CP002

Attribute: PVOLCODE

code		description
A		Accepted value
K		Volume is precipitation plus added DIW (usually 250 ml). concentration values are based on this volume.
L		Volume of lab water (DIW) added to dry bucket (usually 250 ml). concentration values are based on this volume.
M		Volume is precipitation in dry bucket (liters). Concentration values are based on this volume. No DIW added to the precipitation water.
N		No sample volume value available
Q		Sample volume value is questionable - typically implies volume is measured correctly, but volume does not represent the entire collection period