Guides
Plain-language explanations of what California workplace regulations actually require.
Hazardous Materials
- The CalEPA Regulated Site Portal The CalEPA Regulated Site Portal is the public map of every site California regulates for hazardous materials, with each site's inspections, violations, and enforcement actions. What it holds, 264,785 sites and 624,254 violations from 2020 through 2025, how to look up a business, and what the record does and does not mean. 3 min read
- What a Hazardous Materials Business Plan Is Health and Safety Code §25507 requires a hazardous materials business plan of a California business that handles 55 gallons of a hazardous liquid, 500 pounds of a solid, or 200 cubic feet of a gas at one time, with exemptions the section lists. What the plan contains, when it is due, and what inspectors cite most: the site map, the certification, and the training record. 7 min read
- Most Cited CUPA Violations in California, 2020–2025 The violations California's local hazardous materials agencies cited most from 2020 through 2025, computed from 624,254 violations in the CalEPA Regulated Site Portal. The top four are a missing site map, an uncertified business plan, and a missing training record. Typical fix time is 41 days. 8 min read
- What a CUPA Is A CUPA is a Certified Unified Program Agency: the county or city department, usually environmental health or the fire department, that CalEPA certifies to inspect businesses for hazardous materials business plans, hazardous waste, and fuel tanks. 101 agencies recorded inspections from 2020 through 2025; 38% found a violation. 4 min read
- What CERS Is CERS is the California Environmental Reporting System, the state website where a business files its hazardous materials business plan and certifies it every year, and where its local CUPA records inspections. What goes in it, what the annual certification is, and the violation the record shows most: a plan that was not certified. 3 min read
By County
- Cal/OSHA Enforcement in Alameda County What got cited in Alameda County from 2020 through 2025, computed from federal enforcement data — 2,159 inspections, 4,451 citations, the COVID-19 prevention standard at 3.1x its statewide share, a complaint-driven trigger mix, and an inspection rate above the state. 5 min read
- Cal/OSHA Enforcement in Contra Costa County What got cited in Contra Costa County from 2020 through 2025, computed from federal enforcement data — 1,116 inspections, 1,836 citations, petroleum refining as the most cited industry at 14.2x its statewide share, and an inspection rate above the state. 5 min read
- Cal/OSHA Enforcement in Fresno County What got cited in Fresno County from 2020 through 2025, computed from federal enforcement data — 1,967 inspections at the highest rate of California's ten largest counties, 2,455 citations, agriculture taking a quarter of them, and complaints starting 41% of inspections. 5 min read
- Cal/OSHA Enforcement in Los Angeles County What got cited across Los Angeles County from 2020 through 2025, computed from federal enforcement data — 7,605 inspections, 15,549 citations, with silica-exposure, garment, nursing-home, and staffing-agency citations far above their statewide shares. 6 min read
- Cal/OSHA Enforcement in Orange County What got cited in Orange County from 2020 through 2025, computed from federal enforcement data — 1,781 inspections, 3,739 citations, the second-lowest inspection rate of any large California county, hotels at 2.1x their statewide share, and the fewest complaint-driven inspections in the state's big counties. 5 min read
- Cal/OSHA Enforcement in Riverside County What got cited in Riverside County from 2020 through 2025, computed from federal enforcement data — 1,815 inspections, 2,644 citations, amusement and recreation at 5.6x its statewide share, hotels at 2.6x, and a federal OSHA layer large enough to put two federal standards in the county's top ten. 5 min read
- Cal/OSHA Enforcement in Sacramento County What got cited in Sacramento County from 2020 through 2025, computed from federal enforcement data — 1,726 inspections, 2,491 citations, restaurants as the most cited industry at 2.3x their statewide share, the COVID-19 standard at 3.2x, and complaints starting 35% of inspections. 5 min read
- Cal/OSHA Enforcement in San Bernardino County What got cited in San Bernardino County from 2020 through 2025, computed from federal enforcement data — 2,076 inspections, 3,272 citations, warehousing at 3.5x its statewide share, forklift citations at 2.8x, and construction at less than half its statewide share of citations. 5 min read
- Cal/OSHA Enforcement in Santa Clara County What got cited in Santa Clara County from 2020 through 2025, computed from federal enforcement data — 1,062 inspections, 2,421 citations, the lowest inspection rate of any large California county, construction at 35% of citations, and restaurants at 3.0x their statewide share. 5 min read
- Cal/OSHA Enforcement in the Inland Empire What Cal/OSHA cited in Riverside and San Bernardino counties from 2020 through 2025, computed from federal enforcement data — 3,891 inspections, 5,916 citations, warehousing as the most cited industry at 2.9x its statewide share, and 42% of inspections starting with an accident. 5 min read
- Cal/OSHA Enforcement in San Diego County What got cited in San Diego County from 2020 through 2025, computed from federal enforcement data — 2,363 inspections, 5,470 citations, the lowest big-county inspection rate in the state, and a federal OSHA layer big enough to put a federal standard in the county's top ten. 5 min read
- Cal/OSHA Inspections by County Annual Cal/OSHA inspections per 100,000 workers for all 58 California counties, 2020–2025. Butte and Shasta run eight times Los Angeles's rate — a referral-driven construction enforcement pattern centered on the far north — while urban coastal counties are inspected least. 5 min read
Enforcement
- Most Cited Cal/OSHA Violations in Veterinary Practices The standards Cal/OSHA cited most at California veterinary practices from 2010 through 2025, computed from federal enforcement data — the IIPP and hazard communication lead, 97% of inspections began with a complaint or an accident, and the zoonotic disease standard makes the list. 5 min read
- How Often Cal/OSHA Citations Are Appealed, and How Long They Take to Become Final Computed from federal enforcement data: 50.3% of Cal/OSHA citations issued 2016–2025 were appealed — 72.4% of serious citations — and half of appeals resolved within 236 days, while 15.2% ran past two years. 5 min read
- OSHA Inspections and Citations by State Annual OSHA inspections and citations per 100,000 workers for all 50 states plus DC, Puerto Rico, and the Virgin Islands, 2020–2025. State-plan states inspected at 56 per 100,000 workers a year against 37 under federal OSHA; Washington leads every state; California has the largest totals. 7 min read
- How Cal/OSHA Citations End: Deletion and Reduction Rates by Violation Class How California citations end, computed from a decade of settled federal enforcement data: 7.5% of serious citations are deleted outright, willful citations are deleted most often of any class (13.9%) — and the heavier the class, the less the penalty falls. 4 min read
- How Much Are Cal/OSHA Penalties? Averages by Outcome and Employer Size The cost of a cited Cal/OSHA inspection, computed from federal enforcement data 2020–2025: median $1,685, average $6,226 — rising to $14,695 average when the inspection followed a fatality. Cost tables by outcome and employer size. 4 min read
- What Cal/OSHA's Tree Work Investigations Show 453 published OSHA investigations of California tree work accidents with events from 2010 through 2025, 130 of them fatal — falls, struck-by, chippers, and power lines, computed from federal investigation data. 4 min read
- What Cal/OSHA's Trucking and Warehouse Investigations Show 724 published OSHA investigations of California trucking and warehousing accidents, events 2010–2025 — trucking's case files are fatal at 32%, warehousing's at 11%, and the machine that injures most (the forklift) is not the one that kills. 4 min read
- Cal/OSHA vs Federal OSHA: What Is Different in California Nearly a third of California Cal/OSHA citations from 2020 through 2025 cite a standard with no federal counterpart. Which eight standards account for it, how often each is cited, and what the rest of the country gets cited for instead, computed from federal enforcement data. 5 min read
- How Likely Is a Second Cal/OSHA Citation? 9% of California establishments cited in 2020–2021 were cited again at the same location within three years, per federal enforcement data — and a repeat of a substantially similar violation multiplies the penalty. The recidivism numbers, by sector, with the matching method stated in full. 4 min read
- Cal/OSHA Citations and Penalties by Year Cal/OSHA issued 78,088 citations in California from 2020 through 2025, proposing $223M in penalties that appeals have so far cut to $167M. Yearly trends, sector shares, and the season when citations actually arrive — charted from federal enforcement data. 3 min read
- How Much Are Cal/OSHA Penalties Reduced After Citation? In the settled 2020–2021 cohorts, appeals and settlements removed 50% of other-than-serious Cal/OSHA penalty dollars and 29% of serious ones — and willful penalties did not move at all. The reduction data, by classification and employer size. 3 min read
- How Cal/OSHA Penalties Are Calculated Cal/OSHA penalties follow a formula in 8 CCR §336: a base penalty by classification, discounts for size, good faith, and history, an abatement credit, and multipliers for repeat and willful violations. The full mechanics, with the current amounts. 3 min read
- Is SB 553 Being Enforced Yet? Yes. Cal/OSHA has issued 416 citations under Labor Code §6401.9 since October 2024, and the monthly count keeps climbing. What gets cited (77% is the plan itself), who gets cited, and the penalties so far — from federal enforcement data. 4 min read
- What Happens After a Cal/OSHA Inspection Opens 68% of California inspections opened 2020–2024 produced at least one citation, arriving a median of 127 days after opening. The odds, the wait, the penalty ranges, and the 15-working-day appeal clock — from federal enforcement data. 3 min read
- Cal/OSHA Citations by Employer Size California establishments with fewer than 50 employees received 68% of all Cal/OSHA citations issued from 2020 through 2025. The breakdown by size band: counts, penalties, serious-violation share, and top standards, computed from federal enforcement data. 4 min read
- What Triggers a Cal/OSHA Inspection Cal/OSHA opened 42,309 California inspections from 2020 through 2025. Accident investigations were the largest group (31%), complaints second (24%), and planned inspections third (21%) — the trigger mix varies sharply by industry. 3 min read
- Most Cited Cal/OSHA Violations in Agriculture The 10 standards Cal/OSHA cited most on California agriculture inspections from 2020 through 2025, computed from federal enforcement data — heat illness prevention leads, with the IIPP close behind. 3 min read
- Most Cited Cal/OSHA Violations in Auto Repair The 10 standards Cal/OSHA cited most on California auto repair inspections from 2020 through 2025, computed from federal enforcement data — the IIPP leads, and the air-compressor tank permit makes the top three. 3 min read
- Most Cited Cal/OSHA Violations in Construction The 10 standards Cal/OSHA cited most on California construction inspections from 2020 through 2025, computed from federal enforcement data — §1509, the construction IIPP requirement, leads. 3 min read
- Most Cited Cal/OSHA Violations in Health Care The 10 standards Cal/OSHA cited most on California health care inspections from 2020 through 2025, computed from federal enforcement data — aerosol transmissible diseases leads, with the IIPP and violence prevention behind it. 3 min read
- Most Cited Cal/OSHA Violations in Landscaping The 10 standards Cal/OSHA cited most on California landscaping inspections from 2020 through 2025, computed from federal enforcement data — heat illness prevention leads, and tree work fills three rows. 3 min read
- Most Cited Cal/OSHA Violations in Manufacturing The 10 standards Cal/OSHA cited most on California manufacturing inspections from 2020 through 2025, computed from federal enforcement data — §3203, the IIPP, leads by a wide margin. 3 min read
- Most Cited Cal/OSHA Violations in Restaurants The 10 standards Cal/OSHA cited most on California restaurant and food-service inspections from 2020 through 2025, computed from federal enforcement data — §3203, the IIPP, leads by nearly 3 to 1. 3 min read
- Most Cited Cal/OSHA Violations in Trucking and Warehousing The 10 standards Cal/OSHA cited most on California trucking, warehousing, and courier inspections from 2020 through 2025, computed from federal enforcement data — the IIPP leads, and the forklift rules cluster behind it. 3 min read
Heat Illness
- What Cal/OSHA's Heat Illness Investigations Show 381 published investigations of workplace heat illness in California with events from 2010 through 2025, 39 of them deaths — who they happened to, when, and what got cited after, computed from federal investigation data. 7 min read
- The Indoor Heat Rule in Restaurants: The First 18 Months of Cal/OSHA Enforcement Restaurants lead California's new indoor heat standard: 66 of the 236 §3396 citations issued through 2025 — 28% — landed on restaurant inspections, computed from federal enforcement data, and most arrived after somebody complained. 4 min read
- 8 CCR §3395 Explained: California's Outdoor Heat Illness Prevention Standard A plain-language walkthrough of 8 CCR §3395 — California's outdoor heat illness prevention standard — plus the §3396 indoor rule and what Cal/OSHA actually cites. 12 min read
- 8 CCR §3396 Explained: California's Indoor Heat Illness Prevention Standard A plain-language walkthrough of 8 CCR §3396 — California's indoor heat illness standard, effective July 2024 — the 82°F and 87°F triggers, the exceptions, and what Cal/OSHA has cited so far. 13 min read
By City
- Cal/OSHA Enforcement in Los Angeles What Cal/OSHA cited in Los Angeles from 2020 through 2025, computed from federal enforcement data — 1,766 inspections, 4,088 citations, a construction share well above the state's, and most of California's garment-industry citations. 6 min read
- Cal/OSHA Enforcement in San Diego What got cited in San Diego from 2020 through 2025, computed from federal enforcement data — 1,016 inspections, 2,402 citations, the highest planned-inspection share of the big cities, and a federal OSHA layer no other California city has. 5 min read
- Cal/OSHA Enforcement in San Jose What Cal/OSHA cited in San Jose from 2020 through 2025, computed from federal enforcement data — 429 inspections, 1,235 citations, restaurants as the single largest industry, and referrals nearly absent. 4 min read
SB 553
- The Proposed §3343 Standard: What Would Change from SB 553 Cal/OSHA's proposed §3343 workplace violence standard is due for adoption by December 31, 2026. What the July 2026 draft would change from Labor Code §6401.9. 7 min read
- SB 553 Training Requirements: What Counts and What Doesn't What SB 553 requires for workplace violence training: the nine topics, the interactive Q&A rule, annual cadence, and the records to keep. 10 min read
- Free Workplace Violence Prevention Plan Template (California, SB 553) Free Workplace Violence Prevention Plan template for California, built on Cal/OSHA's model plan — a plain-English walkthrough of every section. 11 min read
- SB 553 Compliance Requirements: What Your Business Needs The three SB 553 requirements, explained: the written WVPP and its contents, the Violent Incident Log with 5-year retention, and annual employee training. 8 min read
- What Is SB 553? A Complete Guide for California Employers California SB 553 requires most employers to keep a Workplace Violence Prevention Plan, log violent incidents, and train employees annually. 7 min read
IIPP
- Construction IIPP: What Cal/OSHA Requires on California Jobsites California construction employers need an IIPP under §3203 plus §1509's extras: a written Code of Safe Practices and tailgate meetings every 10 working days. 6 min read
- 8 CCR §3203 Explained: California's Injury and Illness Prevention Program Rule A plain-language walkthrough of 8 CCR §3203 — the California regulation requiring every employer to maintain an Injury and Illness Prevention Program. 8 min read
- Cal/OSHA IIPP: The California Employer's Guide to §3203 Compliance Cal/OSHA's IIPP requirement (8 CCR §3203) applies to every California employer. Here are the 8 required elements and how to stay audit-ready. 8 min read
- IIPP California: Keep Your Injury and Illness Prevention Program Audit-Ready Already have an IIPP from Cal/OSHA or State Fund? The plan is the easy half. What §3203 requires is a program that runs — training records, inspection records, corrections — and free tools to check yours. 4 min read
- Free California IIPP Template (8 CCR §3203) Free California IIPP template (printable PDF): one section for each of §3203's eight elements, plus the inspection and training records §3203(b) requires. 8 min read