Former Redwood City Gas Holder

As part of a voluntary program under the oversight of the California Department of Toxic Substances Control (DTSC), PG&E is conducting an environmental investigation at 675 Jefferson Avenue in Redwood City. An historic gas holder once operated at this location. The gas holder stored manufactured gas produced at other locations.. A bank currently operates on the property.

PG&E performed the initial round of investigation in early 2010. Work included soil, soil gas, and groundwater sampling to help evaluate whether future cleanup is needed. A second round of sampling occurred in mid-2011 based on a work plan approved by DTSC. Importantly, any residues from the gas holder, if any, are under a paved parking lot and the bank building where direct contact is unlikely. Some additional soil and soil gas sampling is planned in the near future to help evaluate the mid-2011 sampling results.

PG&E keeps the community informed of progress through work notices and other outreach as appropriate. We also work closely with the property owner to minimize impacting its customers. Field work is typically done on weekends to avoid inconveniencing bank customers and nearby businesses.

PG&E purchased the site in 1914 and built a gas holder to store manufactured, and then natural gas before it was delivered to customers. PG&E dismantled the gas holder in 1959 and sold the property in 1961, several years before the bank building was constructed.


Additional Resources

Site related documents can also be found at:
Redwood City Public Library, 1044 Middlefield Rd., Redwood City (650-780-7060)

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