GSA Schedule 873, Laboratory Testing and Analysis Services covers a wide array of services which includes the following:

• 873-1  Mechnical Testing Evaluation and Analysis - services for mechanical testing and analysis include, but are not limited to, material strength testing;
• 873-2  Chemical Testing and Analysis Services - services for chemical testing and analysis include, but are not limited to, wet chemistry and associated physical tests, viscosity/density testing, electrochemistry testing;
• 873-3  Electrical Testing and Analysis Services - services for electrical testing and analysis include, but are not limited to, qualification, inspection, safety, performance, certification;
• 873-4  Geotechnical and Thermal/Fire Testing and Analysis Services - services for geophysical and thermal/fire testing and analysis include, but are not limited to, construction material testing; and 
• 873-99  Introduction of New Testing and Analysis Services - laboratory testing and analysis services not covered above include, but are not limited to, specialized or customized tests.