ST Labs
1404 South Houston Road, 77502, Pasadena, TX, United States
Visit website- Accredited standards
- 14
- A2LA certificate
- 1
- Site in our directory
- 1
What this lab is accredited for
Our reading of the A2LA scope: each standard once, with its official name where we have checked it.
Only this lab. Searches the 14 standard numbers and the 1 official name we hold. When no standard matches, it searches the method text of every scope line.
ASTM14
ASTM D56
ASTM D86
ASTM D95
ASTM D97
ASTM D156
ASTM D445
ASTM D482
ASTM D847
ASTM D1209
ASTM D1364
ASTM D2161
ASTM D2360
ASTM D4052Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter
ASTM D4530
ISO/IEC 17025:2017; ASTM D56; ASTM D86; ASTM D95; ASTM D97; ASTM D156; ASTM D445; ASTM D482; ASTM D847; ASTM D1209; ASTM D1364; ASTM D2161; ASTM D2360-11
ASTM D4052; ASTM D4530
Read from the A2LA scope document we downloaded on 2026-03-14. Register refreshed 2026-11-06.
Scope as published by A2LA
3 lines
ISO/IEC 17025
Active3130.01
The scope document we hold says it is valid until 2027-03-31.
Accredited scope, certificate 3130.01
| Line | Method | Matrix | Range |
|---|---|---|---|
| 1 | ISO/IEC 17025:2017; ASTM D56; ASTM D86; ASTM D95; ASTM D97; ASTM D156; ASTM D445; ASTM D482; ASTM D847; ASTM D1209; ASTM D1364; ASTM D2161; ASTM D2360-11 | Petroleum products | - |
| 2 | ASTM D4052; ASTM D4530 | liquids | - |
| 3 | Extracted from the scope document; tables may not line up. View scope for the original. For the tests to which this accreditation applies, please refer to the laboratory’s Chemical Scope of Accreditation.
Accredited Laboratory
A2LA has accredited
ST LABS
Pasadena, TX
for technical competence in the field of
Chemical Testing
This laboratory is accredited in accordance with the recognized International Standard ISO/IEC 17025:2017
General requirements for the competence of testing and calibration laboratories. This accreditation demonstrates
technical competence for a defined scope and the operation of a laboratory quality management system
(refer to joint ISO-ILAC-IAF Communiqué dated April 2017).
Presented this 14th day of October 2025.
_______________________
Mr. Trace McInturff, Vice President, Accreditation Services
For the Accreditation Council
Certificate Number 3130.01
Valid to March 31, 2027 | ||
Ranges are reproduced from the accredited scope document as published, and only where we found that range printed in the document for the line. Otherwise the cell reads “See scope document”. An absent range means the register did not state one. Line numbers are ours, for cross-reference; they follow the order of the scope document.
Location
Labs with overlapping accredited scope in United States
- Paragon Laboratories, Inc.Livonia, MI · ~1,764 kmA2LAShares 3 accredited methods and materialsASTM D4052ASTM D86Petroleum products
- Analytical TechnologiesChristiansted, US Virgin Islands · ~3,364 kmA2LAShares 3 accredited methods and materialsASTM D4052ASTM D86Petroleum products
- Product Quality ManagementPasadena, TX · under 1 kmA2LAShares 2 accredited methods and materialsASTM D4052Petroleum products
- Product Quality ManagementOlmito, TX · ~468 kmA2LAShares 2 accredited methods and materialsASTM D4052Petroleum products
- Bureau Veritas Commodities and TradeTampa, FL · ~1,257 kmA2LAShares 2 accredited methods and materialsASTM D4052Petroleum products
Accreditation data refreshed from the A2LA register on .
This page mirrors a public register. For a purchasing, audit or regulatory decision, confirm against the A2LA entry linked above.