Fundamentals of Environmental Engineering Exam 1: Questions, Answers & Study Guide

Fundamentals of Environmental Engineering Exam 1: Questions,
Answers & Study Guide


What is a carcinogen? - correct answer ✔✔a substance capable of causing cancer in living
tissue.



What is Chronic Toxicity? - correct answer ✔✔It is a low level of exposure over a long period of
time.



What is acute toxicity? - correct answer ✔✔Results from a single exposure or several exposures
over a short period of time (<24 hr.)



What are the 4 steps in EPA's Risk Assessment? - correct answer ✔✔1. Data Collection

2. Toxicity Assessment

3. Exposure Assessment

4. Risk Characterization



A 1-year-old child and an adult ingest a contaminant through drinking water every day for a
duration of 1 year. Assume the averaging time is the same for the child and adult. Is the child at
greater risk from ingesting the contaminant? - correct answer ✔✔Yes, the child is at greater risk
from ingesting the contaminant.



List 2 codes of ethics in an Environmental Engineering practice? - correct answer ✔✔Engineers,
in the fulfillment of their professional duties, shall

1. Hold paramount the safety, health and welfare of the public.

2. Perform services only in areas of their competence, and avoid deceptive acts.