Qualifications
NovaChem Laboratories retains NELAC certification and state approvals for the measurement of ClO2-, ClO3-, Br- and BrO3- in drinking water.
NovaChem participates in a USEPA certified Proficiency Testing (PT) program for the analysis of chlorite, chlorate, bromide and bromate ions.
The PT program is certified to meet the following requirements:
Accredited by NIST according to the National Voluntary Laboratory Accreditation Program for Chemical Calibrations: Providers of Proficiency Testing.
The PT program is certified to meet all requirements as specified in the USEPA National Standards for Water Proficiency Testing Program Criteria Document (NERL-Ci-0045).
The analytical methods submitted for proficiency testing are USEPA Method 300.1 and 317-CLP Detection.
Demonstration of Method Capabilities
| MDL (ug/L) | Mean Recovery (%) | RSD (%) | |
|---|---|---|---|
| ClO2- | 0.3 | 98 | 0.4 |
| ClO3- | 0.5 | 100 | 2.4 |
| Br- | 0.4 | 105 | 1.9 |
| BrO3- | 0.6 | 110 | 9.2 |