Environmental and Engineering Services
NIS provides environmental and engineering services to government and industry.  Our team of licensed engineers, and environmental professionals have years of experience and expertise in evaluation, materials testing, construction inspections, and environmental consulting.

Our Environmental Services: Our Environmental Services competencies encompass industrial hygiene, site assessments, indoor air quality, lead based paint inspections and risk assessments, abatement monitoring and program management.

• Phase I, II ESA
• Code Compliance
• Lead Paint Inspections and Risk Assessments
• Site Investigation/Feasibility Studies

Material Testing: NIS provides soil, concrete and aggregate materials testing.  Our licensed engineers provide professional advice and technical support to include:

• Air Content Determination
• Atterberg Limits
• Compressive Strength Testing
• Evaluation of Aggregates
• Grout and Mortar
• Moisture Content
• Proctor Analysis
• Sieve Analysis

Construction Inspections:  Our WACEL certified inspectors perform a variety of construction inspection and construction monitoring services, including:

• Concrete – Slump, Air Content, Temp.
• Vibration Monitoring and Analysis
• Footing and Foundation Inspections
• Steel Re-enforcement Inspections
• Traffic Control Device Inspections
• Erosion and Sediment Control
• Frost Penetration Inspections