Testing Turn Around Time

Learn how to use the data below to estimate when your sample will be done by following this Guide

Wednesday, May 20, 2026 

Germination Unit is planting samples from: May 18 & 19
Purity unit is working on regular purity samples from: May 19 & 20
Turnaround time for tz tests is approximately 2 - 3 business days

We follow the OSU Holiday Schedule


Numbers below represent Certified and Non-Certified samples (new + retests) that are in the PURITY testing process, and include samples/retests that arrived late in the day. 

Date Sample or Re-test
Request Received

Number Samples Received

**Estimated Completion Day

RUSH & SUPER RUSH 1  
MAY 18 1 Today
MAY 19 8 Today / Thursday
Total 9  
*Estimated days to complete current total:  2  
**This is an estimate only. The actual turn-around time for a test will depend on multiple factors and can vary day-to-day. 

Number of samples completed by the Purity Unit on

May 19, including rushes: 11

*Includes weekends. If needed, contact the Lab for an estimated completion date of your test.
Samples and re-test requests that arrive after 4:00 pm are dated the following business day. Additional fees apply when requesting rush service, please contact the Lab for current rush availability and turnaround times.

Learn more about the Regular Speed of Seed Testing

In-line Block

Oldest Samples on File

Grass Grain Garden ISTA Native Tree
314255 321097 319863 call 322561 314027