• Retro-Coat Vapor Intrusion Coating System application achieved compliance with the Los Angeles Regional Water Quality Control Board (LARWQCB) standards for VI mitigation
• Retro-Coat chosen as a low-cost mitigation solution with outstanding chemical resistance that provides aesthetic value to a building’s interior space
• Land Science Certified Applicator, Systems Waterproofing ensured the manufacturer’s specifications were strictly followed

This case study reviews a site where PCE (perchloroethene) was detected in the soil gas beneath a commercial building housing a contemporary art gallery and studio suite in a Los Angeles neighborhood. A Vapor Intrusion Mitigation Plan using Retro-Coat from Land Science was quickly reviewed and approved by LARWQCB.