Asher E Keithley,Page Jordan,Christy Muhlen et al.
Asher E Keithley et al.
Lithium (Li) is listed on the U.S. Environmental Protection Agency's fifth Contaminant Candidate List (CCL 5), and its occurrence in drinking water is being quantified under the fifth Unregulated Contaminant Monitoring Rule (UCMR5). Little ...
Perfluoroalkyl Chemical Adsorption by Granular Activated Carbon: Impacts of Source Water Characteristics [0.03%]
全炭吸附全氟烷基化学物质:水源特性的影响
Gulizhaer Abulikemu,Jonathan G Pressman,David G Wahman et al.
Gulizhaer Abulikemu et al.
Water characteristic impacts on granular activated carbon (Filtrasorb 400) adsorption of nine per- and polyfluoroalkyl substances (PFAS) were studied. Multispecies competitive isotherms had lower effective solid phase capacities (q e ) than...
Survey of 226Ra/ 228Ra and Inorganic Constituents in Iowa Private Drinking Water Wells [0.03%]
衣阿华州私人饮用水井中226Ra/228Ra和无机成分的调查研究
Margaret E Carolan,Richard J Langel,Dustin May et al.
Margaret E Carolan et al.
Radium is a naturally-occurring radioactive element found in Upper Midwest aquifers, yet exposure risks for unregulated water sources in this region are unknown. A survey of 226/228Ra and other inorganic constituents in 94 private wells was...
Door Hangers and Incentives Induced Little Participation in Lead Water Pipe Inspections [0.03%]
入户通知和激励措施提高了含铅管道检查的参与度但效果有限
Ludovica Gazze,Heather Klemick,Bryan Parthum et al.
Ludovica Gazze et al.
The Environmental Protection Agency has finalized regulations to require water systems to replace millions of lead pipes with safer alternatives for carrying drinking water into U.S. homes. Before replacing them, water systems must identify...
Predicting per- and polyfluoroalkyl substances removal in pilot-scale granular activated carbon adsorbers from rapid small-scale column tests [0.03%]
快速小型柱测验在试点规模颗粒状活性炭吸附剂中预测消除全氟和多氟烷基物质的研究
Zachary R Hopkins,Detlef R U Knappe
Zachary R Hopkins
Per- and polyfluoroalkyl substances (PFAS) occur widely in drinking water, and consumption of contaminated drinking water is an important human exposure route. Granular activated carbon (GAC) adsorption can effectively remove PFAS from wate...
Lead pipe and lead-tin solder scale formation and structure: A conceptual model [0.03%]
铅管和铅锡焊料垢的形成与结构的概念模型
Vernon L Snoeyink,Min Tang,Darren A Lytle
Vernon L Snoeyink
Lead-tin solder and lead service lines (LSLs) are important sources of lead, and after LSLs are removed, lead-tin solder will remain a major source of lead. A better understanding of the factors that control lead release from solder joints ...
Physical and compositional characteristics of drinking water storage tank sediment [0.03%]
饮用水储存罐沉淀物的物理和成分特征
Darren A Lytle,Christy Muhlen,Scott H Lippitt et al.
Darren A Lytle et al.
Thirty-one drinking water storage tank sediment samples were collected in 13 states, 17 distribution systems, and 29 tanks over the course of 4 years. Sediment samples were characterized for elemental composition and physical properties, wh...
Microelectrode investigation of iron and copper surfaces aged in presence of monochloramine [0.03%]
微电极研究氯胺老化条件下铁铜表面电化学行为差异性
Beatriz C Gonzalez,Jennifer E Liggett,Darren A Lytle et al.
Beatriz C Gonzalez et al.
Ductile iron and copper coupons were aged 137-189 days and 2 days, respectively, with 2 mg Cl2 L-1 monochloramine under four water chemistries (pH 7 or 9 and 0 or 3 mg L-1 orthophosphate). Subsequently, microelectrode profiles of monochlora...
Impact of water quality and operational factors on microcystin removal by powdered activated carbon [0.03%]
粉末活性炭对微囊藻毒素去除的影响:水质和运行因素分析
Matthew T Alexander,Thomas E Waters,Morgan McNeely et al.
Matthew T Alexander et al.
The feasibility of using a 26-1 fractional factorial design to screen the relative importance of six water quality and operational factors in the removal of microcystin-LR (MC-LR) by powdered activated carbon (PAC) was evaluated through jar...
Evaluation of distribution system water quality during a free chlorine conversion [0.03%]
评价从氯胺消毒转换为自由氯消毒的饮用水分配系统水质
Matthew T Alexander,Peyton Woodruff,Jatin H Mistry et al.
Matthew T Alexander et al.
Chloraminated drinking water systems commonly use free chlorine conversions (FCCs) to prevent or control nitrification, but unintended water quality changes may occur, including increased disinfection by-product and metal concentrations. Th...