GMS Laboratories, Inc. takes pride in its quality control programs. To assure accurate results, quality control is verified by checking soil and chemical standards after every tenth unknown sample and by duplicating no less than 4% of all unknown samples.
GMS Laboratories, Inc. is a member of the Illinois Soil Testing Association, participating in all its accreditation and split sample programs. As a charter member of the Collaborative Testing Services, Agricultural Laboratory Proficiency program, GMS tracks both accuracy and any biases to assure clients of test results. Its uniquely trained staff uses only methods that are recognized and approved by University of Illinois and the North Central Regional Soil Testing Committee.
GMS Laboratories, Inc. laboratory technicians are personally trained by owner, Georgia Steffen, who received intensive training as a medical laboratory technician. This enables GMS to treat all samples with the accuracy and precision of a medical laboratory, guaranteeing the most reliable results for clients. Georgia Steffen also offers more than 30 years experience in soil testing as owner of GMS Laboratories, Inc.
GMS Laboratory, Inc. has provided Midwest agriculture with up to date mapping capabilities and data files for VRT fertilizer and planting needs. To us it’s not just about Precision Farming, it’s about helping our clients be more profitable. If it doesn’t make sense then we won't recommend it.
Serving agriculture by advising producers and industry for maximum production, yield, and profit while promoting soil stewardship.
— GMS Laboratories Mission Statement.