Test Yourself
What Do You Know About the Lead and Copper Rule Revisions? Donna Kaluzniak
1. P er Title 40, Part 141 of the Code of Federal Regulations (40 CFR 141), Subpart I, Control of Lead and Copper, the requirements of this subpart are effective on what date? a. b. c. d.
J uly 1, 2020 Dec. 16, 2021 J uly 1, 2022 Dec. 31, 2022
2. P er 40 CFR 141, Subpart I, to which water systems does this subpart apply? a. A ll water systems b. Community water systems only c. C ommunity water systems and noncommunity, nontransient water systems d. Community water systems and transient water systems 3. P er 40 CFR 141, Subpart I, when must water systems comply with the requirements of this subpart? a. b. c. d.
D ec. 31, 2022 Dec. 31, 2023 O ct. 16, 2023 Oct. 16, 2024
4. P er 40 CFR 141, Subpart I, the lead trigger level is exceeded if the 90th percentile concentration of lead is greater than a. b. c. d.
µg/L. 5 8 µg/L. 1 0 µg/L. 1 5 µg/L.
5. P er 40 CFR 141, Subpart I, the copper action level is exceeded if the 90th percentile concentration of copper is greater than a. b. c. d.
1.0 mg/L. 1.3 mg/L. 1 .8 mg/L. 2.0 mg/L.
6. P er 40 CFR 141, Subpart I, by what date must water systems develop a lead service line inventory and replacement plan? a. b. c. d.
Dec. 31, 2023 Dec. 31, 2024 O ct. 16, 2023 Oct.16, 2024
7. P er 40 CFR 141, Subpart I, all water systems with lead service lines must begin the first standard monitoring period on January 1 or July 1 in the year following a. b. c. d.
Dec. 31, 2023, whichever is sooner. Dec. 31, 2024, whichever is sooner. O ct.16, 2024, whichever is sooner. June 30, 2024, whichever is sooner.
8. P er 40 CFR 141, Subpart I, water systems that serve more than 10,000 persons whose 90th percentile lead level from tap samples is above the lead trigger level, but at or below the lead action level, must conduct a. a revised lead service line inventory. b. goal-based full lead service line replacement. c. m andatory full lead service line replacement. d. partial lead service line replacement.
28 March 2022 • Florida Water Resources Journal
9. P er 40 CFR 141, Subpart I, all community water systems must conduct directed public education and lead monitoring at the schools and child care facilities they serve if those schools or child care facilities were constructed prior to the date the state adopted leadfree standards or a. b. c. d.
J an. 1, 2014. Jan. 1, 2000. J an. 1, 1996. Jan. 1, 1989.
10. P er 40 CFR 141, Subpart I, what percentage of elementary schools and child care facilities must be sampled each year until all facilities have been sampled? a. b. c. d.
percent 5 10 percent 2 0 percent 25 percent Answers on page 62
References used for this quiz: • « Code of Federal Regulations, Title 40 Part 141 (40 CFR 141) h ttps://www.ecfr.gov/current/title-40/ chapter-I/subchapter-D/part-141
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
