5. Forensic Chemistry and Toxicology

Emerging Contaminants — Quiz

Test your understanding of emerging contaminants with 5 practice questions.

Practice Questions

Question 1

What best defines contaminants of emerging concern (CECs)?

Question 2

Which criterion is most essential when selecting a surrogate standard for quantitative analysis of emerging contaminants?

Question 3

In water quality monitoring, which sampling method yields contaminant concentrations proportional to water flow over time?

Question 4

Given a calibration curve defined by $y=1500x+0$ (where $y$ is peak area and $x$ is concentration in $\mathrm{\mu g/L}$), what is the analyte concentration if the measured peak area is 3000?

Question 5

Which analytical technique is most effective for separating isomeric novel psychoactive substances with identical accurate masses in mass spectrometry?