Mould testing is one of the most frequently misunderstood services a laboratory offers. Clients often expect a simple pass/fail result, but mould spore counts require context to be meaningful. This article explains what the numbers represent and what to do with them.
Food microbiological testing sits at the intersection of food safety regulation and practical production management. For small and mid-sized food producers in Ontario, the question is often not whether to test, but which tests apply to their product and how to interpret the numbers that come back.
When a Phase II Environmental Site Assessment turns up petroleum hydrocarbons in soil, the next question is almost always: which CCME table applies? The answer depends on land use, and getting it wrong at the sampling stage means either over-remediating a site or submitting a report that a regulator will send back. This article walks through the key distinctions.
Health Canada revised its Maximum Acceptable Concentration for lead in drinking water to 0.005 mg/L in 2019, cutting the previous guideline in half. For older buildings with lead solder or lead service lines, that revision changed what a passing result looks like. This article explains the sampling protocol and what to do with the numbers.
The laboratory you choose for a Phase II Environmental Site Assessment affects not just the quality of the data, but the defensibility of the report. Regulators and property owners both rely on the analytical results to make decisions with significant financial and legal consequences. This article outlines the key factors to evaluate before you commit to a laboratory.
Volatile organic compounds are a broad category. The term covers everything from benzene (a known carcinogen) to the terpenes released by a pine floor finish. Not all VOCs are equally concerning, and not every building needs testing. This article helps you decide when testing is warranted and what the process involves.
Chain of custody is one of those phrases that appears on every laboratory submission form but rarely gets explained. For clients submitting samples for regulatory purposes, a broken chain of custody can invalidate results that took days to generate. This article explains what the documentation actually records and how to handle it correctly.
ICP-MS appears on a lot of laboratory reports without much explanation of what it actually does. For clients who need to understand why a particular technique was used, or who are comparing methods across laboratories, a basic understanding of the technique is useful.
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