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To place an online order, please sign in and create a store account. If you require overnight shipping, please call us at 270-745-9224 to place your order.

You will be invoiced for your order within 30 days. There will be a 25% service fee applied to all invoices.

Please view our updated 2018 fee schedule for products and services CHL Fee Schedule


CHL Holiday Schedule 2018

CHL will be operating on an as-needed basis from December 17 – 28, with the lab officially closed on December 24-26, 31, and January 1. We will be accepting samples as usual and will maintain our 7-business day turnaround time. However, we will not be offering expedited analysis or next-day shipping on supply orders.

Please make sure to send all shipments to arrive by December 21 or after January 2. Campus shipping and receiving will be closed Dec 24-28, packages could be returned to sender. Please contact us if this affects your sampling schedule or other project plans and we can make other arrangements for sample shipment.

Please contact us before December 17 if you anticipate placing an order during this time.

As always, we appreciate your business and wish you a safe and happy holiday season!!