A study published in August put a hard number on something the countertop trade has watched build for years. Hundreds of workers who cut and polish engineered stone have developed an incurable lung disease. If you are in the middle of picking a quartz countertop, that headline lands badly. So here is the short version. The hazard is respirable dust, and dust only exists while a slab is being cut, ground, or polished. A finished countertop sitting in your kitchen is not producing any.
That distinction does most of the work here, and a lot of the coverage skipped it.
What Did the Silicosis Research Find?
Researchers tracked silicosis among workers who fabricate engineered stone countertops in California. Between January 2019 and June 2026 they counted 592 cases. Sixty-five of those workers needed lung transplants and 31 died. Every case traced back to workplace exposure on a fabrication floor, not to a finished countertop in somebody’s home.
The surveillance work behind those numbers came out of the California Department of Public Health with researchers at George Washington University, and it ran in NEJM Evidence. California shows the sharpest picture, and that is not because its shops are the worst in the country. The state made silicosis a reportable condition and widened how it collects cases, so more of them surface there.
Engineered stone is why the count is so lopsided. Quartz slabs are typically more than 90 percent crystalline silica by weight, denser in silica than granite or marble. Cut that on a dry saw for years without ventilation and the exposure stacks up.
Why Doesn’t an Installed Quartz Countertop Release Silica Dust?
Silica only becomes dangerous once it is airborne and small enough to reach deep lung tissue. In a finished slab, that silica is locked inside a cured resin matrix. Wiping the surface down, setting a hot pan on it, or chopping on a board over it releases nothing. Making dust takes mechanical energy: a blade, a grinder, a polishing wheel.
Federal regulators describe the exposure the same way. Respirable crystalline silica is created when cutting, sawing, grinding, drilling, and crushing stone, rock, concrete, brick and mortar. Read the verbs in that list. Every one of them is something done to stone in a shop, not something that happens to a countertop in a kitchen.
Day to day, quartz asks less of you than most stone surfaces. Quartz countertop maintenance comes down to mild soap and water, and that is not a coincidence. The same non-porous resin binding that keeps the surface sealed against a spilled glass of wine is what keeps the silica bound in place.
The One Place Stone Dust Can Reach Your House
There is a version of this that genuinely touches your home, and it is worth knowing about before install day.
Sometimes stone gets cut on site. A sink cutout that needs easing, a corner that has to come back a quarter inch, a seam that needs regrinding once the slabs are set. Done dry, with an angle grinder, inside a closed kitchen, that throws exactly the dust this research is about. Into your air, through your house, and into the lungs of the person doing it.
The fix is ordinary. Cut outdoors, cut wet, or run a saw with dust extraction attached. Nobody should be dry-grinding stone in an enclosed room, and you are allowed to say so.
Most of that work should not be necessary in the first place. When a shop measures with a laser template, the slab gets cut to precise dimensions before it ever leaves the building, so the crew shows up to set stone rather than to reshape it. Creative Countertop Solutions fabricates in its own Nashville shop, with an eight-day turnaround available on many projects.
Should You Ever Cut or Grind a Countertop Yourself?
No. Retrofitting a new sink or drilling for a soap dispenser is shop work, or at minimum work for someone with wet-cutting equipment and a respirator. A homeowner with an angle grinder in a closed kitchen is the worst version of this exposure anyone can create, and it is entirely avoidable.
If you are weighing materials and want to walk through what happens to your slab between template and install, ask the shop for a free estimate and bring the question with you.
Is the Quartz on Showroom Racks Changing?
Yes, gradually. Several major engineered stone manufacturers are reformulating toward low-silica and silica-free lines. The driver is fabrication-shop exposure rather than anything happening in finished kitchens. Over the next year or two you will see those products sitting beside conventional quartz, sometimes at a different price.
For you, the practical effect is small. These lines are built to look and behave like the quartz they replace, with the same non-porous surface and similar durability. Ask what a slab is made of if it matters to you, and ask whether the color you fell for exists in both formulations. Not every pattern has crossed over yet.
And if stepping away from engineered stone appeals to you, that is a reasonable conversation to have. The natural stone and porcelain alternatives each behave differently in a working kitchen, and none of them carry engineered stone’s silica density.
What This Should and Shouldn’t Change About Your Decision
Nothing in this research says a quartz countertop is unsafe to own. It says fabricating one is dangerous work when it gets done without controls, which is a shop-practice problem and a serious one.
So the useful question is not whether to buy quartz. It is who cuts it, and how. The shop that cuts and finishes your slab already decides your seams, your edges and your timeline. Shop conditions belong on that same list, alongside everything else that separates an operation running a real fabrication floor from one brokering the work out to whoever is cheapest that month.
It is a fair question to put to any shop you are considering.
Frequently Asked Questions
Is it safe to have quartz countertops in my home?
Yes. The documented health risk is occupational and comes from breathing dust generated while slabs are cut, ground and polished. A cured, installed slab does not shed respirable silica during normal cooking, cleaning or daily use.
Do granite and marble countertops carry the same silica risk?
Cutting any stone creates respirable silica, so the shop-floor precautions apply across every material. The difference is concentration. Engineered quartz is typically more than 90 percent crystalline silica, while granite and marble contain considerably less, which is why fabrication exposure clusters around engineered stone.
Can I drill or sand my own quartz countertop?
It is not worth the risk. Beyond the dust, engineered stone chips and burns easily under the wrong bit or blade, and a mistake near a sink cutout can crack a whole run. Have the shop handle modifications with proper wet-cutting equipment.
What does silica-free quartz actually mean?
It refers to engineered slabs reformulated with minerals other than crystalline silica, so fabricators are not exposed to it while cutting. The finished surface is designed to perform like conventional quartz. Availability, color range and price still vary by manufacturer and line.
Does an older quartz countertop get more dangerous over time?
No. The resin binder does not break down in a way that liberates silica dust, and an aging slab does not start shedding particles. Chips, scratches and dull spots are cosmetic and structural issues, not exposure issues.
Ready to Plan Your Nashville Countertop Project?
Picking a countertop should come down to how you cook, what you want the room to feel like, and how much upkeep you are willing to take on. Creative Countertop Solutions has been fabricating and installing across the Nashville area since 2009, working in quartz, granite, marble, quartzite, soapstone, solid surface, large-format porcelain and butcher block. Come see full slabs in person instead of guessing from a two-inch sample, and schedule a free estimate when you are ready to price the job.