GBRA will be closed on Thursday, November 23 and Friday, November 24, in observance of Thanksgiving.
Any microbiological samples, nitrate, nitrite and/or orthophosphate samples should be sampled and delivered Monday, November 20 and Tuesday, November 21.
BOD/CBOD Collection Schedule
Monday, November 20: Collect all samples at or after 2 p.m.
Tuesday, November 21: Collect and/or deliver samples
Wednesday, November 22: Collect samples and deliver no later than 12 p.m.
Thursday, November 23: GBRA CLOSED
Friday, November 24: GBRA CLOSED
Please adhere to the schedule above in order to process samples within hold times and avoid additional surcharges.
Please note, not all sample collectors have provided GBRA with work emails. This email is only sent to operators with an email address on file at GBRA. Please inform all operators of the holiday closure in order to avoid rejected samples and/or incurring holiday surcharges. 
For emergencies, please contact the Laboratory at 830-463-7160.
Thank you for your cooperation,
Laboratory Management
Normal hours of operation are Monday through Friday from 8 a.m. to 5 p.m.