Industrial hazard waste management | Reading homework help

Please solve the following problem, indicating your response on a Word document and submitting the document via File Upload.

Using the following formula, solve the problem below, and show your work.

TWA = CaTa + CbTb + … + CnTn

8

TWA     =            Time-Weighted Average

Ca          =            Concentration of contaminant during the sampling period “a”

Ta          =            Time of sampling period “a”

Cb          =            Concentration of contaminant during the sampling period “b”

Tb          =            Time of sampling period “b”

Cn          =            Concentration of contaminant during the sampling period “n”, where “n” is the last of a series of contaminants

Tn          =            Time of sampling period “n”

Note: All concentrations are in parts contaminant per million parts of air or milligrams of contaminant per cubic meter of air.

Air Sampling Problem: You are an industrial hygienist that is conducting personal sampling on a worker who is overseeing a production process involving use of toluene (Note: The Occupational Safety and Health Administration has established a Permissible Exposure Limit of 200 parts per million (ppm)). You are able to measure the following exposures:

500 ppm for 1 hour

100 ppm for 4 hours

225 ppm for 3 hours

What is the calculated TWA? What would you tell plant management in terms of exposure to toluene and compliance with the PEL?

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Question 2

You are an industrial hygienist conducting personal sampling on a worker who is overseeing a production process involving use of acetone (Note: The Occupational Safety and Health Administration has established a Permissible Exposure Limit of 1000 parts per million (ppm) of acetone). You are able to measure the following exposures:

700 ppm for 3 hours

1300 ppm for 2 hours

900 ppm for 3 hours

What is the calculated TWA? What would you tell plant management in terms of exposure to acetone and compliance with the PEL?

3.

The Hazardous Materials Safety Administration published the Emergency Response Guidebook and has developed a free, mobile web app of the Emergency Response Guidebook (2016). Reflect on the information available in this guidebook or through the app and on the format in which it is presented. Which resource (hard copy or mobile app) would be a more effective tool for you in the workplace and why?

Your journal entry must be at least 200 words. No references or citations are necessary.

4. A company is planning to transport hydrogen, carbon, and sulfur by train to another city. Identify the labels, marking, and placards that the DOT requires when transporting these elements.

Your response must be at least 75 words in length.

5. Describe some ways that the Emergency Response Guidebook is used when responding to incidents involved the release of hazardous materials.

Your response must be at least 75 words in length.

6. Describe how the chemical characteristics, production methods, uses, and associated unique hazards of hydrogen can affect the safety of an environmental health and safety (EHS) and fire science (FS) professional.

Your response must be at least 75 words in length.

7. A nursing home is installing their own bulk oxygen system due to their large volume of consumption. OSHA regulation 29 CFR 1910.104(b)(2)(iii) requires owners of bulk oxygen systems to provide noncombustible surfacing in areas where liquid oxygen might leak during operation of the system or during the filling of a storage container. If the nursing home provides an asphalt surface in areas where oxygen could potentially leak, will it be in compliance with the workplace regulation regarding oxygen? Explain your answer.

Your response must be at least 75 words in length.

8. Although coal is no longer the favored energy source, U.S. coal mines still produced close to a billion short tons of coal. Contrast the properties of three different forms of coal. Discuss at least five chemical products, including activated carbon, formed from coal and their related health hazards. Describe DOT’s recommended response actions to incidents involved the release and burning of coal.

Your response must be at least 75 words in length.

9. Recall and reflect on a hazmat incident that has occurred in your lifetime. Describe that incident and detail the tools or resources that you would use as a first responder to evaluate the chemicals that were involved in the incident.

Your journal entry must be at least 200 words. No references or citations are necessary.

10. Review Appendix A of OSHA’s Process Safety Management (PSM) Standard 29 CFR 1910.119 and determine if your workplace has any chemicals that exceed the Threshold Quantity (TQ) identified in this table. Reflect on how your workplace uses aspects of the PSM to ensure a safe workplace? Do you think that the measures at your workplace achieve safety or merely keep the facility in compliance?

Your journal entry must be at least 200 words. No references or citations are necessary

11. Do you live in an area where hydraulic fracturing takes place? What is your position on the health hazards associated with this technology? Do you agree that current regulations are protective to the environment (groundwater) and human health? Why, or why not?

Your journal entry must be at least 200 words. No references or citations are necessary.

12. Polymers were discussed in this unit. Reflect on the dangers associated with polymeric fires and how these fires can ignite. How will you be more cautious of the dangers of polymers in your workplace? What GHS pictograms would you expect as a precaution related to these dangers?

Your journal entry must be at least 200 words. No references or citations are necessary.

13. art A: You are the Environmental Coordinator at a chemical demilitarization facility. You are tasked with the compliant and safe transport of explosives off site to the disposal facility. Identify the proper placarding, labeling, and shipping documentation of the transport vehicle as required by the DOT.

Part B: The vehicle that was transporting the explosive in Part A has been struck by another vehicle. A small fire appears to be spreading from a tire on a vehicle at the scene of the accident. Identify the explosive material that could be involved, and describe the chemical interaction that could be occurring as a result of the collision between the two vehicles. What immediate action should the EHS and FS responders take to protect human health and the environment?

Your response should consist of at least 200 words.

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