Geosynthetic Accreditation Institute

---

ASTM D1790
Standard Test Method for Brittleness Temperature of Plastic Film by Impact

---

List of Accredited Laboratories:

• Lab. #1 - TRI Environmental
• Lab. #13 - TRI Environmental (Precision Geosynthetics Laboratory)
• Lab. #38 - CTT Group (SAGEOS)

---

[Method List]

[Laboratory List]