Analysis and Testing

Is Mercury Included in a Standard Metals Scan?
A typical metals scan is run by ICP or ICPMS and metals included in the scan are run simultaneously from the same sample aliquot or soil or water. In most r...
Mon, 21 Jul, 2025 at 9:28 AM
What Are the Sources of Carbon Tetrachloride?
Carbon Tetrachloride has been typically associated with the production of refrigerants and propellants for aerosol cans.  As a solvent for resins, rubber wa...
Mon, 21 Jul, 2025 at 9:29 AM
What is an Aroclor?
"Aroclor" was the original trade name given to PCB (Polychlorinated Bipheyl) mixtures by the producer, Monsanto Company.   Aroclor PCB mixture...
Mon, 21 Jul, 2025 at 9:31 AM
What is a Congener?
When referring to analytical chemistry, congeners are chemically related substances or compounds. They are related either by origin, structure or function. ...
Mon, 21 Jul, 2025 at 9:32 AM
Soil and Sediment Hold Times for O.Reg 153 and CCME
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Mon, 21 Jul, 2025 at 9:38 AM
Water Hold Times for O.Reg 153 and CCME
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Mon, 21 Jul, 2025 at 9:42 AM
Why Are my Detection Limits Raised?
The raising of Reported Detection Limits (RDL) can occur for  a variety of reasons.  The most common reasons are: Concentration exceeds upper calibr...
Mon, 21 Jul, 2025 at 9:45 AM
Water Hold Times for Ontario Drinking Water (ODW)
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Mon, 21 Jul, 2025 at 9:52 AM
The Reported Result Values are Above a Regulatory Limit, Can you Reduce the Detection Limit (RDL)?
If the reported value for a parameter is greater than its Reported Detection Limit (RDL) and both are greater than an associated regulatory limit, reducing ...
Mon, 21 Jul, 2025 at 9:55 AM
What is the Difference Between Regular Silica Gel Clean Up & "ex-situ" Silica Gel Clean Up?
Silica gel clean up is a required step in the process of preparing and analyzing Petroleum Hydrocarbons, particularly those in the C10 to C50 carbon chain r...
Mon, 21 Jul, 2025 at 10:18 AM