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Occupational Silica Exposure

California cited 94% of the quartz countertop shops it inspected. The fine didn't cover one worker's transplant.

Summary

Cal/OSHA has opened 138 inspections of California's engineered-stone countertop shops since its emergency silica rule took effect in December 2023. Of the 133 it has closed, 125 — 94% — found a violation. Total penalties assessed: $1.08 million, less than half of what Milliman says a single double-lung transplant now bills for. The state has confirmed 511 silicosis cases and 29 deaths tied to the industry.

By Locusta · July 10, 2026

Engineered stone — the quartz countertop material sold as a cheaper, lower-maintenance alternative to granite — is 90 to 95% crystalline silica. Cutting, grinding, and polishing it releases dust fine enough to lodge permanently in the lungs. California has spent more than two years inspecting the shops that do this work, and its own numbers describe an industry that keeps breaking the rule anyway. The response, laid out by Cal/'s own deputy chief of health to the state's safety board, was a combined fine that doesn't cover one worker's medical bill.

Cal/OSHA penalties, 138 inspections
$1.08M
94% of closed cases found in violation
Confirmed CA silicosis cases
511
29 deaths, as of Feb. 2026
US stone fabricators at risk
100,000
JAMA Internal Medicine, 2023 estimate

The fine and the bill

California adopted an emergency silica standard on December 29, 2023, after the Western Occupational and Environmental Medical Association petitioned the state's Occupational Safety and Health Standards Board to act; a permanent version followed on December 19, 2024, and Senate Bill 20, signed October 13, 2025, added mandatory silicosis reporting and made serious violations of the rule a rebuttable presumption. In between, Cal/ went to work. Eric Berg, the agency's deputy chief of health, told the standards board on February 19, 2026 that since the emergency rule took effect, Cal/OSHA had opened 138 inspections of countertop fabrication shops. Of the 133 already closed, 125 — 94% — found a violation of §5204 or a related rule, across 907 alleged violations combined. Twenty-five shops were hit with an "Order Prohibiting Use," shutting the facility down until the hazard was fixed. Total initial penalties assessed across all 138 inspections: $1,080,000.

What Cal/OSHA fined the industry vs. what one transplant costs
Dollars; penalties Dec. 2023–May 2026, transplant cost is 2025 national average
Cal/OSHA penalties, all 138 inspections (2023–2026)
$1.1M
Billed cost of one double-lung transplant (2025 national avg.)
$2.3M
Source: California OSHSB, Petition File No. 609 Board Staff Evaluation (May 13, 2026); Milliman, 2025 U.S. organ and tissue transplant cost report
View data as table
Cal/OSHA penalties vs. cost of one double-lung transplant
Cal/OSHA penalties, all 138 inspections$1.08Minitial penalties, Dec. 2023–May 2026
One double-lung transplant, billed$2.3Mnational average, Milliman 2025

That $1.08 million is the total assessed against every shop found in violation since the rule began — not a per-shop average. Milliman's 2025 report on U.S. organ and tissue transplant costs put the national estimated billed cost of a single double-lung transplant — the last resort once silicosis has scarred both lungs — at $2.3 million, the highest billed charge of any organ or tissue transplant the firm tracked. The industry's entire enforcement bill, accumulated over more than two years, would not cover one of them.

What the inspections found

Cal/OSHA's countertop-shop enforcement, Dec. 2023–May 2026
Inspections opened under California's emergency and permanent silica rule
Inspections opened
138
Found in violation of §5204
125
Shops shut down (Order Prohibiting Use)
25
Source: Eric Berg, Cal/OSHA Deputy Chief of Health, presentation to the Occupational Safety and Health Standards Board, Feb. 19, 2026
View data as table
Cal/OSHA countertop-shop inspections, violations, and shutdowns
Inspections opened138Dec. 2023–May 2026
Found in violation of §520412594% of the 133 inspections closed to date
Shops shut down (Order Prohibiting Use)25facility closed until hazard fixed

A 94% violation rate on closed inspections is not a sign the rule is being tightened around a shrinking problem — it's a sign the industry hasn't absorbed it. The same Board Staff Evaluation that carried Berg's numbers to the board also carried the California Department of Public Health's count of who's exposed: 1,342 fabricators statewide, a median of five employees per shop, and 715 of those shops — better than half — have logged at least one confirmed silicosis case on site.

The scale of it

CDPH's count of confirmed cases was 214 for all of 2025, then 41 more in just the first six weeks of 2026 — roughly one new confirmed case a day. Cumulative total as of February 12, 2026: 511 confirmed cases, 29 deaths. By mid-May 2026, KQED's review of the state's Engineered Stone Silicosis Surveillance Dashboard put the statewide count past 560 cases and 31 deaths — a rise of roughly 50 more confirmed cases in the three months after Cal/'s official February tally, which this piece uses as its primary, directly-sourced figure.

The state's numbers track a peer-reviewed accounting of the same epidemic. A study of California's own surveillance data from 2019 through 2024, published in the American Journal of Public Health, logged 1,817 reports of possible silicosis covering 648 individuals; 296 were confirmed, and 243 of those were tied to engineered stone. Of the engineered-stone cases, 15 (6%) had died and 60 (25%) had been referred for a lung transplant, 30 of whom received one. A separate 2023 case series in JAMA Internal Medicine, by researchers at UCSF, UCLA, and CDPH, estimated that 100,000 stone fabricators nationwide are at potential risk of the disease — a national exposure the California data can only sample, not bound.

The takeaway

  • The penalty doesn't fit the harm. $1.08 million in total fines against 511 confirmed cases and 29 deaths — the state's entire enforcement bill since 2023 doesn't cover one worker's transplant.
  • Non-compliance is the norm, not the exception. 94% of closed inspections found a violation, and 53% of the state's fabrication shops have logged at least one confirmed case.
  • The regulatory response has trailed the epidemic by years. The first documented California case dates to 2019; the emergency rule came in December 2023; mandatory reporting under SB 20 didn't take effect until October 2025 — and the standards board didn't vote to advance a fabrication ban until May 2026, with cases still rising.

Cal/'s enforcement and CDPH's case totals are drawn from the state's February 2026 report to its own standards board and will move as pending inspections close and new cases are confirmed; the $1.08 million penalty figure is initial penalties assessed, before any reductions on appeal.

Sources

  • California Occupational Safety and Health Standards Board, Board Staff Evaluation, Petition File No. 609 (May 13, 2026) — Cal/'s enforcement tally (138 inspections, 125 violations, 907 alleged violations, 25 shutdowns, $1.08 million in penalties) and CDPH's fabricator and case counts (1,342 shops, 715 with a confirmed case, 511 confirmed cases, 29 deaths as of Feb. 12, 2026). dir.ca.gov
  • Fazio JC, Gandhi SA, Flattery J, et al., "Silicosis Among Immigrant Engineered Stone (Quartz) Countertop Fabrication Workers in California," JAMA Internal Medicine (2023) — the 100,000-worker national at-risk estimate. pmc.ncbi.nlm.nih.gov
  • Flattery J, et al., "Silicosis Surveillance in California, 2019–2024: Tracking an Epidemic," American Journal of Public Health (2025) — statewide surveillance totals through 2024: 1,817 reports, 296 confirmed cases, 243 engineered-stone-associated, 15 deaths, 60 transplant referrals, 30 transplants. ajph.aphapublications.org
  • Milliman, Inc., press release on its 2025 U.S. organ and tissue transplant cost report (Feb. 13, 2025) — the $2.3 million national billed-cost estimate for a double-lung transplant. milliman.com
  • KQED, "California Steps Closer to Ban on Engineered Stone After Silicosis Surge" (May 22, 2026) — secondary reporting on the CDPH Engineered Stone Silicosis Surveillance Dashboard, used here only to corroborate that the case count continued rising after Cal/'s official February 2026 report. kqed.org
  • California Senate Bill 20 (2025), "Occupational safety: high-exposure trigger tasks on artificial stone," signed October 13, 2025 — mandatory silicosis reporting and enforcement provisions. leginfo.legislature.ca.gov
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