来自私人井的饮用水测试结果的沟通:设计报告背后的材料,以促进理解
Sarah Yelton1, Andrew George1, Martha Scott Tomlinson2
1Institute for the Environment, University of North Carolina at Chapel Hill.
Journal of environmental health
|August 25, 2023
概括
图片回报材料有效地传达了井水和土壤中有毒金属的存在. 基于图形的结果,特别是联邦标准,有助于参与者理解和健康保护行动.
科学领域:
- 环境健康 环境健康
- 风险沟通风险沟通是什么
- 公共卫生 公共卫生
背景情况:
- 私人井水和土壤受到有毒金属的污染对公众健康构成重大风险.
- 环境监测结果的有效沟通对于促进保护健康的行动至关重要.
- 基于图形 (图像) 的回报材料为改善风险沟通提供了潜在的途径.
研究的目的:
- 评估基于图形的回报材料在传达私人井水和土壤中有毒金属存在的有效性.
- 探索回报材料中的建议与研究参与者采取的健康保护行动之间的关联.
主要方法:
- 一项涉及北卡罗来纳州斯托克斯县39名居民的环境监测试点研究包括对水和土壤进行测试.
- 参与者获得了以图形为基础的材料,详细说明了样本中有毒金属的存在.
- 一组14名参与者回应了后续评估,评估了理解和行动.
主要成果:
- 许多参与者发现他们测试结果的至少一个组成部分"非常容易理解".
- 对于具有联邦最大污染物水平 (MCL) 的污染物,参与者对结果的回忆更准确.
- 这项研究表明,图像格式与详细文本相结合,可以突出可操作的结果.
结论:
- 基于图形的回报材料有效地传达环境样本中有毒金属的存在.
- 联邦标准的存在有助于参与者回忆和理解环境监测结果.
- 当图像格式与文本相补充时,可以有效地引导个人采取必要的健康保护行动.
相关概念视频
Testing Water Quality
136
When the quality of water for concrete preparation is uncertain, its impact on the setting time of cement and compressive strength of mortar is assessed by comparison with de-ionized or distilled water benchmarks. American Society for Testing and Materials (ASTM) C1602 requires the setting times to be within 90 minutes of the control, British Standard (BS) 3146:1980 allows a 30-minute variance in the initial setting, while British Standards European Norm (BS EN) 1008 specifies initial setting...
136
Quality of Water
125
In concrete preparation, the quality of water is paramount as it affects the strength and durability of the concrete. Potable water is usually preferred; however, it must not have excessive sodium or potassium to prevent compromising the concrete's integrity. Water quality is typically evaluated based on impurities such as dissolved solids, chlorides, and sulfates, and its pH value is ideally between 6 and 8. Even slightly acidic natural water may be acceptable unless it contains harmful...
125
Design Example: Managing Concrete Workability
101
This example deals with managing the workability of concrete for a raft foundation project under hot weather conditions. Workability is crucial for ensuring the concrete is easy to place, compact, and finish. In this scenario, a slump test — a common method to measure the workability of fresh concrete — initially indicated low workability. This was attributed to the rapid water loss from the concrete mix, exacerbated by the high temperatures causing the course aggregates to heat up.
101
Types of Reports I: Hands-off Report
940
A hand-off report, also known as a change-of-shift report, is a crucial nursing process that ensures the smooth transition of patient care responsibilities between nursing staff.
Following are the key components and categories of hand-off reports:
Purpose and Process:
Following are the key components and categories of hand-off reports:
Purpose and Process:
940
Acid–Base Titration: Overview
10.6K
An acid-base titration is a technique used to determine the concentration of an unknown acid or base, using a titrant of known concentration–either a base for acid titration or an acid for base titration. The process involves gradually adding the titrant, leading to a predictable change in the pH of the solution. This change is plotted on a titration curve, showing how a solution's pH varies with the amount of titrant added. Such curves are instrumental in monitoring the...
10.6K
Complexometric Titration: Overview
7.3K
Complexometric titration involves the formation of a complex by reacting a metal ion with one or more ligands. A visual indicator often detects the end point of a complexometric titration. It is added to the metal solution before the titration, forming a stable metal–indicator complex and imparting color to the solution. As the titration approaches the equivalence point, the excess of the added ligand displaces the indicator from the metal–indicator complex, releasing the free...
7.3K


