Geosynthetic Accreditation Institute

---

ASTM D3015
Test Method for Microscopic Examination of Pigment Dispersion in Plastic Compounds (08.02)

---

List of Accredited Laboratories:

• Lab. #1 - TRI/Environmental
• Lab. #3 - Golder Associates
• Lab. #4 - Geosynthetic Institute
• Lab. #5 - NTH Consultants, Ltd.
• Lab. #13 - Precision Geosynthetic Laboratories, CA
• Lab. #14 - Geotechnics, Inc.
• Lab. #18 - Shaw Environmental & Infrastructure, Inc.
• Lab. #19 - HTS Inc., Consultants
• Lab. #20 - GeoTesting Express
• Lab. #34 - GSE Lining Technology, Inc. (Richey Road Lab)
• Lab. #37 - GSE Chile
• Lab. #47 - Precision Geosynthetic Laboratories, TX
• Lab. #49 - Engepol Geossinteticos Ltda.

---

[Method List]

[Laboratory List]

[GAI page]