Cal-OSHA Indoor Heat Illness Prevention

First published: September 2, 2026Last verified: September 2, 2026Reviewed by the CertQuestUSA team

TL;DR

Cal-OSHA Indoor Heat Illness Prevention: a 55-question practice bank for the real OSHA Safety & Health standard, 1 full paper of 50 questions each with no repeats, every question citing the real regulation it comes from.

Where these questions come from

Every question in this bank cites a real source -- primarily dir.ca.gov (100%) of this exam's citations.

Not sure where you stand? Take the free diagnostic — 10 real questions across the exam's domains, no sign-up required, with a domain-by-domain breakdown at the end.

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1

full paper

50

questions per paper

55

questions in the bank

What this exam covers

CA Indoor Heat Illness Prevention (8 CCR §3396)100%

5 real sample questions

Under §3396(c), when drinking water is not continuously and readily accessible, how much water must the employer provide per employee per hour for the entire shift?

A. One pint

B. One gallon

C. One quart

D. One cup

Source: 8 CCR §3396(c) — one quart of water per hour; https://www.dir.ca.gov/title8/3396.html

Under §3396(d)(1), indoor cool-down area temperatures must be maintained below what threshold, unless doing so is infeasible?

A. 87°F

B. 75°F

C. 70°F

D. 82°F

Source: 8 CCR §3396(d)(1) — cool-down area temperature ceiling; https://www.dir.ca.gov/title8/3396.html

Under 8 CCR §3396(a)(1), the indoor heat illness prevention regulation applies to indoor work areas where the temperature reaches or exceeds what threshold while employees are present?

A. 82°F

B. 75°F

C. 90°F

D. 95°F

Source: 8 CCR §3396(a)(1) — 82°F scope trigger; https://www.dir.ca.gov/title8/3396.html

Under §3396(a)(2), full compliance with the standard's control measures is required once the indoor temperature or heat index reaches or exceeds what threshold?

A. 82°F

B. 87°F

C. 80°F

D. 100°F

Source: 8 CCR §3396(a)(2) — 87°F full-compliance trigger; https://www.dir.ca.gov/title8/3396.html

Under §3396(d)(2)(C), an employee taking a preventative cool-down rest shall not be required to return to work until symptoms of heat illness have abated, but in no event before what minimum time has elapsed, plus time needed to access the area?

A. Five minutes

B. One minute

C. Fifteen minutes

D. One hour

Source: 8 CCR §3396(d)(2)(C) — minimum cool-down rest duration; https://www.dir.ca.gov/title8/3396.html

Frequently asked questions

How many questions are on the CertQuestUSA Cal-OSHA Indoor Heat Illness Prevention practice test?

55 questions total, split into 1 full paper of 50 each with no repeats across papers.

What topics does the Cal-OSHA Indoor Heat Illness Prevention test cover?

1 domains, with the heaviest weight on CA Indoor Heat Illness Prevention (8 CCR §3396) (100%).

Where do CertQuestUSA's Cal-OSHA Indoor Heat Illness Prevention questions come from?

Primarily dir.ca.gov (100%) of this bank's citations -- computed directly from this exam's own question sources, not a generic description.

Is there a free diagnostic for Cal-OSHA Indoor Heat Illness Prevention?

Yes -- 10 real questions across the exam's domains, no sign-up required, with a domain-by-domain breakdown at the end.