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Posted: April 20th, 2022
Question description
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. Using your textbook, 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.
What is the chemical symbol of arsenic, and what group/family does it belong to?Solve for the minimum volume of soil that will be excavated in cubic yards?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).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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