We Focus On Quality Assurance & Customer Service 
Many thanks to all of you for your continued business and support!

We at CHL are grateful to work along side professionals from various sectors of the environmental industry, academia, and resource management and want to remind everyone of our Customer Referral Program. If you appreciate our services and pass on a recommendation, we want to say thank you with a discount on your current or upcoming invoice.

We also want to alert you that supply prices will increase on January 1, 2022. We are nearing the end of current stock for various dyes and will be adjusting pricing on certain specialty items. If you anticipate a project starting early in the new year and would like to take advantage of our current 2021 supply prices, contact us by December 13.
*************** HOLIDAY SCHEDULE*****************

CHL will be closed November 24-26 and December 20-31.

Any samples received after noon Monday, November 22, will be officially checked-in by the lab on the following Monday, November 29. Any samples received after noon Friday, December 17, will be checked in on Monday, January 3. Our standard turnaround time is 10 business days and applies to days the laboratory is open.

If you anticipate supply needs during this time, please place orders by Monday, December 13, for guaranteed fulfillment prior to the winter holiday. If you have any concerns or questions please contact us at your earliest convenience.
RESEARCH HIGHTLIGHTS
Congratulations to our 2021 student grant recipient, Ms. Sarah Arpin. Arpin is a PhD candidate at the University of Kentucky and the CHL award will support her work, Hydrogeology of The Silvertip Karst, Bob Marshall Wilderness Area, Montana. Arpin is a 2013 WKU GeoScience graduate and currently serves as a Geologist for the Kentucky Geological Survey. Safe travels and happy dye tracing Sarah!

Celebrating the 2021 IYCK!
Explore. Understand. Protect.
CHL is currently working with Mammoth Cave National Park to study potential impacts to water quality associated with different types of visitor use. As part of the cooperative agreement, WKU students are getting hands-on research experience in the field and laboratory.

Check out the Mammoth Cave Natural Resource Condition Assessment CHL recently published with other WKU and NPS colleagues.
Address: 1906 College Heights Blvd.
Bowling Green, KY, 42101
Phone: 270-745-9224