Thank you for your interest in SEASTAR™’s products.  Please see the guide at the bottom of the page to help you navigate the CofAs page.

1) Select grade (Instrument Quality = ppb , Baseline = ppt)
2) Select product type
3) Select year product was certified.  If you know the lot number, use the 3rd and 4th digits to determine the year.
Eg. 1115030 would be found in the 2015 folder.
4) Select lot number