Environmental and geotechnical engineering in the nature of subsurface investigations; construction materials testing for quality assurance and quality control; analytical chemistry consultation; calibration services in the areas of dimensional, mass, force, time, and thermodynamic requirements; metallurgical laboratory services in the nature of mechanical and welding evaluations including tensile, impact testing, hardness, micro-hardness, corrosion evaluations, and weld testing; commercial and consumer product quality evaluation and testing, namely, life cycle and endurance testing, pressure testing, hydraulic component and assemblies testing, vibration and shock testing, thermal shock tests, temperature and humidity testing, xenon, sunlight and rain testing, salt fog and spray testing, adhesion testing, corrosion testing, dust testing, flammability testing, glass impact testing, and ultraviolet exposure testing