allowable concentration

简明释义

容许浓度;

英英释义

例句

1.The allowable concentration of mercury in fish is strictly regulated to protect consumers.

鱼类中汞的允许浓度受到严格监管，以保护消费者。

2.The laboratory report indicated that the allowable concentration of lead in drinking water is 15 parts per billion.

实验室报告指出，饮用水中铅的允许浓度为每十亿份15个部分。

3.The environmental agency set the allowable concentration of pollutants in the air to improve public health.

环境机构设定了空气中污染物的允许浓度以改善公共健康。

4.Before applying the pesticide, check the allowable concentration to avoid harming beneficial insects.

在使用农药之前，请检查其允许浓度以避免伤害有益昆虫。

5.Manufacturers must ensure that the allowable concentration of chemicals in their products meets safety standards.

制造商必须确保其产品中化学物质的允许浓度符合安全标准。

作文

In the realm of environmental science and public health, the term allowable concentration plays a crucial role in assessing the safety of various substances in our surroundings. The allowable concentration refers to the maximum level of a particular substance that is permitted in a given environment, such as air, water, or soil, without posing significant health risks to humans and ecosystems. This concept is essential for regulatory agencies, industries, and researchers who aim to maintain safe and healthy living conditions. For instance, consider the case of air pollution. Regulatory bodies like the Environmental Protection Agency (EPA) set allowable concentration limits for pollutants such as carbon monoxide, sulfur dioxide, and particulate matter. These limits are determined based on extensive scientific research that evaluates the impact of these pollutants on human health. If the concentration of a pollutant exceeds its allowable concentration, it may lead to adverse health effects, including respiratory issues, cardiovascular diseases, and even premature death. Therefore, monitoring air quality and ensuring that pollutant levels remain below the allowable concentration is vital for public health.Similarly, in the context of drinking water, the allowable concentration of contaminants such as lead, arsenic, and nitrates is strictly regulated. The Safe Drinking Water Act in the United States establishes allowable concentration limits for various harmful substances to protect consumers from potential health hazards. Water treatment facilities must regularly test for these contaminants to ensure that their levels do not exceed the allowable concentration. Failure to do so can result in serious health consequences for the population served by these facilities.Moreover, the concept of allowable concentration extends beyond environmental concerns to industrial applications as well. In workplaces where hazardous chemicals are used, occupational safety standards dictate the allowable concentration of these substances in the air. For example, the permissible exposure limit (PEL) for certain chemicals ensures that workers are not exposed to harmful levels that could jeopardize their health over time. Employers are responsible for monitoring and controlling the exposure levels to ensure they remain within the allowable concentration limits.Understanding the significance of allowable concentration is critical for everyone, from policymakers to the general public. It emphasizes the importance of maintaining a balance between industrial activities and environmental protection. As we continue to face challenges related to pollution and chemical exposure, adhering to allowable concentration guidelines will be vital in safeguarding both human health and the environment.In conclusion, the term allowable concentration serves as a key benchmark in evaluating the safety of various substances in our environment. Whether in air, water, or workplace settings, understanding and adhering to these limits is crucial for protecting public health and ensuring a sustainable future. By prioritizing the maintenance of allowable concentration levels, we can work towards a healthier planet for generations to come.

在环境科学和公共卫生领域，术语允许浓度在评估我们周围各种物质的安全性方面发挥着至关重要的作用。允许浓度指的是在特定环境中（如空气、水或土壤）允许的某种物质的最大水平，而不会对人类和生态系统造成显著健康风险。这个概念对监管机构、工业界和研究人员至关重要，他们旨在维持安全和健康的生活条件。例如，考虑空气污染的案例。像环境保护署（EPA）这样的监管机构为一氧化碳、二氧化硫和颗粒物等污染物设定了允许浓度限制。这些限制是基于广泛的科学研究确定的，这些研究评估了这些污染物对人类健康的影响。如果某种污染物的浓度超过其允许浓度，可能会导致不良健康影响，包括呼吸问题、心血管疾病甚至过早死亡。因此，监测空气质量并确保污染物水平保持在允许浓度以下对于公共健康至关重要。同样，在饮用水的背景下，铅、砷和硝酸盐等污染物的允许浓度受到严格监管。美国的《安全饮用水法》为各种有害物质建立了允许浓度限制，以保护消费者免受潜在健康危害。水处理设施必须定期检测这些污染物，以确保其水平不超过允许浓度。如果未能做到这一点，可能会对这些设施服务的人口造成严重的健康后果。此外，允许浓度的概念还扩展到工业应用。在使用危险化学品的工作场所，职业安全标准规定了空气中这些物质的允许浓度。例如，某些化学品的允许暴露限值（PEL）确保工人不会接触到可能危及其健康的有害水平。雇主有责任监测和控制暴露水平，以确保它们保持在允许浓度限制以内。理解允许浓度的重要性对每个人都至关重要，从政策制定者到普通公众。它强调了在工业活动与环境保护之间保持平衡的重要性。随着我们继续面临与污染和化学暴露相关的挑战，遵守允许浓度指南对于保护人类健康和环境将是至关重要的。总之，术语允许浓度作为评估我们环境中各种物质安全性的关键基准。无论是在空气、水还是工作场所环境中，理解和遵守这些限制对于保护公共健康和确保可持续未来至关重要。通过优先维护允许浓度水平，我们可以为子孙后代创造一个更健康的星球。