Jim is doing an intake with a man who claims he is depressed. He tells Jim that ever since his wife left he has had trouble concentrating and waking up in the morning. He talks abo

Unit III Case Study Scenario
The QD Group Inc., a company that provides services on safety and environmental assessments and
remediation, has been contracted to perform a Phase I environmental site assessment (ESA) of a 160-
acre parcel (property) in a sparsely populated area near a small city in the United States.
Note: A Phase I ESA consists mainly of a site inspection, records review, and interviews with government
agencies and other parties to assess if the current and historical uses of the property have impacted the
property that could pose a threat to the environment and/or human health.
You will be managing this Phase I ESA project. Your client is the law firm that represents a corporation
that is interested in buying this property. The corporation plans to use the property to construct a 30-
megawatt solar power plant.
The property is located approximately 20 miles west of the town center, but a couple of residential homes
are located within a mile to the east of the property. The property is bounded by a county road to the
south, undeveloped land to the north and west, and a fruit orchard directly to the east. Across the road to
the south is also undeveloped land used for animal grazing. An intermittent stream transects the property
in an east-west direction running parallel to the northern boundary of the property. Groundwater in the
area is approximately 25 feet below ground surface. The municipal landfill is located approximately 5
miles to the west of the property.
A review of records that include historical aerial photographs indicated that the subject property has never
been developed; however, there have been reports of illegal dumping in the area. Site reconnaissance
was conducted by you and a technician who reports directly to you. On the day of the site visit, weather
was sunny and clear, temperature was in the mid-90?Fs, relative humidity was 60%, and a westerly wind
of 5-7 miles per hour was blowing from the west to the east.
Findings during the site reconnaissance are detailed below.
? Scattered historical solid waste (cans, bottles, cardboards, metals (supports, piping and
corrugated panels), rubber truck tires, tree trimmings, lumber) were observed at various locations
within the property.
? A huge pile containing miscellaneous solid wastes was observed on the northern boundary of the
property. Upon closer inspection, you identified the following:
o construction debris (wood and some concrete),
o magnesium shavings on one corner of the huge solid waste pile,
o two 1-gal containers of phosphorus oxychloride, and
o two 1-gal plastic bottles of ammonia.
A small mound of soil was observed approximately 25 feet to the northeast of the huge pile. In addition to
some household wastes (e.g., cardboards, empty plastic bottles, rugs, newspaper), the following
chemicals were identified from this pile:
? four 1-gal containers of muriatic acid (all were about half full),
? five 2-lb containers of sodium carbonate, and
? one 5-gal bucket of pool shock chemicals (sodium hypochlorite)
For this case study, ensure that you read the information from the case study scenario and address the following points.
Describe safety precautions that you will take to perform the fieldwork for this project. (Note: You do not know what specific materials are present at the site initially.)
Identify all of the hazardous materials (or potentially hazardous materials) observed and their classification (acid, base, water-reactive, or air reactive). Describe their uses and chemical properties.
Discuss at least four potential interactions between these hazardous materials, including their chemical reactions, showing the reactants and products. Identify any associated hazards with the products.
Discuss and justify any actions taken onsite and recommendations that will be included in your report to your client.
Your case study must be at least two pages in length,

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