Indoor Air Quality (IAQ) Assessments
NES has extensive experience investigating “sick building syndrome” and “building-related illness” complaints, as well as providing a wide variety of proactive indoor air quality (IAQ) investigation and resolution services. IAQ investigative methodologies utilize standards and protocols developed by professional organizations and regulatory agencies.

Mold and Water Damage Assessments
NES investigates water/moisture pathways to source(s) and conducts moisture testing of building materials. NES conducts indoor and outdoor sampling of these sources using a variety of sampling techniques to determine the type and concentration of airborne fungi and bacteria. Based on the investigation results, our staff assists building owners and operators in interpreting the results and developing remediation protocols and specifications to mitigate microbial contamination.

Industrial Hygiene Assessments
NES has conducted hundreds of industrial hygiene assessments throughout California and across the United States. NES’ team includes Certified Industrial Hygienists, Certified Safety Professionals, Certified Asbestos Consultants, and Mold Specialists. NES can complete testing and monitoring to evaluate employee exposure to potential occupational hazards to determine compliance with regulatory occupational exposure standards. Based on analytical results, and the investigator's observations and interviews with personnel, NES can develop specific recommendations for various exposure control options.

Clandestine Drug Laboratory Assessments
NES is a nationally recognized leader in clandestine drug laboratory safety. NES performs clandestine laboratory assessments to evaluate potential contamination of building materials and contents due to illegal drug production and provide recommendations for effective remediation of impacted structures. NES can also complete post-remediation sampling to verify the success of the work and satisfy local regulatory agency requirements.

Occupational Health & Safety Program Development and Auditing
NES has helped hundreds of clients develop or maintain industrial hygiene and safety programs that comply with federal, state, and local regulations. Program development may include a work site evaluation and/or a regulatory compliance audit. NES also develops a variety of employee training programs customized to meet our client's needs.

Litigation Support and Expert Witness Services
NES has provided litigation support and expert witness testimony on industrial hygiene issues for numerous cases.

Training Services
NES can provide environmental, health and safety training for a variety of topics including mold/water damage, asbestos awareness, confined space entry, respiratory protection, lock-out/tag-out, and numerous others.

Asbestos Consulting Services
NES can provide complete asbestos management and consulting services including building inspections, pre-demolition surveys, abatement oversight, air monitoring, clearance inspections and air sampling. NES can also provide assistance for projects involving Naturally Occurring Asbestos (NOA). Services include preparation of air sampling plans, perimeter air monitoring during earthwork activities, NOA Awareness training and more.