CHL has more than 50 years of combined fluorescent dye tracing experience specializing in karst landscapes as well as non-karst applications.
We offer cost-effective options tailored to individual project needs with
scientific integrity and rigorous quality assurance.
We are an industry leader in groundwater tracing and have worked with
clients and partners in 36 states and 12 countries. Our clientele
includes federal and state agencies, municipalities, non-profits,
environmental engineers, and geotechnical firms.
