Each essays must be at least 250 words in length. Each essay must include at a minimum an introduction, a body, and a conclusion. Each essay requires at least 2 references: The textbook ( Asfahl, C. R., & Rieske, D. W. (2010). Industrial safety and health management (6th ed.). Upper Saddle River, NJ: Prentice Hall. A scanned searchable .pdf can be found at http://sdrv.ms/1gykA5c.  The current chapters of focus for these essay questions are chapters 4-6)) and one outside source must be used as source material for the response. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying citations in APA Format.Question 1 What do the acronyms SARA, CERCLA, and RCRA represent? How do the three fit together, and how do they relate to OSHA? Be specific, and provide some examples in your response. Question 2 Suppose that you are the writer of a new standard. Pick a familiar hazard and write a two- or three-sentence paragraph for a possible standard to protect against the hazard. Write the standard first in the style of a specification standard and then in the language of a performance standard.

response7-2.docxresponse7-1.docx

using simultaneous equations solve these problemsa)  A moneybox contains only 20-cent coins and 50-cent coins. If there are57 coins in the moneybox and their total value is $24.30, how many 20-cent coins and how many 50-cent coins are there?b) Twelve years ago Jack was five times as old as Jill. In 3 years’ timeJill will be half of Jack’s age. What are Jack and Jill’s present ages?