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Vapor Intrusion: A Hidden Danger


Unknown to building occupants unseen chemical contaminants may be in the air you breathe.

As public awareness has increased, the issue of vapor intrusion in buildings has become a significant environmental concern for building occupants, regulators and industry leaders. According to the EPA, the potential health issues vary and are dependent upon the types of chemicals and concentrations of the chemicals as well as the length of the exposure and the overall health of those that are exposed.

On the lower end of the spectrum, these exposures can range from minor irritations like headaches or nausea to more significant problems like chronic disease or, in some extreme cases, even cancer.

In general, vapor intrusion is defined as a gaseous substance emanating from petroleum products or chemicals which seep through cracks in foundations or sewer lines. When left unchecked, these vapors can concentrate to a point that the risks become more significant. Additionally, many experts also believe that that radon sampling should also be conducted at this time as the data can be utilized to evaluate the movement of soil gas through building foundations.

When investigating vapor intrusion cases Volatile Organic Compounds (VOCs) are commonly requested and include an array of compounds. Common sampling procedures include utilizing devices such as 6-liter Summa™ canisters. This method allows for rapid laboratory analysis at a reasonable cost and with excellent turnaround times. LA Testing in Los Alamitos is proud to be on the forefront of this analytical method.

“LA Testing is pleased to be able to offer vapor intrusion testing services to our clients,” reported Ben Sublasky, National Director of Client Services for EMSL Analytical and LA Testing. “Our laboratories have continued to stay on the cutting edge of analytical requests from our clients.”

LA Testing operates laboratories in Los Alamitos and Pasadena, California. The laboratories are staffed with some of the industry’s most respected scientists who utilize state-of-the-art equipment to provide laboratory answers to clients’ questions.

About LA Testing and EMSL Analytical, Inc.
LA Testing and EMSL Analytical are providers of environmental testing services and products. The company has an extensive list of accreditations from leading organizations as well as state and federal regulating bodies.

To learn more please visit: or, contact LA Testing at (800)755-1794 or


 Vapor Intrusion
 Environmental Laboratory

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