Greene, Tweed &
Greene, Tweed & Co. (Central Engineering, Materials Laboratory & Product Testing Laboratory), 2075 Detwiler Rd, 19443, Kulpsville, PA, United States
Visit website- Accredited standards
- 36
- 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 36 standard numbers and the 4 official names we hold. When no standard matches, it searches the method text of every scope line.
ASTM36
ASTM D297
ASTM D395
ASTM D412
ASTM D429
ASTM D471
ASTM D570
ASTM D573
ASTM D618
ASTM D621
ASTM D624
ASTM D638Standard Test Method for Tensile Properties of Plastics
ASTM D695
Show all 36
ASTM D732
ASTM D790Standard Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials
ASTM D792Standard Test Methods for Density and Specific Gravity (Relative Density) of Plastics by Displacement
ASTM D1329
ASTM D1414
ASTM D1415
ASTM D1646
ASTM D2240Standard Test Method for Rubber Property - Durometer Hardness
ASTM D3039
ASTM D3182
ASTM D3418
ASTM D4745
ASTM D4894
ASTM D5289
ASTM D6204
ASTM D6370
ASTM D6601
ASTM D6641
ASTM D7078
ASTM D7426
ASTM E165
ASTM E793
ASTM E831
ASTM E1252
ASTM D4894 Section 10.7; ASTM D6370; ASTM D573; ASTM D1414; ASTM D3182; ASTM D6601; ASTM D6204; ASTM D297 Section 16.3; ASTM D429 Method A; ASTM D395 Method B; ASTM D2240 Method A; ASTM D471; ASTM D1415; ASTM D5289; ASTM D1646; ASTM D618; ASTM D732; ASTM D7426; ASTM E831
ASTM D624; ASTM D638; ASTM D3039; ASTM D3418; ASTM D412; ASTM D570; ASTM D6641; ASTM D7078; ASTM D4745
ASTM D695; SAE AMS-P-5516 Section 4.5.4; SAE AMS-P-83461 Section 4.6.3; SAE AMS-P-25732 Section 4.6.3; NAS 1613 Section 4.3.3.9; MIL-PRF-25732; ASTM D621-1988; ASTM D792; SAE AMS-P-25732 Section 4.7; SAE AMS-P-83461 Section 4.7; ASTM E793; ASTM D1329; ASTM D790; ASTM E1252; ASTM E165
Read from the A2LA scope document we downloaded on 2026-03-14. Register refreshed 2026-11-06.
Scope as published by A2LA
4 lines
ISO/IEC 17025
Active3187.01
The scope document we hold says it is valid until 2027-08-31.
Accredited scope, certificate 3187.01
| Line | Method | Matrix | Range |
|---|---|---|---|
| 1 | ASTM D695; SAE AMS-P-5516 Section 4.5.4; SAE AMS-P-83461 Section 4.6.3; SAE AMS-P-25732 Section 4.6.3; NAS 1613 Section 4.3.3.9; MIL-PRF-25732; ASTM D621-1988; ASTM D792; SAE AMS-P-25732 Section 4.7; SAE AMS-P-83461 Section 4.7; ASTM E793; ASTM D1329; ASTM D790; ASTM E1252; ASTM E165 | manufactured components, rubber, PTFE, and composites | - |
| 2 | ASTM D4894 Section 10.7; ASTM D6370; ASTM D573; ASTM D1414; ASTM D3182; ASTM D6601; ASTM D6204; ASTM D297 Section 16.3; ASTM D429 Method A; ASTM D395 Method B; ASTM D2240 Method A; ASTM D471; ASTM D1415; ASTM D5289; ASTM D1646; ASTM D618; ASTM D732; ASTM D7426; ASTM E831 | Plastics | - |
| 3 | ASTM D624; ASTM D638; ASTM D3039; ASTM D3418; ASTM D412; ASTM D570; ASTM D6641; ASTM D7078; ASTM D4745 | Plastics | - |
| 4 | 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 Mechanical Scope of Accreditation.
Accredited Laboratory
A2LA has accredited
GREENE, TWEED & CO.
Kulpsville, PA
for technical competence in the field of
Mechanical 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 7th day of October 2025.
_______________________
Mr. Trace McInturff, Vice President, Accreditation Services
For the Accreditation Council
Certificate Number 3187.01
Valid to August 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
Greene, Tweed & Co. (Central Engineering, Materials Laboratory & Product Testing Laboratory), 2075 Detwiler Rd, Kulpsville, PA, 19443, US
40.24478, -75.34349
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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.