All lead test kits require practice ... An XRF gun isn’t the best choice for some surfaces. And if you get positive results, you should follow up with a lab test. XRF screening costs about ...

And finally, even the best DIY kits are not very comprehensive ... Again, we think DIY lead-test kits are an excellent value, and if lead is your only worry, they are a quick and inexpensive ...

lead, fluoride, iron, PH level, copper, nitrate and other contaminants. Not only is it this the best well water testing kit ...

If you need only a lead test, the nonprofit Healthy Babies Bright Futures offers a low-cost one. You could also try one of the mail-in kits, described below, that CR has tested. All involve ...

Some Stanley owners, hoping to check the claims, started to use home lead-testing kits, which experts say are not reliable. A sendup of the Stanley cup phenomenon on “Saturday Night Live” over ...