method, and the measured 8 hour TWA concentration using a single charcoal tube is 540 ppm, what is the lower confidence limit test results? Can an OSHA violation be cited? Show your work.

(16 pts) An employee is exposed to 500 ppm cyclohexene for 6 hours out of an 8-hour shift. If the SAE is 0.12, according to OSHA, is the worker overexposed? Show your work.

 

 

 

 

SFTY 355 Industrial Hygiene and Toxicology

HOMEWORK #7

 

Name:_ Assignment Grade: 100% ____________________________

 

(16 pts) Interviews with workers can provide some of the best information about hazard information. What are four questions workers should be asked to help evaluate hazards and adequacy of controls?

(12 pts) The number of samples that needs to be collected depends on three factors. What are those factors?

(8 pts) What is the definition of a “breathing zone?” How is sampling in the breathing zone achieved?

(16 pts) What are the advantages and disadvantages of grab sampling (name at least 2 each)?

(20 pts) What are the benefits and limitations of colorimetric detector tubes (name at least 2 benefits and 3 limitations?

(12 pts) If the PEL for a substance is 500 ppm, the SAE is 0.10 for the sampling method, and the measured 8 hour TWA concentration using a single charcoal tube is 540 ppm, what is the lower confidence limit test results? Can an OSHA violation be cited? Show your work.

(16 pts) An employee is exposed to 500 ppm cyclohexene for 6 hours out of an 8-hour shift. If the SAE is 0.12, according to OSHA, is the worker overexposed? Show your work.

 

 

 

 

SFTY 355 Industrial Hygiene and Toxicology

HOMEWORK #7

 

Name:_ Assignment Grade: 100% ____________________________

 

(16 pts) Interviews with workers can provide some of the best information about hazard information. What are four questions workers should be asked to help evaluate hazards and adequacy of controls?

(12 pts) The number of samples that needs to be collected depends on three factors. What are those factors?

(8 pts) What is the definition of a “breathing zone?” How is sampling in the breathing zone achieved?

(16 pts) What are the advantages and disadvantages of grab sampling (name at least 2 each)?

(20 pts) What are the benefits and limitations of colorimetric detector tubes (name at least 2 benefits and 3 limitations?

(12 pts) If the PEL for a substance is 500 ppm, the SAE is 0.10 for the sampling method, and the measured 8 hour TWA concentration using a single charcoal tube is 540 ppm, what is the lower confidence limit test results? Can an OSHA violation be cited? Show your work.

(16 pts) An employee is exposed to 500 ppm cyclohexene for 6 hours out of an 8-hour shift. If the SAE is 0.12, according to OSHA, is the worker overexposed? Show your work.

 

 

 

 

SFTY 355 Industrial Hygiene and Toxicology SFTY 355 Industrial Hygiene and Toxicology

HOMEWORK #7 HOMEWORK #7

   

Name:_ Assignment Grade: 100% ____________________________ Name:_ Assignment Grade: 100% ____________________________ Name:_ Assignment Grade: 100% Assignment Grade: 100% Assignment Grade: 100% ____________________________

   

(16 pts) Interviews with workers can provide some of the best information about hazard information. What are four questions workers should be asked to help evaluate hazards and adequacy of controls? (16 pts) Interviews with workers can provide some of the best information about hazard information. What are four questions workers should be asked to help evaluate hazards and adequacy of controls? (16 pts) Interviews with workers can provide some of the best information about hazard information. What are four questions workers should be asked to help evaluate hazards and adequacy of controls?

(12 pts) The number of samples that needs to be collected depends on three factors. What are those factors?

(12 pts) The number of samples that needs to be collected depends on three factors. What are those factors?

(8 pts) What is the definition of a “breathing zone?” How is sampling in the breathing zone achieved?

(8 pts) What is the definition of a “breathing zone?” How is sampling in the breathing zone achieved?

(16 pts) What are the advantages and disadvantages of grab sampling (name at least 2 each)?

(16 pts) What are the advantages and disadvantages of grab sampling (name at least 2 each)?

(20 pts) What are the benefits and limitations of colorimetric detector tubes (name at least 2 benefits and 3 limitations?

(20 pts) What are the benefits and limitations of colorimetric detector tubes (name at least 2 benefits and 3 limitations?

(12 pts) If the PEL for a substance is 500 ppm, the SAE is 0.10 for the sampling method, and the measured 8 hour TWA concentration using a single charcoal tube is 540 ppm, what is the lower confidence limit test results? Can an OSHA violation be cited? Show your work.

(12 pts) If the PEL for a substance is 500 ppm, the SAE is 0.10 for the sampling method, and the measured 8 hour TWA concentration using a single charcoal tube is 540 ppm, what is the lower confidence limit test results? Can an OSHA violation be cited? Show your work.

(16 pts) An employee is exposed to 500 ppm cyclohexene for 6 hours out of an 8-hour shift. If the SAE is 0.12, according to OSHA, is the worker overexposed? Show your work.

(16 pts) An employee is exposed to 500 ppm cyclohexene for 6 hours out of an 8-hour shift. If the SAE is 0.12, according to OSHA, is the worker overexposed? Show your work.

     

   

   

   

Answers

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