Lead and copper in drinking water, first draw
Six-hour stagnation, first-draw volume, and why the age of the property belongs on the form.
Free to anyone
How to collect every test we run, what equipment you need, and what the rules are. Every one is free and open, you do not need an account to watch.
2 lessons and 3 guides, with forms, downloads and supply links.
Six-hour stagnation, first-draw volume, and why the age of the property belongs on the form.
Ice, overnight courier, seals, and which of our three addresses your samples actually go to. Water does not go to Union.
Which drinking water metals panel fits a school, private well, municipal system or building, the SDWA and LCRR limits, and the bottle and preservation rules.
Three PFAS panels run through accredited partner labs: which panel fits your site, the 2024 EPA drinking water limits, and the collection rules that keep samples clean.
Metals analysis for NPDES effluent compliance, industrial pretreatment and effluent characterisation: which service fits your permit, and how to collect and ship.