| Big Horn Gypsum Company, El Camino Real & 5th Avenue, San Mateo, California |
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| EPA Region |
Location of facility | Type of facility | Amount of ore received (in tons) |
Did EPA visit the site? |
Were samples taken? |
Results of evaluation |
|---|---|---|---|---|---|---|
| 9 | El Camino Real at 5th Avenue, San Mateo, California | Gypsum board manufacturer | Unknown | Yes-April 20, 2000 | No | An EPA database compiled from W.R. Grace shipping invoices did not contain any records indicating Libby ore was shipped to this site. However, this company did appear on a list of W.R. Grace licensees and industry partners. At the time of EPA's visit, an office building was located on this property and the property was paved. EPA concluded that if any vermiculite was present in the soil, it would be encapsulated by the pavement and unlikely to pose a threat. The land use in the area was commercial, residential, and recreational. EPA determined no further action was needed. |
| GAO-09-6R |