Aerospace; Inspection Testing; Home; Press Releases; Laboratory Testing is an independent Nadcap and A2LA accredited testing laboratory in business since 1984. LTI specializes in metals and some plastics; Complete Fastener Testing; Mechanical Properties, Chemistry, Metallography, Corrosion; Dimensional Inspection; Nondestructive Testing (X ray Inspection, Liquid Penetrant Testing, Magnetic Particle Inspection); Failure Analysis; Testing to Standards, Specifications; ASTM, NAS, NASM, SAE and ISO, Power Equipment ...