Related Experiment Video
Updated: May 11, 2026
08:08
Rearing the Cabbage White Butterfly (Pieris rapae) in Controlled Conditions: A Case Study with Heavy Metal Tolerance
Published on: August 18, 2023
Environmental lead exposure risks associated with children's outdoor playgrounds.
Mark Patrick Taylor1, Danielle Camenzuli, Louise Jane Kristensen
1Environmental Science, Department of Environment and Geography, Faculty of Science, Macquarie University, North Ryde, Sydney, NSW 2109, Australia. mark.taylor@mq.edu.au
Environmental Pollution (Barking, Essex : 1987)
|May 7, 2013
Summary
Lead smelter emissions in Port Pirie significantly contaminate children's playgrounds, increasing lead exposure risks. This study links smelter dust to childhood lead poisoning, affecting one child every three days.
Area of Science:
- Environmental Health
- Toxicology
- Pediatrics
Background:
- Port Pirie, South Australia, faces environmental challenges due to lead smelter operations.
- Children's public playgrounds are potential sites for exposure to environmental contaminants.
Purpose of the Study:
- To assess lead exposure risks for children at public playgrounds near a lead smelter.
- To identify the source and quantify the impact of lead smelter emissions on playground contamination.
Main Methods:
- Measured lead and metal concentrations in air, soil, and surface dust.
- Analyzed pre- and post-play hand wipes from children.
- Correlated environmental lead levels with hand wipe contamination.
Main Results:
- Playgrounds nearer the smelter showed significantly higher lead contamination.
- Post-play hand wipes had substantially higher lead levels than pre-play wipes.
- Increased air lead correlated with higher lead dust on surfaces and hands.
Conclusions:
- Lead smelter emissions are the primary source of playground contamination and childhood lead poisoning.
- The contamination poses a significant public health risk, leading to approximately one case of childhood lead poisoning every three days.
Related Concept Videos
01:36Types of Toxins
Humans continually engage with an environment rich in potentially harmful chemicals. These are introduced to our bodies through inhalation, ingestion, or skin contact. These chemicals exist in various forms, such as air and environmental pollutants, agricultural chemicals, organic solvents, and heavy metals.
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
01:30Attention-Deficit/Hyperactivity Disorder
Attention-deficit/hyperactivity disorder (ADHD) is a neurodevelopmental disorder characterized by persistent inattention, hyperactivity, and impulsivity. It affects approximately 5-8% of children globally, with around 60-70% of cases persisting into adulthood. ADHD has significant implications for educational attainment, social interactions, and occupational success.
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings.
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings.
01:29Environmental Influences on Intelligence
Despite the strong genetic influence on traits like intelligence, environmental factors significantly shape outcomes. For example, while over 90% of height variation is due to genetic differences, environmental factors such as nutrition also have a notable impact. Similarly, for intelligence, changes in a child's surroundings can significantly alter their IQ. Research shows that enriched environments boost children's academic success and help them develop key cognitive skills. Children from...
01:26Toxic Reactions: Overview
When toxic substances penetrate the human body, they disseminate to various tissues, undergoing metabolic changes. This process yields reactive metabolites that may covalently bind with specific target molecules, resulting in toxicity.
Toxicity falls into two primary categories: local and systemic.
Local toxicity appears at the exposure site, such as protein denaturation caused by caustic substances.
In contrast, systemic toxicity requires the toxic agent's absorption and distribution,...
Toxicity falls into two primary categories: local and systemic.
Local toxicity appears at the exposure site, such as protein denaturation caused by caustic substances.
In contrast, systemic toxicity requires the toxic agent's absorption and distribution,...
01:27The Periodic Table and Organismal Elements
Elements are the smallest units of matter that cannot be broken down further by chemical processes. There are 118 known elements, but not all of these are naturally occurring, and only a few of them are essential for life. Living matter is composed primarily of carbon, nitrogen, hydrogen, and oxygen, with smaller amounts of other elements like calcium, phosphorus, potassium, and sulfur. Other elements are also necessary for life but only in trace amounts.
Periodic Table Provides Information...
Periodic Table Provides Information...
01:20Gene-Environment Interactions
Gene expression is a dynamic process that is significantly influenced by environmental factors. This interaction underlies the complex nature of biological development and the phenotypic differences observed among individuals, even among those with identical genetic makeups. Factors such as radiation, temperature, behavior, nutrition, and stress play pivotal roles in determining how genes are expressed. The concept of the reaction range is central to understanding this interaction. It posits...