Write an essay consisting of at least 500 words addressing all of the following topics (a through f):  a. Though federal air quality legislation prior to 1970 was generally considered ineffective, what aspects of pre-1970 legislation helped lead to the effectiveness of the 1970 Clean Air Act?  b. What are the key aspects of the clean air legislation beginning in 1970 that made substantial improvements […]

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 […]

As the recent spread of West Nile virus and the anthrax scare of 2001 dramatically illustrate, America faces a variety of new health challenges in the 21st century, along with a number of persistent problems, such as racial disparities in health status and care delivery. Promoting and protecting health also has been made increasingly complex by the growing prevalence of chronic conditions influenced by multiple […]

Unit I PowerPoint Presentation Create a 7- to 10-slide PowerPoint Presentation that summarizes the history of waste management and regulation. Use the notes section in PowerPoint to narrate your presentation. Be sure to address the following:  Provide one example of how a pre-industrial (before the 18th century) society or civilization handled its waste.  Include the main events that occurred during each of the […]

nit VI PowerPoint Presentation  This assignment provides you with an opportunity to select an alert system, research it, and evaluate its quality and usability from an ergonomics perspective. First, identify an alert system. It can be an everyday system, or it can be one used at your workplace. Second, research the details of the alert system by using at least one resource in the CSU […]

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As a safety professional, you have been asked to create a handbook explaining the various types of biological agents employees may have contact with in the workplace. In addition, you have been asked to include information regarding the basic exposure mechanisms for biological agents, methods of evaluation and control for biological agents, and methods of sampling for biological agents. You may use the training topics […]

Prepare: The topic of your essay needs to be a global societal problem from the following list: adult illiteracy, funding for General Education vs STEM in primary and secondary schools, minimum wage, oceans desertification, overcoming the digital divide, refugee (escaping persecution, war, or death) crises, species extinctions (modern), tax havens, Transatlantic Trade and Investment Partnership (TTIP), universal statement of human rights (pick one), airport security, or […]

Workers need to enter a below-ground, concrete-lined vault to repair a leaking valve that controls the flow of wastewater from several buildings at your plant. The opening for the pit is outdoors and secured with a 36-inch diameter manhole cover. The pit is 12 feet deep, and the walls are 6 feet x 6 feet wide. The valve is at the bottom of the vault. […]

 Instructions: The standards in Subpart S are consistently in the top 10 in OSHA’s most frequently cited standards lists and highest penalties assessed lists. The standards in Subpart S are complex and often misunderstood—even by professional electricians. Use the attached checklist VI Electrical safety inspection  to conduct an electrical safety inspection of your workplace. Add the citation for the OSHA standard for each question. In […]