The purpose of this document is as follows: 1) to provide guidance on the development of quality assurance project plans for ensuring the reliability of data gathered to evaluate dredged material proposed for discharge under the Clean Water Act or the Marine Protection Research and Sanctuaries Act, 2) to outline procedures that should be followed when sampling and analyzing sediments, water, and tissues, and 3) to provide recommended target detection limits for chemicals of concern.

• QA/QC Guidance for Sampling and Analysis of Sediments (PDF)(144 pp, 8 MB)