The DMRQA-33 Announcement is now available on-line!
http://nsi-es.com/DMRQA.aspx

NSI's 2013 Environmental PT/QC Catalog is now on-line!

NSI transitions to ACLASS Accreditation!

Accredited To:
ISO Guide 34:2009, ISO/IEC 17025:2005, ISO/IEC 17043:2010, ISO 9001:2008

Now Online NSI's Organic, Inorganic, and Microbiological Reference Materials Catalog

NEW!!  ISO34 Certified Reference Material for Triplicate BOD5 GGA Test.
 
NEW BOD Dilution Water Reagent Set.  Each ready-to-use, aqueous solutions set
contains ...more

Certified Standards for Coliform Analysis-Applicable to any coliform analysis method! 
Check out our product line, under the new products and promotions section. 
View our demonstration videos too! ...more

PT Datalink is much more than on-line data entry. It includes simplified on-line data entry and modification screens. Drop-down screens for NELAC method and technology codes. Downloadable PT reports ...more

NSI Solutions is represented in many countries. NSI is currently looking for distributors in countries that are not listed. Please contact us if you are interested in becoming a distributor. ...more

Check out our demonstration video on our E.coli standards. Positive control for all of your coliform analyses and negative control
for all your Fecal Coliform and E.coli analyses. 
For more information on our microbiological line go to our new products and promotions section. ...more