Babcock Laboratories, Inc. is officially an EPA approved laboratory for UCMR 4! We are now fully approved by the U.S. EPA for all UCMR 4 analyses. 

Babcock Labs has received certification for each round of UCMR since the inception of the program. Our experience with the program and our expert staff make Babcock Labs an excellent resource for UCMR 4 questions and testing services.