KENTUCKY
Region 4 of the U.S. EPA has granted region wide approval for the use of LDO for reporting purposes. To use, contact your NPDES permit regulator. » Hach Method 10360 » EPA Hach method Approval Letter » ASTM Standard D888-05 Approval Letter » EPA/ASTM Validation Study
Abigill Rains	(502) 231-2225 *170