Dave FrankLocal Guide · 98 reviewsTotal number of Google reviews Dave has written across all businesses on Google Maps, not just this one.
Review from Google · view on GoogleGreat training classes
Hazard Prevention Institute
How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 64%74+47Reliability 28%67+18.9Replies to reviews 8%78+6.4Experts Score= 72Not enough data for value; its weight is shared by the others.Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.72SCORE
BGradeLetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20.
#199 of 231 hazardous material removalPosition by Experts Score among all companies we track in this category. · better than 14%
4.6 ★★★★★ 25 Google reviews · 9 photos
88%five-star reviews
5.00★last 12 monthsAverage stars on reviews from the last 12 months only.
5%1–2★, last 20 reviewsShare of 1–2★ reviews in the last 24 months — or the 20 newest reviews when the company had fewer than 20 in that time.
32%reviews answered by the owner
Apr 2026latest review
Hazard Prevention Institute at a glance
Google reviewers rate Hazard Prevention Institute 4.6 out of 5 based on 25 reviews, with the owner responding to 32% of them. Customers frequently praise the institute for convenient MSHA training schedules, informative classes, and engaging instructors who maintain attention. However, low-star reviews highlight issues with rigid enrollment requirements that prevented students from attending, as well as complaints about sparse teaching materials and inappropriate instructor comments during courses.
- Google rating: 4.6 out of 5 from 25 reviews (88% five-star).
- Reviews on this page: 25 Google reviews (15 with written comments, 2 with photos).
- Owner responses: the business replied to 32% of reviews.
- Most recent review: April 21, 2026.
- Service: Hazardous Material Removal Service serving Tucson, Arizona.
Data from Google, last updated November 10, 2026.
Score profile vs other hazardous material removal
Score per factor (100 = best)Each factor is scored 0–100 on absolute terms (star average, share of 1–2★ reviews, price verdicts…); standing within the category can only raise it, never lower it.. Strongest: momentum and replies to reviews; weakest: reliability.
SatisfactionSatisfaction · 54% of the scoreRecency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.Hazard Prevention Institute: 74/100 on this factor. Category median: 93.B
74
ReliabilityReliability · 24% of the scoreHow rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.Hazard Prevention Institute: 67/100 on this factor. Category median: 92.B
67
Craft & serviceCraft & service · penalty only, up to −10 pointsGoogle review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.Not enough reviews for this factor yet. Category median: 98.–
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ValueValue · 14% of the scoreCustomers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.Not enough reviews for this factor yet. Category median: 100.–
–
MomentumMomentum · penalty only, up to −10 pointsPenalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.Hazard Prevention Institute: 100/100 on this factor. Category median: 100.A
100
Replies to reviewsReplies to reviews · 7% of the scoreHow often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.Hazard Prevention Institute: 78/100 on this factor. Category median: 67.B
78
Bar = this company · dark tick = category median.
Star ratings
25 Google reviews we collected
- 5 stars2288%
- 4 stars14%
- 3 stars00%
- 2 stars00%
- 1 star28%
Praise vs complaints
Phrases our text analysis found in 15 written reviews
- Praise480%
- Complaints120%
Topic share
How often each topic comes up in the written reviews
- Staff & attitude240%
- Speed & response240%
- Would recommend120%
What customers talk about
We read 15 written reviews and marked every phrase about these topics. The same colors are highlighted in the reviews.
“…all aspects of mining and has real talent for sharing his wisdom in a patient, relaxed, good humored way.…”
“Professional training in a timely manner.”
praise complaint · found by our text analysis, Google review wording unchanged.
Recent reviews
Bobby5 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 5 years ago★
First time using them and I will never again! Wasn’t even allowed to take my annual msha refresher because I didn’t have my previous 5000-23. His reason was he had to make sure I was getting the correct class. Why would I spend $130 on the wrong class to then take a chance of getting fined by MSHA. Won’t be back!
− Professionalism
JonathanLocal Guide · 23 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 5 years ago★★★★★
Good training. The teacher had good info and was also passionate about it. I've done my MSHA refresher here a few times.
Gondingy2 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 6 years ago★★★★★
It's very important information that's a tool for us out in the field. Thank you.
NeilLocal Guide · 13 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · Edited 7 years ago★★★★★
The instructor for my (new miner training) group, Rick, showed an incredibly deep knowledge of all aspects of mining and has real talent for sharing his wisdom in a patient, relaxed, good humored way. I look forward to the refresher next year.
JanetLocal Guide · 16 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 9 years ago★
I attended an MSHA refresher course here in February, 2017. The material was presented in a sparse format, hardly any visuals or entertaining visual aids. In addition, the instructor made sexist comments about women drivers and when I presented him with evidence to the contrary (in fact women are safer drivers than…
Photos
Customer reviews
4.6 ★★★★★ 25 reviews on Google · rating breakdown
Reviews from Google, shown as published (original wording, unedited).
DarenLocal Guide · 3 reviewsTotal number of Google reviews Daren has written across all businesses on Google Maps, not just this one.
Review from Google · view on GoogleProfessional training in a timely manner.
Response from the owner · 3 years ago
Thank you.
Trent LLocal Guide · 51 reviewsTotal number of Google reviews Trent has written across all businesses on Google Maps, not just this one.
Review from Google · view on GoogleConvenient scheduling for MSHA training. Have used several times.
Adam ColeLocal Guide · 77 reviewsTotal number of Google reviews Adam has written across all businesses on Google Maps, not just this one.
Review from Google · view on GoogleGood place to do MSHA training.
David CarlsonLocal Guide · 17 reviewsTotal number of Google reviews David has written across all businesses on Google Maps, not just this one.
Review from Google · view on GoogleClass was very informative, Instructor kept your attention.
Bobby Carswell5 reviewsTotal number of Google reviews Bobby has written across all businesses on Google Maps, not just this one.
Review from Google · view on GoogleFirst time using them and I will never again! Wasn’t even allowed to take my annual msha refresher because I didn’t have my previous 5000-23. His reason was he had to make sure I was getting the correct class. Why would I spend $130 on the wrong class to then take a chance of getting fined by MSHA. Won’t be back!
- Negative: Professionalism
Response from the owner · 5 years ago
Sir, you should ask MSHA if we followed proper regulatory procedures. Any facility that offers you Refresher training without verification of having taken previous training, well then their verification as a training provider would have to be questioned, as well. Try renewing your drivers license or any other official document without prior proof of license.
Dale MiltonLocal Guide · 18 reviewsTotal number of Google reviews Dale has written across all businesses on Google Maps, not just this one.
Review from Google · view on GoogleQuick easy way to get MSHA training
Jonathan SchmidtLocal Guide · 23 reviewsTotal number of Google reviews Jonathan has written across all businesses on Google Maps, not just this one.
Review from Google · view on GoogleGood training. The teacher had good info and was also passionate about it. I've done my MSHA refresher here a few times.
Response from the owner · 5 years ago
Thank you, Jonathan. It is our pleasure and privilege to serve your training needs.
Gondingy L2 reviewsTotal number of Google reviews Gondingy has written across all businesses on Google Maps, not just this one.
Review from Google · view on GoogleIt's very important information that's a tool for us out in the field. Thank you.
dexter smithLocal Guide · 286 reviewsTotal number of Google reviews dexter has written across all businesses on Google Maps, not just this one.
Review from Google · view on GoogleAll you need to know about the world around you.
Business details
- Phone: (520) 887-0355
- Website: hazardprevention.com
- Service area: Tucson, AZ