For over 25 years, RTK Environmental Group, LLC, has provided environmental testing and consulting services to more than 35,000 commercial and residential customers. We are a trusted leader in unbiased testing of mold, lead, asbestos, water, soil, radon, soot, and VOCs, and also provide abatement and remediation planning, management, and environmental consulting. RTK serves areas throughout the Tri-State, including New York, Connecticut, and New Jersey. Because RTK conducts only testing and does not remediate, customers are assured there is no conflict of interest.