(Part 1 of a 3-Part Series) What is vapor intrusion? Vapor intrusion (VI) is the migration of vapor-forming chemicals from any subsurface contamination into an overlying enclosed space that can pose a threat to indoor air quality. Vapor-forming chemicals may originate from contaminated soil, groundwater, sewer, or other sources. These sources of contamination may be […]
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EHS Auditing: How self-auditing improves performance and reduces punishment
How well is your company complying with federal, state and local environmental, health and safety (EHS) regulatory requirements? How well is it complying with its own internal EHS standards and documented procedures? These are questions EHS auditors assess when conducting an EHS audit, which most companies, regardless of size, have as an important, ingrained business […]
EPA’s 2021 Multi-Sector General Permit (MSGP) Effective March 1, 2021
The U.S. EPA issued the 2021 stormwater Multi-Sector General Permit (MSGP) on January 15, 2021. Facilities that are covered under the EPA’s MSGP must file a new Notice of Intent (NOI) to be covered under the new permit no later than May 30, 2021. States with their own MSGPs will likely incorporate features/aspects of the […]
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What is a Phase I Environmental Site Assessment?
A Phase I Environmental Site Assessment, or a Phase I ESA, is typically the first step in the environmental due diligence process that identifies potential environmental concerns for a property. A Phase I ESA is useful for a potential purchaser to understand environmental issues they may be inheriting. The current and historical operations of the […]
SPCC Plans: Are you providing “sufficient freeboard” for secondary containment?
If you’re a facility owner/operator who stores, processes, refines, or uses oil, you’re likely quite familiar with the EPA’s Spill Prevention, Control and Countermeasure (SPCC) Regulation (40 CRF 112). The goal of the regulation, first published in 1973 under the authority of the Clean Water Act, is to protect navigable waters and adjoining shorelines from […]