TM99-07 New Analytical Services Request Procedures for National Water-Quality Assessment Program Invertebrate Samples Shipped to the National Water Quality Laboratory
linkBeginning June 1, 1999, National Water-Quality Assessment (NAWQA) Program Study Units (SUs) collecting invertebrate samples will be required to fill out the same Analytical Services Request (ASR) forms that are routinely submitted for water sample analysis at the National Water Quality Laboratory (NWQL).