Technical Document Review: Indoor and Ambient Air Sampling and Analysis Plan
OLD MILLTOWN MALL
EDMONDS, SNOHOMISH COUNTY, WASHINGTON
March 31, 2003
Washington State Department of Health
Under a Cooperative Agreement with the
Agency for Toxic Substances and Disease Registry
TABLE OF CONTENTS
- Occurring over a short time.
- Agency for Toxic Substances and Disease Registry (ATSDR):
- The principal federal public health agency involved with hazardous waste issues, responsible for preventing or reducing the harmful effects of exposure to hazardous substances on human health and quality of life. ATSDR is part of the U.S. Department of Health and Human Services.
- Occurring over a long time (more than 1 year).
- Comparison value (CV):
- Calculated concentration of a substance in air, water, food, or soil that is unlikely to cause harmful (adverse) health effects in exposed people. The CV is used as a screening level during the public health assessment process. Substances found in amounts greater than their CVs might be selected for further evaluation in the public health assessment process.
- A substance that is either present in an environment where it does not belong or is present at levels that might cause harmful (adverse) health effects.
- Contact with a substance by swallowing, breathing, or touching the skin or eyes. Exposure may be short-term (acute), of intermediate duration, or long-term (chronic).
- Hazardous waste:
- Potentially harmful substances that have been released or discarded into the environment.
- Model Toxics Control Act (MTCA):
- The hazardous waste clean-up law for Washington State.
- Compounds composed of carbon, including materials such as solvents, oils, and pesticides which are not easily dissolved in water.
- U.S. Environmental Protection Agency (EPA):
- Established in 1970 to bring together parts of various government agencies involved with the control of pollution.
- Volatile organic compounds (VOCs):
- Organic compounds that evaporate readily into the air. VOCs include substances such as benzene, toluene, methylene chloride, and methyl chloroform.