NJ Lead Paint InspectionNew Jersey · Lead-safe certification

Visual, dust-wipe, and XRF inspections explained

Three ways to check a New Jersey rental for lead-based paint. Here's what each one measures, what it costs, and when you need it.

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New Jersey recognizes a few ways to check a rental for lead-based paint. Which one you need depends on your town and the situation. Here's the difference so you're not guessing.

Visual assessment

A certified inspector examines painted surfaces for deterioration: chipping, peeling, chalking, and damage on the things kids touch and mouth, like window sills and door frames. It's the quickest and least expensive method, and for a well-maintained unit it's often all that's required to earn a lead-safe certificate.

Dust-wipe sampling

The inspector wipes defined areas, usually floors and window sills, and sends the samples to a lab to measure lead dust against federal limits. It costs more and takes longer than a visual assessment because of the lab step, but it directly measures the dust that actually harms children. Some municipalities require it.

XRF testing

XRF stands for X-ray fluorescence. A handheld analyzer reads how much lead is in the paint itself, layer by layer, without damaging the surface. It's the method behind a lead-free determination, because it can confirm there's no lead-based paint present at all. It's the most thorough and typically the most expensive.

Which do you need? For most pre-1978 rentals, a visual assessment or dust-wipe sampling satisfies the periodic requirement. XRF makes sense when you want a longer-lasting lead-free certificate. A certified inspector will tell you what your town accepts.

MethodWhat it measuresSpeed & cost
Visual assessmentDeteriorated paint you can seeFastest, lowest cost
Dust-wipe samplingLead dust, lab-measuredModerate, lab time added
XRF testingLead in the paint itselfMost thorough, highest cost
Questions

Inspection method questions

What's the difference between a visual and a dust-wipe inspection?
A visual assessment looks for deteriorated paint you can see and is quick and inexpensive. Dust-wipe sampling collects samples and sends them to a lab to measure lead dust, which costs more but measures the actual hazard. Your town decides which is required.
What is XRF lead testing?
XRF uses a handheld X-ray analyzer to measure how much lead is in the paint itself without damaging the surface. It's how a unit can be certified lead-free, and it's the most thorough option.
Which inspection type do I need for my rental?
For most pre-1978 rentals, a visual assessment or dust-wipe sampling meets the periodic requirement. XRF is worth it if you want a longer-lasting lead-free certificate. A certified inspector will confirm what your municipality accepts.

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