Welcome to SGI Testing Services, LLC

SGI Testing Services, LLC (SGI) was established on 1 June 2001 with the intention of providing the highest quality testing services available in the area of Soil-Geosynthetic Interaction testing, following the purchase of GeoSyntec CSGI from GeoSyntec Consultants, Inc.by Dr. Zehong Yuan, the owners of SGI.

SGI operates under procedures prescribed by ASTM, FTMS, ISO, USEPA, AASHTO, and other applicable standard-setting agencies. Compliance with demanding certifications and exhaustive quality control helps assure consistent value in laboratory testing services. SGI maintains a very high level of quality control on all test results and reports.

In order to maintain this quality, the laboratory has an established Quality System that includes a Quality Manual with written policies, procedures and guidelines for the testing and reporting. This Quality System was established in accordance with the American National Standard Institute quality standard ANSI/ASQC Q9003-1994. The Quality System includes thorough internal reviews of test results and testing procedures. In addition, strict confidentiality and chain of custody procedures apply to all testing and reports.

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