Code specifying the step in the sample process.
Code specifying the selection method for a sample.
Code qualifying the frequency.
A value indicating a repetitive occurrence.
Code specifying the unit of measurement.
Code specifying the state of a sample.
Code specifying the direction in which a sample was taken.
Code specifying the sample location.
Free form description of the sample location.
Code specifying the sample location.
Free form description of the sample location.
Code specifying the sample location.
Free form description of the sample location.
