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Physical soil testing is the process of analyzing the gravel, sands, and amendments, used in green construction to determine factors such as porosity, hydraulic conductivity, whether or not the sand is calcareous, and the actual size of the materials.
The laboratories listed below specialize in physical soil analysis for the golf industry. Before submitting samples to a laboratory, be sure to contact the lab for specifics regarding the amount of materials required for testing, the types of tests they offer, fees for their services, and shipping instructions. Keep in mind that it takes time to perform these tests and that the first batch of materials you submit may not meet your construction requirements. Be sure to begin the testing process early enough to allow re-testing of subsequent materials, if necessary.


What does accreditation mean? The American Association for Laboratory Accreditation (A2LA) is a non-profit, professional membership society committed to the success of laboratories through the administration of a broad-spectrum, nationwide laboratory accreditation system and a full range of training on laboratory practices taught by experts in their field.
A2LA accredits testing laboratories in the following fields: acoustics and vibration, biological, chemical, construction materials, electrical, environmental, geotechnical, mechanical, metrology, nondestructive and thermal. Accreditation is available to private, independent, in-house and government labs. To learn more about A2LA, browse to www.a2la.org.
The following laboratories are accredited by the American Association for Laboratory Accreditation (A2LA), having demonstrated ongoing competency in testing materials specified in the USGA's Recommendations for Putting Green Construction. The USGA recommends that only A2LA-accredited laboratories be used for testing and analyzing materials for building greens according to our guidelines.

Brookside Laboratories, Inc.
308 Main Street
New Knoxville, OH 45871
Attn. Mark Flock
Voice phone: (419) 753-2448
Fax: (419) 753-2949
E-mail: mflock@BLINC.COM
URL: http://www.blinc.com

Dakota Analytical, Inc.
833 Gateway Drive NE
East Grand Forks, MN 56721
Attn. Diane Kuehl, Laboratory Manager
Voice phone: (701) 746-4300 or (800) 424-3443
Fax: (218) 773-3151
E-mail: sales@dakotapeat.com
URL: http://www.dakotapeat.com

European Turfgrass Laboratories Limited
Unit 58
Stirling Enterprise Park
Stirling FK7 7RP Scotland
Attn: Sharon Bruce
Voice phone: (44) 1786-449195
Fax: (44) 1786-449688
E-mail: europeanturf@aol.com
URL: www.etl-ltd.com

Hummel & Co.
35 King Street
P.O. Box 606
Trumansburg, New York 14886
Attn: Norm Hummel
Voice phone: (607) 387-5694
Fax: (607) 387-9499
E-mail: soildr1@zoom-dsl.com
URL: http://www.turfdoctor.com

Hutcheson Technical & Soil Services
8 West Street, South
Huntsville, ON, Canada, P1H 1P2
Attn: Chelsea Stroud-Gammage
Voice phone: (705) 788-0407
Fax: (705) 789-4457
URL: www.hutchesonsand.com

ISTRC New Mix Lab LLC
1530 Kansas City Road
Lenexa, KS 66215
Attn: Bob Oppold, COO
Voice phone: (800) 362-8873
Fax: (913) 829-4013
E-mail: istrcnewmixlab@worldnet.att.net
URL: www.istrc.com

Sports Turf Research Institute
St. Ives Estate, Bingley
West Yorkshire BD16 1AU
England
Attn: Michael Baines
Voice phone: +44 (0) 1274-565131
Fax: FAX: +44 (0) 1274 561891
E-mail: stephen.baker@stri.org.uk
URL: www.stri.co.uk

Thomas Turf Services, Inc.
11183 State Highway 30
College Station, TX 77845
Attn: Bob Yzaguirre, Lab Manager
Voice phone: (979) 764-2050
Fax: (979) 764-2152
E-mail: soiltest@thomasturf.com
URL: http://www.thomasturf.com

Tifton Physical Soil Testing Laboratory, Inc.
1412 Murray Avenue
Tifton, GA 31794
Attn: Powell Gaines
Voice phone: (229) 382-7292
Fax: (229)382-7992
E-mail: pgaines@friendlycity.net
URL: http://www.tiftonsoillab.com

Turf Diagnostics & Design, Inc.
613 E. 1st Street
Linwood, KS 66052
Attn: Sam Ferro
Voice phone: (913) 723-3700
Fax: (913) 723-3701
E-mail: sferro@turfdiag.com
URL: http://www.turfdiag.com
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