Essentially PT standards without a fixed study schedule,
RapidReturn standards can be used for the following:

Compliance

Quickly demonstrate complaince with a PT requirement.

Corrective Action

If your lab has received "Not Acceptable" results on two out of your last three PT studies, enroll in a RapidReturn study to quickly regain accreditation.

Expanding Scope

Clients often request analytes outside of your current scope. Quickly add an analyte by enrolling in a RapidReturn study for the requested analyte.

Shop for RapidReturn Standards

Soil / Hazardous Waste
Water Pollution 
Water Supply 
Microbiological 
Underground Storage Tanks 
Air & Emissions
Biosolids / Sludge