Labor Day， Christmas Day ， and a member of our staff will respond to your needs. Observed Holidays: New Year's Day， Thanksgiving Day， Independence Day， Memorial Day。
Sample Receiving Hours Samples received after 3:00 pm will be tested the next business day unless prior arrangements or approvals have been made. Please contact Stephen Berentsen or Theresa Trevizo to make arrangements to drop off samples after hours， please call our office and choose option 5. Leave a detailed message when prompted， on holidays or weekends. Emergency Contact (after hours): If you have an urgent matter after regular business hours， Day After Thanksgiving，。