Cheat Sheets
Printable one-pagers and on-the-wall references. Download the PDF, post it where your team actually needs it.
Last reviewed: June 2026 · 6 printable PDFs
Printable references
Chemical Compatibility Matrix
Which cleaning chemicals you can mix, which you must never combine, and what happens when the wrong pair lands in the same bucket.
Download PDFDilution Ratio Quick Card
Common dilution ratios (1:8, 1:16, 1:32, 1:64, 1:128) converted to ounces per gallon, with cost-per-use math.
Download PDFFloor Type Cleaning Guide
Concrete, epoxy, VCT, polished concrete, and quarry tile — the right cleaner, the wrong cleaner, and what damages each surface.
Download PDFPPE Quick Select Card
Which gloves, eye protection, and respiratory protection to pair with each major cleaning chemistry, pulled from SDS Section 8 logic.
Download PDFFacility Audit Checklist
What an OSHA, EPA, or insurance auditor walks in looking for, in the order they typically check — and how to be ready.
Download PDFVOC Compliance Tracker
State-by-state VOC limits for general-purpose cleaners, glass cleaners, degreasers, and disinfectants, with effective dates.
Download PDFHow to use these
Print at 100% scale on letter-size paper. Laminate if you're posting in a chemical-cabinet or wet area. Each PDF includes the educational-use disclaimer in the footer and a "Last reviewed" stamp. If you reprint quarterly, replace your wall copies when the date on the PDF changes.
For multi-site standardization, the same PDFs work across locations — that's the point. If you need a version branded with your own company name or facility code, email us at hello@oporasupply.com.