Test Yourself
What Do You Know About Unregulated Contaminant Monitoring? 4. P er the EPA Monitoring Unregulated Drinking Water Contaminants website, all laboratories conducting analyses for the UCMR must be approved by
Donna Kaluzniak
1. P er the Environmental Protection Agency (EPA) website, Monitoring Unregulated Drinking Water Contaminants, EPA uses the Unregulated Contaminant Monitoring Rule (UCMR) to collect data for contaminants that are known or suspected to be present in drinking water and
a. a re regulated by the National Primary Drinking Water Regulations (NPDWR). b. d o not have health-based standards set under the Safe Drinking Water Act (SDWA). c. h ave health-based standards set under the SDWA. d. have no potential health effects on the population. 2. P er the EPA Monitoring Unregulated Drinking Water Contaminants website, the UCMR establishes a program to monitor for priority unregulated contaminants in drinking water every five years. Which public water systems (PWS) must conduct the monitoring? a. A ll systems b. All systems serving 3,300 people and greater and a representative sample of systems serving under 3,300 people c. O nly systems serving 3,300 people and greater d. Only systems serving 10,000 people and greater 3. P er Revisions to the Unregulated Contaminant Monitoring Rule for the Fifth Monitoring Cycle (UCMR 5): Public Meeting and Webinar (UCMR 5 Public Meeting), the SDWA requires EPA to establish a list of contaminants that are not subject to any NPDWR, known or anticipated to occur in PWS, and may require regulation. This is called the
a. b. c. d.
ontaminant Candidate List (CCL). C Contaminant Priority List (CPL). M onitoring Cycle List (MCL). Unregulated Contaminant Monitoring List (UCML).
a. b. c. d.
a state environmental regulatory agency. a state public health agency. E PA. the National Environmental Laboratory Accreditation Center.
5. P er the Unregulated Contaminant Monitoring Rule 5 Public Meeting, who funds the costs for sampling and analysis for PWS serving 10,000 people and less? 6.
a. b. c. d.
EPA T he state environmental regulatory agency The state public health department PWS
er Revisions to the Unregulated Contaminant P Monitoring Rule 5 for Public Water System Fact Sheet (UCMR 5 Fact Sheet), the 30 contaminants proposed for the fifth UCMR (UCMR 5) include 29 per- and polyfluoroalkyl substances (PFAS) and a. b. c. d.
ibromoacetonitrile. D Haloacetonitriles. Legionella pneumophila. Lithium.
7. P er the EPA Monitoring Unregulated Drinking Water Contaminants website, the proposed UCMR 5 was published on March 11, 2021. The UCMR 5 would require a sample collection for 30 chemical contaminants between what years?
a. b. c. d.
2 021 and 2023 2022 and 2026 2 022 and 2024 2023 and 2025
8. P er the UCMR 5 Public Meeting, where are the sampling points for the proposed UCMR 5?
a. b. c. d.
Entry point to the distribution systems Entry point to the treatment facility Every source water entry point Multiple locations throughout the distribution system
36 January 2022 • Florida Water Resources Journal
9. P er the UCMR 5 Public Meeting, what is the sampling frequency for surface water systems (including those using groundwater under the direct influence of surface water) during their year of sampling?
a. b. c. d.
Monthly F our times per year (about every three months) Three times per year (about every four months) Twice per year (five to seven months apart)
10. P er the EPA Monitoring Unregulated Drinking Water Contaminants website, who is responsible for posting the analytical results to the EPA webbased Safe Drinking Water Accession and Review System (SDWARS)?
a. L aboratories that performed the sample analysis b. PWS c. State environmental regulatory agency d. State public health agency Answers on page 62
References used for this quiz: • U.S. Environmental Protection Agency (EPA), Monitoring Unregulated Drinking Water Contaminants webpage: https://www.epa.gov/dwucmr • U.S. EPA, Revisions to the Unregulated Contaminant Monitoring Rule for the Fifth Monitoring Cycle (UCMR 5): Public Meeting and Webinar: https://www.epa.gov/system/files/documents/202109/815a21001.pdf • U.S. EPA, Revisions to the Unregulated Contaminant Monitoring Rule (UCMR 5) for Public Water System Fact Sheet (UCMR 5 Fact Sheet) https://www.epa.gov/sites/default/files/2021-01/ documents/ucmr5-proposal-factsheet-draft.pdf
Send Us Your Questions Readers are welcome to submit questions or exercises on water or wastewater treatment plant operations for publication in Test Yourself. Send your question (with the answer) or your exercise (with the solution) by email to: donna@h2owriting.com
