Facility	City	Industry	Status	Distance
Chapter Diagnostics	Menlo Park	Analytical Laboratory Instrument Manufacturing 334516	UNVERIFIED	0.0 KM
Signal Biosystems INC	Menlo Park	Analytical Laboratory Instrument Manufacturing 334516	UNVERIFIED	0.0 KM
Intertek Testing Services Na,	Menlo Park	Totalizing Fluid Meter and Counting Device Manufacturing 334514	UNVERIFIED	0.1 KM
Matrix Industries INC	Menlo Park	Semiconductor and Related Device Manufacturing 334413	ACTIVE	0.2 KM
Cytesi INC	Menlo Park	Analytical Laboratory Instrument Manufacturing 334516	ACTIVE	0.2 KM

Every listed plant in San Mateo County

Also at this address

No other federal record shares this street address.

WHERE THIS RECORD COMES FROM — 1 FEDERAL SOURCE, 6 FIELDS

Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.

EPA cross-references this facility in RCRAINFO · EPA site type STATIONARY.

Source	Evidence	First seen	Last seen
EPA FRS	EXISTENCE	DEC 2018	DEC 2018

FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT

FIELD	SOURCE	SIGNAL
ADDRESS LINE1	EPA FRS	JUL 2026
CITY	EPA FRS	JUL 2026
GEOM	EPA FRS	JUL 2026
NAME	EPA FRS	JUL 2026
RCRA GENERATOR STATUS	EPA ECHO	AUG 2026
STATE	EPA FRS	JUL 2026

Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

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