Peninsula Chemical Company
110 E. 20th Avenue, San Mateo, CA 94403
Present in a source dataset, with no recent operating signal.
What they make
Other Basic Inorganic Chemical Manufacturing325180Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Applied Biosystems, LLC | Foster City | All Other Basic Organic Chemical Manufacturing 325199 | UNVERIFIED | 4.0 KM |
| Silicon Valley Clean Water | Redwood City | Other Basic Inorganic Chemical Manufacturing 325188 | UNVERIFIED | 6.8 KM |
| Garratt-callahan Company | Burlingame | All Other Miscellaneous Chemical Product and Preparation Manufacturing 325998 | ACTIVE | 8.0 KM |
| Seaport Environmental - Refining | Redwood City | Petrochemical Manufacturing 325110 | LIKELY ACTIVE | 9.8 KM |
| Baychem, INC | Menlo Park | Other Basic Inorganic Chemical Manufacturing 325180 | ACTIVE | 13.3 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
2 sources hold this plant, and 7 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.
EPA cross-references this facility in CA-ENVIROVIEW, ICIS, RCRAINFO, SSTS · EPA site type STATIONARY.
- EPA ECHO compliance recordsOPERATINGfirst seen MAY 2018 · last seen MAY 2018
- EPA Facility Registry ServiceEXISTENCERecord 110000519877 · first seen DEC 2015 · last seen DEC 2015
IN SAN MATEO COUNTY23 other plants share this one’s industry (Basic Chemical Manufacturing, NAICS 3251); 1 of them has a size band on record.
What each source says
Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.
- Name
- EPA: PENINSULA CHEMICAL COMPANY · OCT 2026
- Street address
- EPA: 110 E. 20TH AVENUE · OCT 2026
- City
- EPA: SAN MATEO · OCT 2026
- State
- EPA: CA · OCT 2026
- County (FIPS code)
- EPA: 06081 · OCT 2026
- Coordinates
- EPA: 37.54945,-122.30798 · OCT 2026
- Hazardous waste generator (RCRA)
- EPA ECHO: none · OCT 2026