QA_CODE,QA_CODE_DESCRIPTION,QA_CODE_USAGE
ND,Not detected at level indicated in result column,Sediment chemistry QA code
B,Reagent blank contamination,Tissue chemistry QA code
C,Continuing calibration checks outside limits,Tissue chemistry QA code
D,Duplicate sample precision outside limits,Tissue chemistry QA code
E,Endrin/DDT breakdown products exceed limits,Tissue chemistry QA code
K,Trace detected at detection level,Tissue chemistry QA code
L,Results exceeds calibration linearity,Tissue chemistry QA code
M,Miscellaneous,Tissue chemistry QA code
NA3,Third fraction not analyzed due to high oxidized fatty material,Tissue chemistry QA code
NA4,Not analyzed due to miscellaneous reasons,Tissue chemistry QA code
ND,Not detected at level indicated in result column,Tissue chemistry QA code
NF,Miscellaneous,Tissue chemistry QA code
NM,No measurement made,Tissue chemistry QA code
NS,Not sampled,Tissue chemistry QA code
NT,Not analyzed due to fat,Tissue chemistry QA code
R,Surrogate recovery outside acceptance range,Tissue chemistry QA code
R1,Rerun analysis Batch 1,Tissue chemistry QA code
R2,Rerun analysis Batch 2,Tissue chemistry QA code
S,Spike recovery outside limits,Tissue chemistry QA code
U,The detection limit was used for the concentration of the analyte,Tissue chemistry QA code