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Assignment: Interactions Of Hazardous Materials
You are the project manager of an environmental company that was hired to cleanup a historical arsenic contamination site. Soil sampling results indicated the area impacted with arsenic above action levels is 30 feet by 55 feet. The depth of the arsenic plume is three feet below ground surface. The land owner wanted to clean this site for future development. Answer the questions below to help you prepare a cost estimate for this portion of the project. Your solutions and any assumptions to justify your estimate must be shown.
1. What is the chemical symbol of arsenic, and what group/family does it belong to?
2. Solve for the minimum volume of soil that will be excavated in cubic yards?
3. If each dump truck can transport 18 cubic yards, determine how many dump trucks loads will be transported? For calculation purposes, add a 15% "fluff factor" (add to the volume that will be transported).
4. If the bulk density of soil is 1350 kg/m3 (84.3 lb/ft3), solve for the weight of the soil that will be transported to a disposal site in kilograms?
Your total response to parts a-d must be at least 200 words in length.
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Sociology are very fundamental in nature. Role strain and role constraint speak about the duties and responsibilities of the roles of people in society or in a group. A short theory about Darwin and Moths is also answered.
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Individual Assignment : Two Models Handout and Rubric, This paper will allow you to understand and evaluate two vastly different organizational models and to effectively communicate their differences.
The following report includes the description about the organization, its strategies, industry analysis in which it operates and its position in the industry.
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Economics thesis undergrad 4th year paper to write. it should be about 22 pages in length, literature review, economic analysis and then data or cost benefit analysis.
The paper aims to highlight the global trends in countries and regions where 3G has already been introduced and propose an implementation plan to the telecom operators of developing countries.
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