Analysis and Testing

Can you test for Lead and/or Mercury in paint?
Yes. Analysis is typically conducted on a paint chip sample.   Typically a couple of stamp sized pieces is sufficient, submitted in a zip lock bag. ...
Mon, 4 Nov, 2019 at 11:01 AM
Method Summary - Ammonia - Nitrogen by Konelab AB SOP-00007
Ammonia-Nitrogen by Konelab - phenate colorimetric method  AB SOP-00007  Reference Method: Baird, R.B., Eaton, A.D. and Rice, E.W. Standard Methods for th...
Mon, 19 Nov, 2018 at 8:08 AM
Difference between Nitrates and Nitrites reported as N under “Nutrients” and NO3/NO2 under “Calculated parameters”:
The difference comes from the fact that dissolved nitrate is expressed in mg/L N, and the calculated value is converting the results to mg/L NO3. For ex...
Wed, 7 Nov, 2018 at 9:34 AM
Bunker C, Fuel Oil #6
Bunker C oil, also know as Fuel Oil # 6 falls into the C12-C32 carbon chain length group of fuels.  It contains a variety of impurities including PAHs (Poly...
Wed, 21 Nov, 2018 at 8:30 AM
How Total benzo(a)pyrene equivalents are calculated. Which parameters are used and how are NDs accounted for?
Total benzo(a)pyrene equivalents calculated by multiplying the water concentration of individual carcinogenic PAH’s by a standardized Benzo(a)pyrene Equival...
Wed, 7 Nov, 2018 at 9:42 AM
FREE CYANIDE - Method Summary
Free Cyanide Cyanide can be present in many different forms. Some cyanides are weakly bound to metals like copper or nickel. Others are strongly bound t...
Mon, 3 Dec, 2018 at 1:04 PM
Method Summary - Chemical Oxygen Demand (Total and Dissolved) AB SOP-00016
Chemical Oxygen Demand (Total and Dissolved) AB SOP-00016  Reference Method: Standard Methods for the Examination of Water and Wastewater, Section 5220D...
Mon, 19 Nov, 2018 at 8:13 AM
Oil and Grease. Difference between Gravimetric and Infrared
OG Gravimetric Total Oil and Grease (OGH) is a gravimetric analysis of oil and grease in water samples through extraction with hexane. It is applicable to ...
Mon, 23 Nov, 2020 at 2:38 PM
What is the difference between F4 Gravimetric (F4G) and Mineral Oil and Grease?
In most ways, these two analyses are very similar: both are gravimetric analyses, targeting hexane-extractable, semi-volatile hydrocarbons including any comp...
Mon, 4 Feb, 2019 at 9:26 AM
Total Oxidizable Precursors - TOP
Precursors = compounds that may convert to polyfluorinated alkyl substances (PFAS), in situ.  These compounds either already exist in the environment as con...
Thu, 28 Mar, 2019 at 9:35 AM