CTSI delivers comprehensive IAQ and IEQ assessments for organizations seeking to maintain safe, healthy, and compliant indoor environments. Our experienced technical staff conduct building and occupant-focused evaluations to identify indoor air quality concerns, environmental stressors, and potential exposure sources. Our team consists of Certified Industrial Hygienist (CIH) accredited by the Board for Global EHS Credentialing (BGC), Council-certified Indoor Environmental Consultant (CIEC) accredited by the American Council for Accredited Certification (ACAC).

Assessments include symptom-based, odor-related, and nosocomial investigations evaluating biological, chemical, physical, ergonomic, and psychological factors affecting indoor environments.

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Services Include:

• Indoor air quality testing and monitoring
• HVAC system performance and ventilation evaluations
• Particulate, gas, and vapor monitoring
• Temperature, humidity, and dew point assessments
• Microbial and chemical contaminant evaluations
• Occupant complaint investigations
• Compliance with established IEQ guidelines

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CTSI provides full-service asbestos inspection, investigation, and management services for commercial, residential, healthcare, educational, and institutional properties. Our New York State (NYS) Department of Labor (DOL) licensed asbestos inspectors and New York City (NYC) Department of Environmental Protection (DEP) licensed investigators deliver compliant, defensible solutions tailored to renovation, demolition, maintenance, and regulatory requirements.

With experience spanning more than 100 million square feet of asbestos-related projects, CTSI supports clients through every phase of assessment, planning, monitoring, and compliance management.

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Services Include:

• Facility-wide asbestos investigations
• Bulk sampling and laboratory analysis
• Operations & Maintenance (O&M) Plan development
• Asbestos Awareness training for building personnel
• Project specifications and technical drawings
• Air monitoring and project management
• Hazardous materials testing
• Regulatory compliance support

CTSI provides comprehensive environmental sampling and laboratory analysis services to support industrial hygiene investigations, environmental compliance, and risk management initiatives.  

Sampling and analysis are performed in accordance with ASTM, NIOSH, EPA, and applicable regulatory standards.

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Services Include:

• Air sampling and laboratory analysis
• Water quality testing and monitoring
• Soil sampling and environmental analysis
• Particulate and microbial evaluations
• Chemical and toxic substance analysis
• Environmental exposure assessments
• Regulatory documentation and reporting

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CTSI performs hazardous materials sampling and analysis to evaluate environmental conditions, material integrity, and regulatory compliance requirements across construction, renovation, demolition, and facility management projects.

Testing is conducted using industry-standard methodologies and accredited laboratory analysis.

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Services Include:

• Concrete, steel, glass, and cement analysis
• Wood, plastic, and composite material testing
• Soil and environmental materials analysis
• Chemical and microbial contaminant evaluations
• Structural material assessments
• ASTM and EPA-compliant testing protocols

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CTSI provides lead-based paint inspections, risk assessments, and environmental sampling services through EPA-certified lead inspectors and risk assessors. Our industrial hygiene team performs paint chip sampling, XRF testing, dust wipe sampling, and water analysis to identify lead hazards and support regulatory compliance. CTSI supports clients through every phase of assessment, planning, monitoring, and compliance management.

All lead services are conducted in accordance with NYC Department of Health (NYC DOH), NYC Local Law 31, HUD, and EPA requirements.

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Services Include:

• Lead-based paint inspections
• XRF lead testing
• Dust wipe and paint chip sampling
• Water sampling and laboratory analysis
• Risk assessments and exposure evaluations
• Compliance documentation and reporting
• Regulatory consultation and remediation support

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CTSI conducts comprehensive mold and moisture investigations to identify conditions contributing to microbial growth and indoor environmental concerns. Our New York State Department of Labor (NYSDOL) certified mold assessors evaluate building systems, moisture intrusion pathways, and environmental conditions to determine the source and extent of contamination. CTSI supports clients through every phase of assessment, planning, monitoring, and compliance management.

Assessments are designed to support occupant health, environmental compliance, and long-term prevention strategies.

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Services Include:

• Mold inspections and environmental assessments
• Moisture intrusion investigations
• Water dispersion and piping evaluations
• Identification of conditions conducive to mold growth
• Surface and air sampling
• Indoor environmental quality evaluations
• Remediation recommendations and post-remediation verification

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CTSI performs volatile organic compound (VOC) testing and odor investigations to identify airborne chemical contaminants and evaluate potential exposure pathways. VOC analysis helps determine the presence of compounds commonly associated with paints, adhesives, cleaning products, disinfectants, furnishings, and construction materials.

Sampling may be conducted through air, water, and surface media depending on project conditions.

Services Include:

• VOC air sampling and analysis
• Odor investigations and source identification
• Chemical exposure assessments
• Indoor environmental evaluations
• Airborne contaminant monitoring
• Exposure pathway analysis
• Laboratory coordination and reporting

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CTSI provides water management and Legionella risk assessment services for potable and non-potable water systems. Our industrial hygiene and environmental consulting teams assist property owners, healthcare facilities, and facility managers with long-term water quality management and regulatory compliance strategies.

Programs are customized to each facility’s operational requirements and risk profile. All water sampling is conducted in accordance with NYC Local Law 159 that mandates monthly Legionella sampling, EPA water sampling guidelines, CDC ELITE Legionella standards, and local and state regulations.

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Services Include:

• Site-specific water management plans
• Legionella risk assessments
• Full facility water system evaluations
• Cooling tower management support
• Routine inspections and quarterly reviews
• Water sampling and laboratory coordination
• Risk mitigation strategy development
• Documentation and in-house monitoring support

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