The NADP Central Analytical Lab will begin disposal of NTN, AIRMoN and AMoN archived samples which have exceeded our sample retention policy. The following samples are available prior to disposal:
- NTN Archive Samples: 10 to 60 mL filtered precipitation (stored at 4°C); Samples from 2014 and 2015
- AIRMoN Archive Samples: 10 to 200 mL unfiltered precipitation (stored at 4°C); Samples from 2018
- AMoN Extracts – ~5 mL of passive ammonia sampler extract (stored frozen); Samples from 2018
All requests are subject to pricing and conditions set by NADP. Please contact the NADP Program Coordinator, David Gay at 608-263-9162 or at David.Gay@slh.wisc.edu for sample archive requests. All unrequested samples will be removed on March 1st, 2021 and these samples will no longer be available for request.