北亚利桑那州一个社区的饮用水和健康评估
Emily Cooksey1, Marc Verhougstraete1, Sam J Sneed1
1Mel and Enid Zuckerman College of Public Health, University of Arizona, Tucson, AZ, USA.
Human and ecological risk assessment : HERA
|July 28, 2023
概括
亚利桑那州农村的水系统,特别是在霍皮人土地上,在管道水中显示出高含量,造成癌症风险. 对于低剂量污染物混合物暴露需要进一步的健康评估.
科学领域:
- 环境健康 环境健康
- 公共卫生 公共卫生
- 毒理学 毒理学 毒理学
背景情况:
- 亚利桑那州的水资源至关重要,农村系统经常面临金属化物污染,特别是.
- 饮用水中的与严重的健康问题有关,包括各种癌症.
- 小型的农村水系统特别容易受到地下水污染的影响.
研究的目的:
- 评估霍皮人土地上的饮用水质量,重点关注金属化物和消费行为.
- 将检测到的污染物水平与美国环境保护局 (EPA) 的最大污染物水平 (MCL) 进行比较.
- 评估不同水源暴露的癌症和危害风险.
主要方法:
- 在四年内,从76个家庭抽取的水样中分析了28种元素.
- 对的度与EPA的MCL进行比较.
- 计算各种水类的终身癌症和危险系数.
主要成果:
- 市政/管道水中的平均度 (11.01 μg/L) 超过了EPA的MCL (10.0 μg/L).
- 其他检测到的元素和水类仍然低于MCL.
- 管道/市政用水呈现了最高的癌症风险 (每10,000人中有9.96例).
结论:
- 霍皮人土地上的饮用水可能含有多种污染物.
- 管道/市政水源构成了与有关的最重要的健康风险.
- 需要进一步研究慢性低剂量接触污染物混合物的健康影响.
相关概念视频
Quality of Water
126
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...
126
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
Nursing Assessment of the Genitourinary System I: Health History
30
The genitourinary system is critical to maintaining fluid balance, waste elimination, and reproductive function. Nurses play a vital role in assessing this system, beginning with a thorough health history. This process involves gathering patient information, identifying risk factors, and recognizing symptoms of genitourinary disorders. Early detection is vital for timely interventions and management.1. Gathering Patient InformationA complete health history includes the patient’s personal,...
30
Disorder of Water Balance
471
Water balance disorders are medical conditions that occur when there is a deviation from the body's water volume or osmolarity, disrupting normal homeostasis and leading todehydration, hypotonic hydration, hyperhydration, edema, or water intoxication.
Dehydration
Dehydration occurs when the body loses fluids (particularly water).
Causes:
The major causes of dehydration include excessive sweating, fever, vomiting, diarrhea, and diuresis.
Signs and Symptoms:
Symptoms primarily include intense...
Dehydration
Dehydration occurs when the body loses fluids (particularly water).
Causes:
The major causes of dehydration include excessive sweating, fever, vomiting, diarrhea, and diuresis.
Signs and Symptoms:
Symptoms primarily include intense...
471
Nursing Assessment of the Genitourinary System II: Inspection and Palpation
139
The nursing assessment of the genitourinary (GU) system involves a systematic inspection and palpation to identify abnormalities in the kidneys, bladder, and surrounding structures.InspectionMouth: Inspect for signs of kidney dysfunction, such as stomatitis (inflammation of the mouth) and ammonia breath, which may occur in advanced kidney disease due to the buildup of urea, breaking down into ammonia.Skin: Check for pallor, which could indicate anemia caused by kidney disease. Look for...
139
Chronic Kidney Disease IV: Nursing Management
25
Nursing management is essential for preventing complications, maintaining stability, and improving patients' quality of life in chronic kidney disease (CKD). By using a structured approach, nurses help slow CKD progression and support effective patient care.1. Comprehensive patient assessmentEffective management begins with nurses reviewing the patient’s medical history, and identifying key risk factors like diabetes, hypertension, and nephrotoxic drug use. Nurses assess signs of...
25


