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California Homes Tested for the Presence of TCE and PERC

LA Testing provides vapor intrusion analytical services to identify trichloroethylene (TCE) and tetrachloroethylene (PERC) in homes and buildings.

Huntington Beach, CA – WEBWIRE
LA Testing Laboratory Locations
LA Testing Laboratory Locations

Recently, the San Gabriel Valley Tribune published a report about extensive indoor air testing that is being conducted by the U.S. Environmental Protection Agency (EPA). According to the article, over 100 residential homes, commercial properties and recreational facilities have been tested for chemical contaminants in the El Monte and South El Monte areas.

All of the testing is due to concerns of chemicals migrating into the air inside of overlying homes and buildings near the San Gabriel Area 1 Superfund Site. These chemicals include tetrachloroethylene (PERC) and trichloroethylene (TCE). The EPA has reported that at least five properties have had treatment systems installed following the tests.

TCE is a type of volatile organic compound (VOC) that was used mainly as a solvent to remove grease from metal parts and was also found in some adhesives, paint removers and spot removers. It breaks down slowly in soil and water and has been found in numerous contaminated underground water sources and surface waters across the country.

PERC is a colorless liquid chemical that was used for dry cleaning, as a chemical intermediate, metal degreaser and as a component of some consumer products. The Department of Health and Human Services (DHHS) has determined that tetrachloroethylene may reasonably be anticipated to be a carcinogen and the International Agency for Research on Cancer has classified it as a Group 2A carcinogen.

“Back in 1988, California designated both TCE and PERC under Prop 65 as known to cause cancer,” said Michael Chapman, Laboratory Manager of LA Testing’s Huntington Beach facility. “The indoor air quality of a structure can be impacted by these chemicals if vapor intrusion occurs, putting building occupants at risk. To help identify vapor intrusion and exposure concerns due to TCE, PERC and other potentially hazardous chemicals, LA Testing offers comprehensive laboratory services and all of the required sampling supplies.”

To learn more about testing for TCE, PERC or other air, water, soil or vapor intrusion issues, please visit, email  or call (800) 755-1794. 

About LA Testing

LA Testing is California’s leading laboratory for air quality testing of asbestos, mold, lead, VOCs, formaldehyde, soot, char, ash and smoke damage, particulates and other chemicals. In addition, LA Testing offers a full range of air sampling and investigative equipment to professionals and the general public. LA Testing maintains an extensive list of accreditations including: AIHA LAP LLC., AIHA ELLAP, AIHA EMLAP and AIHA IHLAP, NVLAP, CDC ELITE, State of California, State of Hawaii Department of Health and other states. LA Testing, along with the EMSL Analytical, Inc. network, has multiple laboratories throughout California including Huntington Beach, San Diego, San Leandro, Sierra Madre and South Pasadena.

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