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Field Notes

Field technician pouring fluorescent green tracer dye into a stormwater channel
June 19, 2026

Fluorescent Tracer Dyes: Leak Detection and Water Tracing Guide for Canada

By ERE Inc.

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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Technician holding a glass coliwasa sampler showing a separated liquid column beside an open drum
June 19, 2026

Coliwasa Samplers: Types, Use, and Selection Guide for Canada

By ERE Inc.

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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Environmental technician lowering a sampling tube into a steel drum at an industrial waste yard
June 19, 2026

Drum and Tank Liquid Sampling: Equipment and Methods Guide for Canada

By ERE Inc.

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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Environmental consultant measuring water quality at a groundwater monitoring well with a Hanna Instruments multiparameter meter
June 18, 2026

Water Quality Meters for Environmental Work: A Buyer's Guide for Canada

By ERE Inc.

How to choose a water quality meter for field sampling, groundwater monitoring, and Phase II ESA work in Canada. Hanna Instruments models compared.

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Confined Space Gas Monitoring Requirements in Canada: What You Need to Know
June 14, 2026

Confined Space Gas Monitoring Requirements in Canada: What You Need to Know

By ERE Inc.

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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Industrial water filtration system with pressure vessels and multimedia filter housings in a Canadian industrial facility
June 13, 2026

Industrial Water Filtration Systems: Types, Applications & Selection Guide for Canada

By ERE Inc.

6 industrial water filtration technologies, Canadian regulatory requirements, and selection criteria by flow rate, contaminant, and effluent standard. ERE Inc.

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Environmental consultant using soil sampling equipment during Phase II ESA fieldwork in Canada
June 13, 2026

Phase II Environmental Site Assessment (ESA): Equipment Checklist for Canadian Consultants

By ERE Inc.

Phase II ESA equipment checklist for Canadian consultants: soil sampling, groundwater, soil gas, decontamination, and PPE per CCME and ASTM E1903.

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Industrial hygienist wearing a personal air sampling pump clipped to their lapel on a manufacturing facility floor
June 11, 2026

Air Sampling Pumps: Buyer's Guide for Environmental & Occupational Hygiene Professionals in Canada

By ERE Inc.

Compare Gilian, Sensidyne, and Zefon air sampling pumps by flow rate, accuracy, and NIOSH compliance. Rent or buy, calibrated. ERE Canada.

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Granular filtration media being loaded into a stainless steel pressure filter vessel at an industrial water treatment facility — ERE Inc. Canada
June 09, 2026

Water Filtration Media: Types, Applications & Selection Guide

By ERE Inc.

Filox, activated carbon, alumina, RhinoSand — how to choose industrial filtration media for iron, H₂S, manganese, arsenic, and VOC removal. Canadian supplier.

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