Dirty Property

one of the major west coast sites that it seems everyone in the environmental remediation business gets to work on at one point is the AeroJet Sacramento Facility. Even though I am based in Southern California, I did a soil gas investigation out there in the summer of 2002 or 2003. It seems that the [...]

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The California Department of Public Health adopted a new and updated Maximum Contaminant Level (MCL) list in November of 2010. As you look through it, you may notice that there are quite a few compounds on the list that did not previously have MCLs. We commonly substituted the San Francisco Regional Water Quality Control Board [...]

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секцииLast week, the California EPA Office of Environmental Health Hazard Assessment published new California Human Health Screening levels (CHHSLs) for Perchlorate in soil and Ethylbenzene in soil gas. The concentrations are: Ethylbenzene: Residential Soil Gas on engineered fill – 1.1 µg/L Residential Soil Gas on base soil – 0.42 µg/L Industrial Soil Gas on engineered [...]

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The State of California Office of Environmental Health Hazard Assessment (OEHHA) has released a new draft maximum allowable dose level for Chrome VI as an oral reproductive toxicant. This draft has been issued and OEHHA intends to adopt the new maximum allowable dose level for Chrome VI as an oral reproductive toxicant at 8.2 micrograms [...]

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Some of our clients have received a request from the Federal EPA to perform sampling and laboratory analysis for additional compounds known as Lead Scavengers. Lead Scavengers are common additives in leaded gasoline and have been found to potentially pose a risk to groundwater. If a site was entered into one of the Leaking Underground [...]

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This was posted last week and the sampling was presumably performed a couple of weeks ago, but I am posting it to illustrate that public focus on these issues is increasing. U.S. EPA to sample indoor air at Oakland homes, businesses near former plating shop Release date: 07/23/2008 Contact Information: Wendy Chavez, 415/947-4248, chavez.wendy@epa.gov High [...]

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This article was Published by the Los Angeles Times today and is interesting considering the controversy surrounding perchlorate in soil and groundwater here in California. The Santa Ana Regional Water Quality Control Board and water supply agencies in San Bernardino and Riverside Counties have an especially heightened state of awareness about perchlorate due to their [...]

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I recently had a client request a number of transaction screens for a block of properties that they are purchasing. A transaction screen is a limited environmental assessment designed to identify readily apparent and potential environmental liabilities associated with a site or facility. All work is conducted in accordance with the ASTM E 1528-06: Standard [...]

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I am proud to announce that we have achieved closure for one of our clients at a property in Gardena, California.  Here is a little bit of information about the project:  From the late 1980s to 1997, a manufacturer of metal fasteners for the aerospace industry and military was located at the site.  These former [...]

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It has been a few weeks since my last post, but it is time I followup on one of my previous posts regarding impacted soil. In that post, I described a situation where an Underground Storage Tank (UST) was encountered and needed to be removed. During the process of removing the tank, we found that [...]

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