CPWM Environmental Compliance 4

Question 1

A public works department operates a municipal solid waste landfill. Under RCRA Subtitle D, the agency must install a landfill gas collection system when methane concentration reaches what threshold at the facility boundary?

Accepted Answer

1.25% methane by volume (25% of LEL)

Answer

RCRA Subtitle D requires landfill gas control when methane reaches 1.25% concentration (25% of the lower explosive limit of 5%) at the facility boundary.

Question 2

The Environmental Justice Executive Order 12898 requires public works agencies to:

Accepted Answer

Identify and address disproportionate environmental impacts on minority and low-income populations

Answer

EO 12898 requires federal agencies and recipients of federal funds to identify and address disproportionately high adverse environmental and health effects on minority and low-income populations.

Question 3

A public works fleet management program can best demonstrate Clean Air Act compliance by implementing which strategy?

Accepted Answer

Maintaining records of diesel particulate filter inspections and replacements

Answer

Documented diesel particulate filter (DPF) maintenance demonstrates compliance with emissions control requirements and provides an audit trail for regulators.

Question 4

Under the Safe Drinking Water Act, a public water system must issue a public notification within 24 hours when it experiences a:

Accepted Answer

Tier 1 violation posing an acute risk to public health

Answer

Tier 1 violations involving acute health risks require public notification within 24 hours, typically via radio, TV, or direct contact for potentially dangerous contamination.

Question 5

Which environmental assessment tool is required for major federal actions significantly affecting the quality of the human environment under NEPA?

Accepted Answer

Environmental Impact Statement (EIS)

Answer

NEPA requires preparation of an Environmental Impact Statement for major federal actions that may significantly affect the human environment, analyzing alternatives and mitigation measures.

(CPWM) Certified Public Works Manager Practice Test

(CPWM) Certified Public Works Manager Practice Test

CPWM Environmental Compliance 4