Sample Drop-Off
Following these guidelines ensures your samples stay
secure, compliant, and ready for timely processing by BLS.
Sample Drop-Off Checklist
Following these steps ensures your samples stay secure, compliant, and ready for timely processing by BLS.
Complete the appropriate Chain of Custody (COC) form.
Seal all sample bottle securely using tape.
Label each sample clearly.
Any samples dropped off without these items completed may experience delays.
If samples require microbiological testing, place samples in the provided cooler.
Sample Drop-Off Locations
Samples can be dropped off at the BLS Office Drop off Station location at:
10 Kimler Dr Suite G, Maryland Heights, MO 63043
Our front entrance foyer has a dedicated drop-off station with all necessary materials and clear process guidance.Sample Drop-Off Hours:
Samples can be dropped off at our BLS Drop-Off Station 24/7.
All samples are reviewed and processed daily at 2:00 p.m., Monday–Friday.
Samples left after 2:00 p.m. may be processed the following business day.
Sample Shipping
Samples are to be shipped directly to our laboratory during standard business hours:
Monday-Friday, 8:00 am to 4:30 pm CST.
Sampling supplies and shipping labels are available to order through your account manager. Supplies can ship directly to you or picked up at our Maryland Heights location. UPS is our preferred shipper of choice for non-biological testing. Anything requiring microbiological testing our preferred shipper of choice is FedEx.
Samples can be shipped to 10 Kimler Drive Suite G, Maryland Heights, Missouri 63043 and marked Attention: Brothers Laboratory Services.
FAQ
Do I need to request sample bottles from BLS, or can I use my own?
We can provide approved sample bottles to ensure proper testing.
Please contact BLS representative if you need sample bottles.
Where can I get a Chain of Custody (COC) form?
COC forms are available in our website footer (button) and blank physical copies are also stocked at the BLS drop-off station in our foyer.
What if I drop a sample after hours or on a Friday after 2 pm?
After-hours drop-offs will not be processed until the next business day.
How long will it take BLS to process my sample after drop-off?
Once received and confirmed compliant, samples are typically processed within a few business days.
Microbiological testing will increase the time needed for incubation purposes.
Noncompliance issues that can delay testing include:
Chain of Custody (COC) form is missing or incomplete.
Sample bottle was not securely closed with tape and spilled during transit.
A sample is missing a label or not clearly marked with an identifier.
Sample was not temperature-controlled (not placed in refrigerator/cooler where required).
Sample is missing compliance items at the after-hours drop-off station.
What happens if my sample is non-compliant?
Non-compliant samples are placed back in temperature-controlled storage, and a non-compliance alert will be delivered.
Are there special temperature requirements for transporting my samples before drop-off?
Yes for some sample types.
These samples should be kept cool during transport and placed directly into the designated cooler or refrigerator at the drop-off site.
Your account manager will indicate if the testing requires temperature control.
Are there additional costs for courier shipping vs. dropping off in person?
Yes. Shipping costs will not apply to drop off testing.
Is the after-hours drop-off station secure?
Yes. The BLS foyer station is indoors, temperature-controlled, and monitored to ensure sample integrity.
