Field Notes
Drum Pump: How to Choose a Hand Pump for 55-Gallon Drums in Canada
How to choose a manual drum pump for 55-gallon drums: match wetted materials to the SDS, plan strokes per drum, and handle flammable liquids safely.
Full-Face Respirator: When It Beats a Half-Mask and How to Choose in Canada
When a full-face respirator beats a half-mask, how to match cartridges, fit test it quantitatively and what ERE carries from the 3M 6000 Series.
Read More
Qualitative vs Quantitative Respirator Fit Test: Which Method Fits Your Program in Canada?
Qualitative or quantitative respirator fit test? How each method works, which suits N95, half-mask and full-face respirators, and how often to retest under CSA Z94.4.
Read More
Combustible Gas Detector: LEL Monitors vs Leak Checkers for Canadian Sites
A combustible gas detector reads %LEL. Here is when you need an LEL monitor, a sample-draw unit or a fixed head, and when a ppm...
Read More
H2S Gas Detector Buyer's Guide: Personal, Fixed and Tube Options for Canada
Which H2S gas detector fits your site? Personal single-gas monitors, multi-gas units for confined spaces, fixed heads and detector tubes, sorted by use.
Read More
Dewatering Bags: Site Silt Bags vs Polymer Sludge Bag Systems for Canadian Projects
Two products share the name dewatering bag. Compare pump-in site silt bags with polymer-dosed sludge bag systems, with sizes, dry-solids figures and Canadian discharge rules.
Read More
Oil Absorbents: Pads, Rolls, Booms or Granular? How to Choose in Canada
Oil-only, universal or hazmat? How to match pads, rolls, booms and granular absorbents to the spill, and why capacity claims use different bases.
Read More
Ontario Workplace First Aid Kit Requirements: Which Kit for Your Shift Size
Ontario sets the first aid kit by workers per shift: 1-5, 6-15, 16-199, then a first aid room at 200. See what each box, station...
Read More
Calibration Weights Buyer's Guide: Choosing the ASTM or OIML Class for Your Balance
ASTM and OIML calibration weight classes compared by tolerance at 30 g, 100 g and 1 kg, matched to balance readability, with certificate options and...
Read More