indoor air quality consulting Articles

  • Indoor Air Quality Complaint Response

    Hygieneering’s Industrial Hygiene department recently responded to Indoor Air Quality concerns by occupants in a hospital following a localized fire within their building.  The response including conducting air sampling for potential contaminants associated with the fire and an evaluation of remediation efforts.  Recommendations were provided to change air flow patterns to better ...


    By Hygieneering, Inc.

  • Indoor air quality and mold case study

    Service(s) performed: Indoor air quality and mold management services Summary: EFI Global has provided indoor air quality and asbestos abatement services to numerous school districts and universities nationwide. At a public educational system with 7 campuses totaling over 5 million square feet, our environmental professionals performed comprehensive indoor ...


    By EFI Global, Inc.

  • Vapor intrusion and indoor air quality due diligence during property transactions

    Vapor intrusion (i.e. the migration of volatile chemicals from contaminated soil and/or ground water through the subsurface into overlying building structures) as a contributing indoor air has become a growing concern for property owners and prospective purchasers in recent years as it can cause significant indoor air quality problems. This is largely due to the increased focus on this issue by ...

  • Mold Remediation Guidance For Indoor Environment

    Remediation contractors are generally very conscientious, trying hard to bring each project to a condition where it will pass “clearance  testing” (the  Post-Remediation  Verification  [PRV] inspection) on the first try. Sometimes the cleaning attempts are unsuccessful. This will certainly cost the contractor additional cleaning ...

  • Tips for Facility Managers Tasked with Mitigating Indoor Allergy Complaints

    When an employee comes to work and develops allergy symptoms that improve or go away once they leave their work environment, it is often a good indication that there are indoor allergens in the building.  Once an employee recognizes that this is likely the case, they will often speak to their supervisor or human resources department to share their concerns.  At this time, in many ...


    By Cochrane & Associates, LLC

  • IAQ Consultants Encouraged to Review their E&O Insurance

    Errors & omissions (E&O) insurance, also known as professional liability insurance (PLI) and professional indemnity insurance (PII) is a crucial form of coverage for professionals dealing with indoor air quality (IAQ) consulting services.  E&O insurance helps to protect IAQ consultants who provide advice and services from the full cost of defending against negligence claims and ...

  • Canarina DISPER Software · air pollution · algorithms 2

      Software · air pollution · algorithms 2   Symbol / Definition Ly= Initial plume length for Schulman-Scire downwash sources ...

  • Air Pollution Is Making Office Workers Less Productive

    Businesses invest a great deal of time and money in interventions that claim to increase workers’ productivity through on-the-job training, new protocols, advice from consultants, and so on. Recent research suggests that there’s a surprising input into productivity that no one ever thinks about: clean air. We all know that air pollution is bad for our health, and researchers ...


    By Camfil Ltd

  • Canarina DISPER software · air emissions mapping · algorithms 10

      Canarina DISPER software · air emissions mapping    Unstable or Neutral - Crossover Between Momentum and Buoyancy. For cases with stack gas temperature greater than or equal to ambient temperature, it must be determined whether the plume rise is ...

  • Case Study: City of Torrance Library

    Ellis provides indoor air quality studies, Phase I and II environmental site assessments, and other environmental consulting services for the City of Torrance, Manhattan Beach, Redondo Beach, Santa Monica, Pasadena, City of Commerce, and other Southern California schools and municipalities. Our success has been built on our ability to respond – quietly, quickly, and efficiently - to every new ...

  • Cedar Rapids Flooding case study

    Services Performed Emergency remediation response, industrial hygiene, asbestos consulting and mold/indoor air quality (IAQ) testing Summary During the summer of 2008, major flooding of the Cedar River occurred which covered the downtown area in floodwaters. Many buildings including municipal and county government facilities needed to be cleaned, repaired and ...


    By EFI Global, Inc.

  • Sick-building syndrome and building-related illness

    Significant health problems linked to very poor indoor air qualityIndoor Air Quality (IAQ) deals with the content of interior air that could affect health and comfort of building occupants. The IAQ may be compromised by microbial contaminants (mold, bacteria), chemicals (such as carbon monoxide, radon), allergens, or any mass or energy stressor are more prevalent than anyone could have predicted. ...

  • Emergency remediation response case study

    Services Performed Emergency remediation response, oil and hazardous waste consulting and a mold/indoor air quality (IAQ) testing Summary Following the flooding of the Spicket River during the Spring 2006, EFI Global was engaged to evaluate a nursing home in Lawrence, MA. After the initial environmental evaluation, our team observed that the basement and ...


    By EFI Global, Inc.

  • TVOC measurement for LEED/green building evaluation

    Total Volatile Organic Compounds (TVOC) may be evaluated when building designers/managers are pursuing the Leadership in Energy and Environmental Design Green Building Rating System for New Construction (LEED-NC) EQ Credit 3.2. The latest LEED-NC guidance document specifies that the maximum allowed concentration of TVOC measured in a building (post construction, pre-occupancy) is 500 µg/m3; the ...


  • Prominant developer chooses cetco gas vapor barrier for chromium protection case study

    Project: Droyers Point Location: Jersey City, NJ Products: Liquid Boot® Gas Vapor Mitigation System Background: During the summer of 2004, construction commenced on a multi-family housing plan, developed by K. Hovnanian Homes. This 23-acre Brownfield redevelopment project included 30 new three-story townhouse buildings ...


    By CETCO

  • Promote green business and show how it produces profit

    There is money in going green. Investing in a future that is more environmentally centered should be your goal. There are multitudes of eco business development opportunities that need financing. Steering away from companies and destructive industries that demonstrate disregard for our planet is a good beginning. Locating pension funds, financial investment firms and consultants who help ...


    By Green Education On Line

  • If a Natural Disaster Occurred Tomorrow, Would Your Environmental Business be ready to Help?

    2011 has been a historic year for natural disasters.  From wildfires, flooding, tornadoes and tsunamis, we have seen it all.  Just this month, the 2011 U.S. Hurricane Season began.  The National Oceanic and Atmospheric Administration (NOAA) announced their predictions for the season as being above average with as many as 10 hurricanes being predicted. Whether an earthquake, ...


    By Cochrane & Associates, LLC

  • Exploring Innovative Solutions

    Progress in environmental management relies on innovation. Whether it's novel applications of new technologies, pioneering public policies, or groundbreaking partnerships – innovation leads to advances. Looking toward tomorrow's advances, the theme of A&WMA's ...


  • Greening the Built Environment

    ASTM Standards and Products Form the Foundation of Sustainable Construction Efforts Today, a major focal point for the worldwide building industry is the growing demand for sustainable construction. Sustainable, or “green,” construction is focused on the more effective use of resources and ultimately the creation of healthier, energy efficient, more environmentally ...


    By ASTM International

  • Floor Cleaning Machines for Hard Surfaces in Commercial Areas

    Floor cleaning machines for commercial applications must have ruggedness and versatility to handle cleaning operations for longer durations. The large number of choices available makes the task of choosing the right machine extremely challenging. It is important to understand that not all machines are ideal for all surfaces and in all environments. Pressure Washers Hard surface ...


    By Daimer Industries Inc.

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