VOC · Metals
Not recorded yet
Fire and smoke damage: what to sample and why
Char, soot and ash on surfaces after a fire, and how a particulate result supports a restoration scope.
Metals
2 lessons and 3 guides, with forms, downloads and supply links.
Asbestos · Mould
Not recorded yet
Packing and shipping samples so nothing is rejected
Ice, overnight courier, seals, and which of our three addresses your samples actually go to. Water does not go to Union.
Guide
2 min read
Drinking water metals: choosing a panel
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.
Guide
2 min read
Wastewater metals
Metals analysis for NPDES effluent compliance, industrial pretreatment and effluent characterisation: which service fits your permit, and how to collect and ship.
Guide
2 min read
TCLP and hazardous waste characterisation
Is your demolition debris, soil or industrial waste hazardous? The three TCLP panels, the RCRA 8 limits and the field rules that keep samples valid.
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