Field Notes
Phase II Environmental Site Assessment (ESA): Equipment Checklist for Canadian Consultants
A Phase II Environmental Site Assessment requires confirmed, defensible sampling data — and the equipment list that gets you there is longer than most project...
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Air Sampling Pumps: Buyer's Guide for Environmental & Occupational Hygiene Professionals in Canada
Selecting the right air sampling pump is a precision decision: the wrong flow rate or a pump that drifts during an 8-hour shift can render...
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Water Filtration Media: Types, Applications & Selection Guide
Choosing the wrong filtration media is an expensive mistake: the media either fails to remove your target contaminant, exhausts prematurely, or requires operating conditions your...
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Groundwater Bailers: Types, Materials & Selection Guide
Groundwater bailers are the simplest and most reliable sampling devices used in environmental site assessments across Canada. Choosing the wrong bailer material for your target...
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uPVC vs Stainless Steel Filter Housings: Chemical Compatibility & Selection Guide
For most industrial process water applications, uPVC filter housings cost 40–60% less than stainless steel equivalents and outlast them in corrosive service — but specify...
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Gas Detector Calibration in Canada: Requirements, Schedule & Best Practices
A gas detector that hasn't been calibrated recently is worse than no detector — it gives false confidence. In Canada, calibration requirements for portable gas...
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Gas Detector Rental in Canada: What to Know Before You Rent
Gas detector rental makes sense when your project window is short, your instrument requirements change job to job, or you cannot justify the purchase price...
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Soil Sampling Equipment in Canada: Augers, Core Samplers, and Split Spoons
The quality of a Phase II ESA, geotechnical investigation, or contamination screening program starts with the tool going into the ground. A sand auger used...
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Bag vs Cartridge Filtration: Which to Use and When
Bag filters and cartridge filters both remove particulate from liquid process streams — but they are not interchangeable. Choosing the wrong technology for your application...
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