Dataset:              Chemistry QA Code Lookup Table
File Name:            va91_4_5.txt
Date Created:         02/23/96
# Variables:          2
# Header Records:     12
# Data Records:       3

Variables:    CODE         Sediment and Tissue Chemistry QA Code
              DESCR        Resolution of QA Code

CODE      DESCR

CH-A      The Analyte was not detected. 


CH-B      The reported concentration is below or
          equal to the detection limit. 


CH-C      The reported concentration is considered
          an estimate because control limits for
          this analyte were exceeded in one or
          more quality control samples.