soils laboratory testing

Adapt is a veteran-owned certified small business and multi-discipline environmental, geotechnical and structural consulting firm based in Seattle, Washington, operating throughout the Pacific and Inland Northwest including Washington, Oregon and Idaho. It was created by senior geotechnical and environmental program managers who left large engineering firms in the late 1990s, and has performed over 23,000 projects in the Pacific Northwest.

Aquifer testing and modelingconstruction monitoringenvironmental site assessmentsfoundation designgeotechnical engineeringHazardous waste testingremediationslope stability analysisStructural consultingSubsurface assessment

CA2 Testing (Concrete, Aggregate, and Asphalt Testing) is a family-owned and operated laboratory in Algodones, New Mexico, that began lab testing in New Mexico in 1997. It assists contractors and suppliers in providing high-quality concrete and asphaltic concrete for construction projects through field testing and mix designs, with all testing done in-house by certified technicians and engineers.

bituminous and aggregate laboratory testingconcrete and aggregate laboratory testingfield testingin-house testingmix designs

Construction Testing Laboratories, Inc. (CTL) is a special inspection and testing laboratory located in the Tacoma area, where it has resided for over fifteen years. CTL maintains the highest level of accreditation available for technical competence in its industry, as set forth in ISO17025:2005, and is accredited through bodies such as A2LA, AASHTO (R-18) and in accordance with ASTM E-329. It also maintains validation with the Army Corps of Engineers (ACOE).

aggregate testingasphalt mixture testingAtterberg limitsgrain size analysisHamburg wheel rut testingLA AbrasionMarshall method mix designsporous HMA mix designsspecial inspectionSpecific Gravitystandard and modified proctors for compaction testingSuperpave / Gyratory mix designsWSDOT Degradation

Froehling & Robertson (F&R) is the oldest independent consulting engineering/testing firm in the U.S., providing geotechnical engineering, environmental consulting, and construction materials testing and special inspections services throughout the Mid-Atlantic region. F&R also offers in-house drilling services, geostructural monitoring, and specialty engineering services.

barge drillingconstruction materials testingdrillingenvironmental consultinggeostructural monitoringgeotechnical engineeringGIS/GPS subsurface explorationNondestructive Testingspecial inspections