Field Notes
Water & Sediment Grab Samplers: Types & Selection Guide for Canada
Choose the right grab sampler for surface water, sludge, and sediment collection. Types, depth ranges, materials, and regulatory protocols for Canada.
Soil & Groundwater Remediation Equipment for Canada: A Consultant's Guide
Soil and groundwater remediation equipment for Canadian consultants: SVE, pump-and-treat, bioremediation, and air stripping systems. Rent or buy — ERE.
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Calibration Gas: Types, Mixtures, and How to Choose
How to choose calibration gas for your gas detector — single vs multi-gas mixtures, concentrations, cylinder sizes, shelf life, and NIST-traceable certification. ERE Inc.
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Bump Test vs Calibration: The Gas Detector Maintenance Guide for Canada
Bump test vs calibration explained — what each does, how often gas detectors need them, what gear you need, and when to use a calibration...
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Fluorescein Dye: Colors, Detection, and Uses in Water Tracing
What fluorescein dye is, why it glows green, how low it can be detected, and when to use it for water tracing and leak detection...
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Fluorescent Tracer Dyes: Leak Detection and Water Tracing Guide for Canada
How to choose and use fluorescent tracer dyes for leak detection, sewer tracing, and flow studies — colors, formats, detection limits, and NSF 60 safety....
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Coliwasa Samplers: Types, Use, and Selection Guide for Canada
What a coliwasa sampler is, how to use one to capture a representative composite waste sample, and how to choose between glass, PTFE, and polyethylene....
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Drum and Tank Liquid Sampling: Equipment and Methods Guide for Canada
How to sample drums and tanks: coliwasa, drum thief, dipper, and sub-surface samplers matched to liquid type, plus Canadian waste-characterization requirements. ERE Inc.
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Confined Space Gas Monitoring Requirements in Canada: What You Need to Know
Confined space entry in Canada requires continuous gas monitoring. A guide to O2, flammable gas, H2S, and CO requirements, CSA Z1006, and equipment selection.
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