Which three of the following are examples of administrative actions by regulator

Question

Which three of the following are examples of administrative actions by regulators that facilitate the process of developing a brownfield site? a. Issuing a comfort letter b. Allow some residual contamination that poses no risks to human health c. State that no Phase 1 ESA should be performed d. Provide a covenant not to sue e. Enter the site into the CERCLIS database. Which three of the following compounds are typical degradation products of tetrachloroethylene: a. Trichloroethylene b. Chloroform d. Vinyl chloride e. Methyl chloride f. Dichloroethylene Which three of the following are among the defining attributes of RCRA hazardous materials: a. Volatility b. Toxicity c. Permeability d. Ignitability e. Reactivity f. Degradability Which three of the following were chosen as part of the preferred remedy for the Peninsula Boulevard site: a. Air sparging with soil-vapor extraction b. Institutional controls c. Permeable reactive barriers d. In-situ bioremedia

Explanation / Answer

5.

Examples of administrative actions are entering the site into CERCILUS database , provide a covenant and issuing a comfort letter.

Hence, options a,d and e were correct.

6.

Degradation products of tetrachloroethylene are trichloroethylene, dichloethylene and poly vinil chloride.

Hence, options a,d and f were correct.

7.

Attributes of RCRA hazardous materials are as follows.

Ignitability

Corrosivity

Reactivity

Toxicity

So b, d and e were correct options.

8.

A, d and e were correct

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