Aerospace Home Insights Publications Vapor intrusion workshop summary from the 2018 West Coast AEHS International Conference on Soil, Water, Energy, and Air Download our free technical update for a summary of the conference's key presentations. New applications of CSIA for quantifying 1,4-dioxane biodegradation Technical Expert Peter Bennett was the lead author on the innovative study, published in Environmental Science & Technology Letters. Spatially averaged, flow-weighted concentrations – a more relevant regulatory metric for groundwater cleanup Murray Einarson advocates for the use of a new standard for groundwater cleanup in place of maximum contaminant levels. A primer on perfluoroalkyl substances (PFAS) – emerging contaminants in drinking water This free whitepaper highlights the needs for additional research on toxicity and environmental consulting related to PFAS for both industry and the public. Noteworthy changes in the Hazardous Waste Generator Improvements Rule Download our free, one-page regulatory update to learn about the most noteworthy changes and which states have exceptions to the Rule. South Carolina revises stormwater rules Recent changes to South Carolina’s regulations may affect the way you manage stormwater at your site. Learn more in our update. Direct push optical screening tool for high-resolution, real-time mapping of chlorinated solvent DNAPL architecture The tool is a new site characterization technology that facilitates 3-D delineation of residual chlorinated solvent DNAPL in the subsurface. Haley & Aldrich’s climate practice: from vulnerability assessments to strategic planning Haley & Aldrich’s climate-related business is growing quickly, especially on the resilience and adaptation side. The rise of ISO 45001: a new global occupational health and safety management system standard Danyle Hepler, Client Leader and Senior Scientist, provides her perspective on the potential impact of the ISO 45001 in this technical brief. New data on background indoor air levels of volatile organic compounds (VOCs) and air-phase petroleum hydrocarbons (APH) in office buildings and schools Vapor Intrusion Practice Leader Rich Rago offers an analysis on the new data. Development and testing of a field screening method based on bubbling extraction and photoionization detection for measurement of benzene and total VOCs Peter Bennett and Murray Einarson discuss a new screening method to complete a site conceptual model and analyze groundwater from monitoring wells. Insights from Battelle’s Ninth International Conference on Remediation of Chlorinated and Recalcitrant Compounds Michael Basel and Paul Tornatore discuss industry trends from Battelle’s Ninth International Conference on Remediation of Chlorinated and Recalcitrant Compounds. Seven ways to achieve lean success Steve MacIntyre, Haley & Aldrich Lean Integration Leader, explores seven strategies for a successful lean integration. How to empower executives to remediate contaminated sites Steve MacIntyre, Lean Integration Leader, discusses applying lean principles to remediate sites. Bolster sustainable remediation through stakeholder collaboration Karin Holland, Senior Sustainability Specialist, argues that stakeholder collaboration is key to better sustainable remediation.