Contact Us
Have questions about our testing services, pricing, or capabilities?
Complete the short form to the right, and a member of our team will follow up within 1-2 business days.
Hours & Contact Info
-
1930 Radcliff Drive
Cincinnati, Ohio 45204-1823 -
Mon - Fri: 8 AM - 5 PM
Sat - Sun: Contact us for special arrangements. - office@qlaboratories.com
- (513) 471-1300
Have questions about our testing services, pricing, or capabilities? Complete the short form below, and a member of our team will follow up within 1-2 business days.
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2026 Observed Holidays
| Holiday | Date | Carrier Receipt | Customer Drop-Off | Courier Service | Test Setup | COA Reporting |
|---|---|---|---|---|---|---|
| New Year’s Day | Jan 1 | NO | NO | NO | NO | NO |
| Martin Luther King Jr. Day | Jan 19 | YES | YES | Available Upon Request (1 week notice) | Available Upon Request (1 week notice) | Available Upon Request (1 week notice) |
| Memorial Day | May 25 | NO | NO | NO | NO | NO |
| Independence Day (Observed) | Jul 3 | YES | YES | Available Upon Request (1 week notice) | Available Upon Request (1 week notice) | Available Upon Request (1 week notice) |
| Independence Day | Jul 4 | NO | NO | NO | NO | NO |
| Labor Day | Sep 7 | NO | NO | NO | NO | NO |
| Thanksgiving Day | Nov 26 | NO | NO | NO | NO | NO |
| Black Friday | Nov 27 | YES | YES | Available Upon Request (1 week notice) | Available Upon Request (1 week notice) | Available Upon Request (1 week notice) |
| Christmas Eve | Dec 24 | NO | NO | NO | NO | NO |
| Christmas Day | Dec 25 | NO | NO | NO | NO | NO |
| New Year’s Eve | Dec 31 | YES | YES | Available Upon Request (1 week notice) | Available Upon Request (1 week notice) | Available Upon Request (1 week notice) |
2027 Observed Holidays
| Holiday | Date | Carrier Receipt | Customer Drop-Off | Courier Service | Test Setup | COA Reporting |
|---|---|---|---|---|---|---|
| New Year’s Day | Jan 1 | NO | NO | NO | NO | NO |
| Martin Luther King Jr. Day | Jan 18 | YES | YES | Available Upon Request (1 week notice) | Available Upon Request (1 week notice) | Available Upon Request (1 week notice) |
| Memorial Day | May 31 | NO | NO | NO | NO | NO |
| Independence Day | Jul 4 | NO | NO | NO | NO | NO |
| Independence Day (Observed) | Jul 5 | YES | YES | Available Upon Request (1 week notice) | Available Upon Request (1 week notice) | Available Upon Request (1 week notice) |
| Labor Day | Sep 6 | NO | NO | NO | NO | NO |
| Thanksgiving Day | Nov 25 | NO | NO | NO | NO | NO |
| Black Friday | Nov 26 | YES | YES | Available Upon Request (1 week notice) | Available Upon Request (1 week notice) | Available Upon Request (1 week notice) |
| Christmas Eve | Dec 24 | NO | NO | NO | NO | NO |
| Christmas Day | Dec 25 | NO | NO | NO | NO | NO |
| New Year’s Eve | Dec 31 | YES | YES | Available Upon Request (1 week notice) | Available Upon Request (1 week notice) | Available Upon Request (1 week notice) |
