Church & Trought Inc. proudly offers the following services for their clients: Government Approvals and Permitting Government Reports Comprehensive Emissions Inventories Stack Testing Ambient Air Sampling In-Plant Air Quality Sampling Design and Installation of Ventilation and Air Pollution Control Systems Odour Assessments Air Dispersion Modelling Environmental Regulatory Compliance Audits Phase I Environmental Site Assessments (Phase I ESA's) Phase II Environmental Site Assessments (Phase II ESA's) Educational Services Site Remediation Health and Safety Inspections Acoustic Assessments/Audits Noise Abatement Plans Acoustic Modelling Technical Peer Review