Keystone Environmental, LLC

Servicing Wisconsin, Illinois and across the Midwest, Keystone provides consulting and testing services ranging from residential inspections to industrial-scale environmental site assessments and commercial air quality analysis, including: • Phase I Environmental Site Assessments (ESAs), and Phase II ESAs involving soil and ground water remediation projects. • Commercial Indoor Air Quality (IAQ) assessments. • Sampling of domestic water and non-potable (cooling tower) water systems associated with commercial buildings. • Monitoring commercial and residential asbestos abatement projects. Also licensed in inspecting commercial and residential buildings for asbestos containing building materials (ACBMs). • Lead inspections (Inspections/Risk Assessments/Clearances). • Mold assessments and air sampling. Provide commercial remediation companies with air clearance services.