NADP Sample Field Deployment and Hold Times
Deployment Time = Sample “ON date/time” to sample “OFF date/time”
Field Hold Time = Sample “OFF date” to date received at lab
Lab Hold Time = Date received to Analysis/Preservation date
* Effective January 2022 and on
Field Hold Time = Sample “OFF date” to date received at lab
Lab Hold Time = Date received to Analysis/Preservation date
* Effective January 2022 and on
Quality Rating (QR) Code Definitions:
A – Valid data
B – Valid data with minor problems
C – Invalid data