ACS CP ACS CP Environmental Chemistry & Sustainability 3

Question 1

Resource Conservation and Recovery Act (RCRA) regulates which category of waste?

Accepted Answer

Solid and hazardous waste from generation to disposal

Answer

RCRA provides a framework for the proper management of hazardous and non-hazardous solid waste from generation, transportation, treatment, storage, and disposal.

Question 2

In environmental sampling, 'chain of custody' documentation is important because it:

Accepted Answer

Ensures samples remain legally defensible and uncontaminated between collection and analysis

Answer

Chain of custody documents every transfer of custody of a sample, ensuring its integrity is maintained and the data is legally admissible in enforcement actions.

Question 3

Which process describes the increase in concentration of a persistent pollutant at each successive trophic level in a food chain?

Accepted Answer

Biomagnification

Answer

Biomagnification refers to the increasing concentration of a substance such as a toxic chemical in the tissues of organisms at successively higher levels in a food chain.

Question 4

The primary purpose of a Material Safety Data Sheet (SDS/MSDS) Section 6 is to provide:

Accepted Answer

Accidental release measures and spill cleanup procedures

Answer

Section 6 of the GHS-format SDS covers accidental release measures, including personal precautions, protective equipment, emergency procedures, and methods for containment and cleanup.

Question 5

Which analytical technique is most commonly used for measuring trace metal concentrations in environmental water samples?

Accepted Answer

Inductively coupled plasma mass spectrometry (ICP-MS)

Answer

ICP-MS provides ultra-trace detection of metals at parts-per-trillion levels and is the standard method for multi-element analysis of environmental water samples.

(ACS CP) American Chemical Society (ACS) Certified Professional Practice Test

(ACS CP) American Chemical Society (ACS) Certified Professional Practice Test

ACS CP ACS CP Environmental Chemistry & Sustainability 3