An excavation will yield 540 cubic yards of contaminated soil. The soil weighs about 1.35 tons per cubic yard, and the permitted disposal facility charges $88 per ton. What is the estimated tipping cost?
Planning And Estimating
Question · Medium
How deep before you need a trench box?
Short
Under federal HAZWOPER, which standard covers general industry hazardous waste operations and emergency response?
Which existing CSLB license classification makes a contractor eligible to apply for the Hazardous Substance Removal certification?
Question · Easy
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Before excavating near underground utilities in California, which number must you call for Underground Service Alert?
An excavation measures 30 ft long, 20 ft wide, and 5 ft deep. How many cubic yards of soil will be removed?
In California, which agency regulates underground storage tanks (USTs) under Title 23 CCR Chapter 16?
Which reference manual provides guidance for cleanup of leaking underground fuel tanks in California?
To read and interpret laboratory analysis reports for hazardous substance sites, a contractor needs which of the following?
The RCRA Orientation Manual is published by which organization?
In planning a hazardous substance project, which document primarily identifies the hazardous substances present at a site?
Under HAZWOPER, who is responsible for developing the site Health and Safety Plan (HASP)?
The HAZWOPER standard requires site characterization to be performed at what point relative to on-site work?
Question · Hard
Which agency issues the local permits and provides the oversight for underground storage tank work in most California jurisdictions?
Establishing exclusion, contamination reduction, and support zones is part of which planning function on a hazmat site?
Under California's Underground Service Alert requirements, how far in advance of excavation must the locate request be made?
A site plan shows an excavation 50 ft long, 40 ft wide, with an average depth of 8 ft. What is the estimated soil volume in cubic yards?
What is the primary purpose of a hazardous waste manifest?
Which document legally establishes chain of custody for hazardous waste during transport?
In planning a hazmat project, the site risk assessment is used primarily to determine what?
A contractor is preparing a bid for excavating and hauling contaminated soil. Which cost driver most often separates a hazardous substance removal bid from an ordinary earthwork bid of the same volume?
Title 23 California Code of Regulations Chapter 16 governs which of the following?
Which of the following is a hazardous waste characteristic defined under RCRA?
Hazardous Substance Management
The four RCRA hazardous waste characteristics are:
In RCRA terms, what does corrosivity refer to?
How are hazardous substances most reliably identified at a site?
A sealed drum of unknown waste is found at a site. What is the correct initial action?
On a hazmat site, which zone has the highest level of contamination?
The decontamination line (decon corridor) is located within which site zone?
On a hazmat site, personal belongings and street clothes should be kept in which zone?
What is the primary purpose of air monitoring during hazardous substance site work?
In a hazardous environment where flammable vapors may be present, which type of tool is preferred?
Which equipment is commonly used to remove contaminated soil while protecting the operator?
Heavy equipment used at a hazmat site must be handled how before leaving the site?
Which method is commonly used to prevent or limit migration of contaminated groundwater?
Which is a common remediation system for treating contaminated soil containing volatile organic compounds?
A groundwater pump-and-treat system is used to do which of the following?
In remediation systems, activated carbon (granular activated carbon) is used primarily to do what?
Bioremediation as a hazardous substance treatment works primarily by which mechanism?
Hazardous waste generated at a remediation site must be disposed of where?
A hazardous waste generator in California must obtain which identification number before shipping waste off site?
Under RCRA, a 'listed waste' is which of the following?
The TCLP (Toxicity Characteristic Leaching Procedure) is used to determine which property of a waste?
Waste drums staged at a site should be handled in which manner?
When packaging hazardous waste for transport, how should incompatible wastes be handled?
Which document must accompany a hazardous waste shipment during transport?
In a laboratory report, the LC50 value refers to which of the following?
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