CHMM · IHMM
Get your team certified for CHMM. Audit-ready by default.
Blueprint-aligned practice questions across all 12 IHMM duty areas — weighted to the 2020 Master CHMM specification with detailed regulatory rationale covering RCRA, CERCLA, DOT, TSCA, and OSHA obligations.
Blueprint-aligned to the Institute of Hazardous Materials Management: IHMM-format CMP log plus a hazardous-materials domain matrix tuned to the 12-domain CHMM blueprint.
Practice questions
150+
Matches the live-exam volume
Blueprint domains
12
Weighted to the published IHMM rubric
Pass threshold
70%
We certify ready at 70% calibrated mock
Blueprint-weighted
Every domain the IHMM blueprint tests.
Questions are distributed across the published weights — not evenly. Your team spends time where the exam actually grades.
What you get
A prep stack and a training-record stack.
Five things ship on day one. No add-on upsells, no stitching together screenshots when HR or procurement asks for the file.
Full question bank
All 150+ CHMM practice questions unlocked per seat — free-response, calculation, and scenario items.
Blueprint-weighted practice
Questions served in the IHMM published weights across the 12 domains, so hours go where the exam actually grades.
Rationales on every answer
Plain-English rationale for both the correct answer and each distractor. Self-explanation prompts preserve the candidate's reasoning on missed items.
Team admin dashboard
One console: enrolment, study hours, mock history, domain mastery, calibration score. Know who is ready, who is stalled.
Per-employee training-record export
Signed PDF per employee per cert. IHMM Recertification Evidence File v2 header band. The same dossier HR, procurement, and insurance reviewers ask for when they want evidence of EHS-program investment.
How our teams pass
Pass rates above the IHMM national average — once candidates clear the 70% calibration threshold.
We do not publish named customer stories. The honest pattern: candidates who clear 70% on at least two of their last three calibrated mock exams pass the live CHMM at a rate above the official IHMM national average. Miss the calibration threshold and we do not certify them ready — the dashboard flags re-work domains, not fake green ticks.
No fabricated logos · No ghost-written testimonials · Calibration data visible to admins
Pricing for CHMM
$149/seat/year for teams of 10+
Per-cert seats. Volume discount kicks in at 2 seats and again at 10. One-time purchase, 12-month access.
Small Team
2–9 seats$199/seat/year
Small EHS team consolidating cert prep. Admin dashboard included.
Start team planEnterprise
50+ seatsContact sales
Custom invoicing, SSO, DPA, volume pricing. 50+ seats only.
Request quote14-day money-back · 12-month pass guarantee · Secure checkout via Stripe
Three ways to see CHMM in action.
Pick whichever gets you to a yes fastest.
A failed CHMM attempt costs you the retake fee, another 180 minutes in the testing chair, and months of momentum on the promotion or contract that required the credential.
CertPrep weights every question to the 2020 Master CHMM blueprint percentages and ties each rationale back to the controlling CFR citation — not recycled flashcard decks or decade-old PDFs floating around LinkedIn groups.
Common questions
- How closely does this practice exam match the real CHMM blueprint?
- Question counts mirror the 2020 IHMM Master CHMM Blueprint weights — Facility Operations and Shipping/Transport carry the heaviest load, Record Keeping and Training the lightest. You can drill a single domain or take a full 150-question, 180-minute simulation that replicates the live testing experience.
- What regulations should I expect to see referenced?
- Every rationale cites the underlying authority: RCRA (40 CFR 260–279), CERCLA/SARA, DOT HMR (49 CFR 100–185), TSCA, OSHA 29 CFR 1910 including HazCom and HAZWOPER, and Clean Water and Clean Air Act provisions relevant to hazmat handling. State-level variation is flagged where the federal floor differs from common state programs.
- Is this worth it if I already bought IHMM's official study materials?
- Yes — official materials teach the content, but candidates consistently report failing on application-style questions rather than recall. CertPrep is built around scenario items that force you to apply multiple regulations to one fact pattern, which is where the real exam separates passers from retakers.