High-purity Standards, LLC

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
BCBasf Catalyst LLC	North Charleston	Synthetic Dye and Pigment Manufacturing 325130	◐ LIKELY ACTIVE	0.1 KM
Organic Standard Solutions International LLC	North Charleston	All Other Basic Organic Chemical Manufacturing 325199	● ACTIVE	0.4 KM
NCNorth Charleston Branch 48	North Charleston	Industrial Gas Manufacturing 325120	◐ LIKELY ACTIVE	0.9 KM
HCHGI Charleston	Hanahan	Industrial Gas Manufacturing 325120	◐ LIKELY ACTIVE	6.9 KM
Nova Gas Technologies, INC.	North Charleston	Industrial Gas Manufacturing 325120	● ACTIVE	8.1 KM

Every listed plant in Charleston County

Also at this address

No other federal record shares this street address.

Where this record comes from

4 sources hold this plant, and 10 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 ICIS, RCRAINFO · EPA site type STATIONARY.

• The company’s own websiteOPERATING
  first seen OCT 2026 · last seen OCT 2026
• SAM.gov entity registrationOPERATING
  Record WNTBEPU1BJ47 · first seen OCT 2025 · last seen SEP 2026
• OSHA injury and illness reportsOPERATING
  Record 1533162 · first seen DEC 2025 · last seen DEC 2025
• EPA Facility Registry ServiceEXISTENCE
  Record 110054076361 · first seen MAY 2015 · last seen MAY 2015

IN CHARLESTON COUNTY9 other plants share this one’s industry (Basic Chemical Manufacturing, NAICS 3251); 6 of them have 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: HIGH-PURITY STANDARDS LLC · JUL 2026 · ON THIS PAGE

SAM.gov: HIGH-PURITY STANDARDS, LLC · SEP 2026 · ON THIS PAGE

Street addressSOURCES DISAGREE

EPA: 7221 INVESTMENT DRIVE · JUL 2026

SAM.gov: 7221 INVESTMENT DR · SEP 2026 · ON THIS PAGE

City

EPA: NORTH CHARLESTON · JUL 2026 · ON THIS PAGE

SAM.gov: NORTH CHARLESTON · SEP 2026 · ON THIS PAGE

State

EPA: SC · JUL 2026 · ON THIS PAGE

SAM.gov: SC · SEP 2026 · ON THIS PAGE

County (FIPS code)

EPA: 45019 · SEP 2026

Coordinates

EPA: 32.92119,-80.06025 · JUL 2026

Employees (band)

OSHA: 20-99 · DEC 2025

Website

SAM.gov: https://zeptometrics.com · SEP 2026

CAGE code

SAM.gov: 0YZE5 · SEP 2026

SAM registration expires

SAM.gov: 2027-09-16 · SEP 2026