Select a toxicant that can be classified as an air, water or soil pollutant, or an organic solvent. Discuss the exposure limits of this toxicant, how an individual may be exposed, and the toxic effects. Also, discuss the possibility of the toxicant being a carcinogen and what risk assessments would be involved in the carcinogen or noncarcinogen. Your report (paper) should be at least two […]

a. Describe the federal legislative process in which a law is enacted involving the U.S. House, Senate, and President.  b. Discuss how the United States Code (USC) differs from the Code of Federal Regulations (CFR). Provide a website for the USC and a website for the CFR.  c. Explain the differences between case law and statutory law.  d. Discuss how criminal law differs from civil […]

Write an essay consisting of at least 500 words addressing all of the following topics (a through h):  a. Explain riparian water rights.  b. Describe how Colorado’s groundwater use rules differ from California’s.  c. How did the 1969 fire on the Cuyahoga River influence clean water legislation?  d. What are the key differences between the 1977 Clean Water Act and the 1987 Water Quality Act?  […]

Summarize three of the subsections within section 6.5.1. Why did you choose the three subsections you summarized? What was most significant about their content? The authors indicate a mean volume of 4.2×106 μm3 for a single alveolus. Please verify (or disprove) this number, using another source (and provide the reference). If the mean volume of 4.2×106 μm3 is correct, and the volume can be approximated in the shape of […]

As part of the Hearing Conservation Program, the employer is required to evaluate the effectiveness of any hearing protection provided to employees. Hearing protectors are rated using a system developed by the EPA, the noise reduction rating (NRR). The NRR is derived in a laboratory setting. There is some controversy about how accurate the NRR is. OSHA’s method for evaluating the effectiveness of hearing protection […]

Unit outcomes addressed in this activity:  Demonstrate an understanding of the problems associated with the effects of the environment on public health.  Identify the importance of occupational safety and industrial hygiene in the workplace.  Explain the most important challenges faced in environmental and public health. Course outcome HS415-5: Describe the risk-assessment and risk-management process. GEL-1.1: Demonstrate college-level communication through the composition of […]

In the United States, we are fortunate to have an abundant supply of food. However, this abundance is largely due to advances in agricultural technologies, which have in turn created numerous concerns surrounding our food sources. Provide at least two recent (since the Green Revolution ended) examples of how the United States has increased its food production, and discuss how these changes have affected both […]

Unit VI Case StudyBhopal, IndiaThe incident investigation should deal with the chemical accident presented below. The case study should include the following components: a brief introduction of the scene and the accident, safety and health impacts of the accident, a statement on the legal aspects of the incident, an analysis of the key points from a project management perspective about the incident and accident, and […]

Your client is a company that has been cited with a notice of violation for discharging toxic chemicals into the municipal sewer system. The regulatory authorities are requiring that the company develop a waste management plan to address the violations related to the manufacturing process. A preliminary assessment concludes that the toxic chemicals are necessary because of old and outdated equipment. Management wants to get […]

As you know, our world is heavily dependent on oil. In Chapter 6 of Contemporary Environmental Issues, you have read that there is concern about the possibility of reaching a peak in oil production, while Chapter 8 of Contemporary Environmental Issues introduces a variety of possible alternative energy sources. Based on the concern that we may be running out of oil, describe at least two renewable alternatives to oil […]