READ: Evaluation of Indoor Dampness, Mold, and Ventilation at a College
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READ: Vapor Intrusion into Indoor Air - Naval Plant
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(3 RC) - Data provided by Environmental Resources Management indicates inhalation exposure to TCE and VC within the breakroom of the facility. Our assessment shows that employees breathing VC in the breakroom were not likely to be harmed by noncancer or cancer health effects. Employees breathing TCE in the breakroom in 2020 and 2023 were not likely to be harmed by noncancer health effects in the past. However, based on 2015 TCE levels, there is a concern for increased cancer risk for employees… (ATSDR - Aug 2025)
Read MoreREAD: Improving IAQ in Public Buildings During Wildland Fire Smoke Part 2
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(3 RC) - This publication is for (1) individuals and groups with decision-making abilities for public, commercial, and multi-unit residential buildings including building owners and managers, school administrators, and facility managers; (2) federal, state, local, and Tribal environmental and public health organizations that provide information to communities to reduce exposure to wildland fire smoke in public or commercial spaces… (EPA - May 2025)
Read MoreREAD: Improving IAQ in Public Buildings During Wildland Fire Smoke Part 1
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(3 RC) - This publication is for (1) individuals and groups with decision-making abilities for public, commercial, and multi-unit residential buildings including building owners and managers, school administrators, and facility managers; (2) federal, state, local, and Tribal environmental and public health organizations that provide information to communities to reduce exposure to wildland fire smoke in public or commercial spaces… (EPA - May 2025)
Read MoreREAD: EPA - IAQ Guidelines for Single-Family Renovations Part 2
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(4 RC) - Millions of American homes will be retrofitted in the coming years to improve their energy efficiency, repair or add building features, or make them “greener.” Integrated healthy home and energy-efficiency retrofit activities can simultaneously lower utility costs and improve indoor air quality (IAQ). Leading energy-efficiency retrofit programs have demonstrated the feasibility of integrating many IAQ and safety improvements… (EPA, May 2021)
Read MoreREAD: EPA - IAQ Guidelines for Single-Family Renovations Part 1
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(4 RC) - Millions of American homes will be retrofitted in the coming years to improve their energy efficiency, repair or add building features, or make them “greener.” Integrated healthy home and energy-efficiency retrofit activities can simultaneously lower utility costs and improve indoor air quality (IAQ). Leading energy-efficiency retrofit programs have demonstrated the feasibility of integrating many IAQ and safety improvements… (EPA, May 2021)
Read MoreREAD: Spectral Characteristics and Indoor Air Quality Effects of Germicidal and Ultraviolet Light
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(3 RC) - With the onset of the COVID-19 pandemic, challenges associated with mitigating airborne virus transmission in public spaces motivated the development of new ventilation and disinfection standards in the United States. Germicidal ultraviolet lights (GUV) are one such technology. GUV with peak emission wavelengths at 254 nm (GUV254) or 222 nm (GUV222) have been promoted as possible airborne pathogen transmission mitigation tools… (NIST - Nov 2024 used with permission)
Read MoreREAD: Evaluation of Exposure to Tetrachloroethylene in Indoor Air
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(2 RC) - The Raymark Industries, Inc. Superfund Site consists of more than 500 acres of land in Stratford, Fairfield County, CT. Raymark Industries, Inc., manufactured automotive and heavy brake friction components for more than 70 years. Raymark disposed of waste as “fill” material in various locations in Stratford, including the Raymark facility, various commercial and residential properties, and wetlands adjacent to the Housatonic River. Raymark also disposed of waste materials in unlined lagoons at the Raymark facility… (ATSDR - Nov 2024)
Read MoreREAD: Evaluation of Contaminants in Indoor Air & Groundwater
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(1 RC) - In 2019, the Department of Veterans Affairs Medical Center requested that the Agency for Toxic Substances and Disease Registry review the results of indoor air, soil, and surface water samplings from a groundwater plume beneath the East Side Springs section of Salt Lake City, UT. The plume and homes associated with the contaminated groundwater… (ATSDR, Oct 2024)
Read MoreREAD: Biotoxins Clinical Pathway: Australia - Part Two
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(4 RC) - The Biotoxins (indoor damp and/or mold) Clinical Pathway has been developed to support decision-making on differential diagnosis, treatment and referral pathways for patients who report debilitating symptoms with a history of exposure to indoor damp or mold… (Australia DHAC, Nov 2023)
Read MoreREAD: Biotoxins Clinical Pathway: Australia - Part One
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(4 RC) - The Biotoxins (indoor damp and/or mold) Clinical Pathway has been developed to support decision-making on differential diagnosis, treatment and referral pathways for patients who report debilitating symptoms with a history of exposure to indoor damp or mold… (Australia DHAC, Nov 2023)
Read MoreREAD: Anesthetic Gas Exposure at a Veterinary Hospital
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(4 RC) - In February 2022, employees at a veterinary hospital requested the National Institute for Occupational Safety and Health to conduct a health hazard evaluation because they were concerned about waste anesthetic gas exposure (WAG) and possible health effects. The requestors wanted to better understand their exposure to WAGs and learn how to protect themselves … (CDC HHE, May 2024)
Read MoreREAD: Occupational Exposure and IEQ in an Underground Cavern
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(3 RC) - An employer representative of a warehouse facility, located in a former underground limestone quarry, requested a health hazard evaluation concerning employees’ exposures to carbon monoxide, wood dust and other airborne particles, noise, and radon. The employer also wanted to know what the fibrous material and oil-like residue were on some of the cavern walls of the warehouse workspace… (CDC HHE, Aug 2023)
Read MoreREAD: ATSDR - Analysis of Contaminants in Drinking Water and Indoor Air
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(4 RC) - The purpose of this public health consultation is to evaluate the public health significance of exposures to contaminants in drinking water and indoor air in homes and commercial buildings in this community. ATSDR used drinking water data collected by the City of Martinsville Water Utility and air data collected by EPA in January, July and September 2016, and January 2017 to make this determination… (ATSDR, Mar 2019)
Read MoreREAD: Evaluation of Silica Exposures During Drywall Sanding
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(2 RC) - Management from a drywall finishing company requested a health hazard evaluation concerning employee exposure to respirable crystalline silica during drywall-sanding activities. Crystalline silica is a common mineral in construction materials. When it becomes airborne in dust, it can harm the lungs… (CDC - HHE, Apr 2024)
Read MoreREAD: CDC - Evaluation of a Medicinal Cannabis Manufacturing Facility
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(4 RC) - The Health Hazard Evaluation Program received a request from a union representative for a medical cannabis facility with an indoor and outdoor grow operation. The representative was concerned about the potential occupational and safety hazards associated with the harvesting and processing of cannabis. We evaluated chemical and microbial hazards, conducted medical interviews with employees about their health concerns, collected air samples for volatile organic compounds… (NIOSH, CDC Aug 2019)
Read MoreREAD: WHO: Indoor Airborne Risk Assessment in the Context of SARS-CoV-2
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(4 RC) - In 2019, a new world threat emerged with SARS-CoV-2, a virus that has affected the entire world, every country, every family. The incredibly rapid spread of this virus that transmitted efficiently between people through the air renewed the important risks related to the quality of the air we breathe. Transmission of SARS-CoV-2 has been the subject of considerable debate throughout the pandemic… (WHO, Apr 2024)
Read MoreREAD: ATSDR Health Consultation Grand Prairie, TX
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(4 RC) - The former Delfasco Forge facility is in Grand Prairie, Dallas County, Texas. The facility operated as a munitions manufacturing and forging facility from 1980 to 1998. Former facility operations used chlorinated solvents containing trichloroethylene (TCE) and other chemicals to degrease metal. These operations contaminated on-site soil and groundwater. The groundwater contamination has spread to the adjacent residential area where an estimated 157 occupied homes… (CDC ATSDR, Apr 2024)
Read MoreREAD: WHO Global Air Quality Guidelines Chapter 3
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(4 RC) - The WHO air quality guidelines set goals for protecting public health on a worldwide scale. They were established through a rigorous process of revision and evaluation of scientific evidence on the health effects of air pollutants and, like other WHO guidelines, are not legally binding recommendations … (WHO Global AQG, 2021)
Read MoreREAD: Restoring Energy Efficiency Through HVAC Air Distribution System Cleaning
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(2 RC) - This paper covers the specific topics of: A. How cleaning reduces HVAC energy consumption. B. How energy consumption can be calculated with pre‐cleaning and post‐cleaning measurements. C. Mechanical and other issues within HVAC systems that contractors encounter while inspecting and/or cleaning that can be reported and corrected to maximize HVAC energy efficiency… (NADCA, Nov 2016)
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