Have you received a notification letter from the Massachusetts Department of Environmental Protection (MassDEP) warning you that you have underground storage tanks (USTs) that need to be removed? As of August 7, 2017, all underground single walled steel tanks in the state of Massachusetts must be removed, permanently closed-in-place, or placed out-of-service (then removed or permanently closed-in-place by July 1, 2018). At the time of the tank removal, environmental conditions must be assessed per state and federal regulations, since it is possible that contamination may exist in the area of the UST(s). In Massachusetts, tanks must be closed in accordance
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Anytime water (groundwater or municipal water) is discharged to surface water or to a drain system that discharges to surface water without first running through a public or privately owned treatment works, an Environmental Protection Agency (EPA) permit is required. Surface water includes but is not limited to a river, lake, pond, or the ocean. A local permit from the town or city water and sewer commission is typically also required if the discharge is to a drain. The EPA permit program is called the National Pollutant Discharge Elimination System, or NPDES for short. There are three different permits which may be required for the types
As LSPs, we have all been there: your client’s site has an indoor air issue and you need a sub-slab depressurization system (SSDS), maybe it will need remote telemetry, or maybe it will pass a risk assessment. You want to call your local radon contractor to install the SSDS, like you have in the past, but you’re not sure that the system will be in compliance with the recent changes to the Massachusetts Contingency Plan (MCP) if telemetry is needed. You should know, telemetry or not, there are important differences between radon systems and MCP vapor intrusion systems that mitigate
There are multiple stages to installing an Active Exposure Pathway Mitigation Measure (AEPMM) to mitigate vapor intrusion conditions: engineering, installation, and maintenance. When looking to install an AEPMM to manage indoor air quality at your property, whether commercial or residential, we recommend choosing a company that has years of experience in all three areas of this process. A properly designed AEPMM will rely on data that is collected at your property; as not all buildings or sub-surfaces are the same, and transmissivity conditions are project specific. The system’s main component, the blower(s), should be sized based on not only sub-slab
The new National Pollutant Discharge Elimination System (NPDES) Remediation General Permit (RGP), now called the General Permit for Remediation Activity Discharges (GP), is finally available, but what does this mean for you? If you are the owner or operator of an existing discharge, you can expect to hear from the Environmental Protection Agency (EPA) soon. Existing discharges will be required to file a Notice of Intent (NOI) with EPA if they intend to continue discharging for more than 90 days following the effective date of the permit, which is April 8, 2017. If you want to initiate a discharge, then