Accredited by the American Association for Laboratory Accreditation (A2LA)


1412 Murray Avenue
Tifton, Georgia 31794

phone: (229) 382-7292
fax: (229) 382-7992

e-mail: pgaines@friendlycity.net

describes the goals, purposes, and practices of the laboratory, why this information is important, and our A2LA scope of accreditation for Geotechnical (Putting Green Materials) Testing.


describes the tests we run, current price list, turn-around time, 2004 USGA recommendations and how to take and send samples including undisturbed soil cores.


lists some of our clients over the years including golf courses and athletic fields we have provided with rootzone mix designs.


discusses some of the articles we have published over the years.


describes our lab personnel and their qualifications and experience.


Welcome to
Tifton Physical Soil Testing Laboratory, Inc.

The Tifton Physical Soil Testing Laboratory, Inc. (TPSTL) is a physical soil testing laboratory that offers professional testing and consulting services to the golf course and sportsturf industry.  TPSTL was established in 1982 and has developed over 20,000 putting green mixes that met USGA physical property recommendations for golf green construction in the U.S. and over 100 foreign countries.  The laboratory is accredited by the American Association for Laboratory Accreditation (A2LA) for technical competence in the field of Geotechnical (Putting Green Materials) Testing. Our website offers you an easy way to learn about our laboratory.

Our laboratory participates in the USGA Green Section Proficiency Testing Program which began in 1996.  Results from this interlaboratory exchange of testing rootzone samples show that our values are accurate and precise for all physical property parameters used by the USGA to assess the physical quality of a rootzone mix.

We welcome you to our website and look forward to working with you on your project.   While our staff is proficient and meticulous in their work, we are friendly, cooperative, and easy to work with.  Thank you for your questions and comments..

tells you how to contact us by phone, fax, mail, or email.