The Best Hazardous Material Removal in Forest Park, IL
We graded 7 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.
From 8,463 Google reviews of 84 top-rated hazardous material removal nationwide; 7 of them in Forest Park, IL. Updated November 2, 2026.
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Best hazardous material removal in Forest Park for hazardous waste removal & disposal
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ADCO Environmental Services, LLCHow Job match is calculatedBuilt only from reviews Google tagged “Hazardous waste removal & disposal”:Stars on this job 55%5.00★Number of such jobs 25%13Overall Experts Score 20%97Job match= 94Stars are pulled toward the category average (4.84★) when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.94
Naperville Hazardous Waste SiteHow Job match is calculatedBuilt only from reviews Google tagged “Hazardous waste removal & disposal”:Stars on this job 55%4.43★Number of such jobs 25%14Overall Experts Score 20%54Job match= 58Stars are pulled toward the category average (4.84★) when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.58Job match = this company’s ★ on reviews Google tagged “Hazardous waste removal & disposal” (shrunk toward the category average when there are few), how many such jobs it has done, and its overall Experts Score.
What customers said about hazardous waste removal & disposal
Naperville Hazardous Waste SiteThere was a lot of cars in line. Workers did a great job. I didn't even get out. Great service!
ADCO Environmental Services, LLCGreat experience with ADCO Environmental Services. James Bell was responsive, professional, and easy to work with throughout the process. Communication was clear, follow‑up was consistent, and everything moved smoothly. I’d definitely recommend ADCO and working with James.
ADCO Environmental Services, LLCWe’ve had an excellent experience with ADCO. Their team is consistently professional, reliable, and easy to work with from start to finish. Scheduling is straightforward, communication is clear, and they always arrive on time ready to get the job done. James was knowledgeable, work efficiently, and follow proper…
ADCO Environmental Services, LLCBest company for your environmental compliance disposal needs. Honest guidance and most cost-effective services disposing of hazardous waste.
Naperville Hazardous Waste SiteWhat a great service! Efficient and friendly solved a problem for me with 3 large mixed oil/gas tanks I inherited from a boat purchase. The service they do should keep people from illegally dumping or burning this stuff!
Naperville Hazardous Waste SiteWhat a great service that you provide. I hope and implore more people to take advantage of this service. A convenient location! and a great staff. You sit in the car while they do the work. Easy peasy!
Overall ratings
Experts Score 0–100Experts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. and a letter grade per factor (A = top 20% of hazardous material removal).
| # | Company | ScoreExperts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. | FactorsFactor grades, in orderSatisfaction (54%): Recency-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.Reliability (24%): How 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.Craft & service (0%): Google 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.Value (14%): Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.Momentum (0%): Penalises 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.Replies to reviews (7%): How 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.One letter per factor score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = below 20. | ★Google star rating as shown on Google Maps. | Typical billMedian bill customers of this company reported in their reviews (needs 3+ priced reviews). |
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| 1 |  Asbestos Testing & Inspection ChicagoForest Park, IL | A 98How 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 69%99+68.5Reliability 31%97+29.8Experts Score= 98Not enough data for value, replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA––A– | 5.00 | — |
| 2 | ADCO Environmental Services, LLCForest Park, IL | A 97How 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 59%98+57.5Reliability 26%95+24.8Value 15%100+15.2Craft & service penalty95−0.5Experts Score= 97Not enough data for replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAA– | 5.00 | — |
| 3 |  ARKKO Hazardous Waste DisposalForest Park, IL | A 96How 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 59%97+56.9Reliability 26%94+24.5Value 15%98+14.9Experts Score= 96Not enough data for replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA–AA– | 5.00 | — |
| 4 |  Bluestone EnvironmentalForest Park, IL | A 90How 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%95+60.4Reliability 28%93+26.3Replies to reviews 8%36+3Experts Score= 90Not enough data for value; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA––AD | 4.96 | — |
| 5 |  A.N.G Environmental Inc Asbestos RemovalForest Park, IL | B 68How 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%70+19.8Replies to reviews 8%18+1.5Experts Score= 68Not 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. | BB––AF | 4.77 | — |
| 6 | Naperville Hazardous Waste SiteForest Park, IL | C 54How 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 55%56+30.5Reliability 24%45+10.9Value 14%100+14.1Replies to reviews 7%16+1.1Craft & service penalty70−3Experts Score= 54Grade C: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | CCBAAF | 4.60 | — |
| 7 |  SERVPRO of Oak Park/River ForestForest Park, IL | C 43How 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%61+38.8Reliability 28%51+14.4Replies to reviews 8%62+5.1Craft & service penalty31−6.9Momentum penalty20−8Experts Score= 43Not enough data for value; its weight is shared by the others.Grade C: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BCD–DB | 4.59 | — |
What jobs cost
What customers paid, from the price Google asks reviewers to report.
| Job | Low25th percentile: 1 in 4 customers paid less than this. | TypicalMedian of the bill customers reported in their Google review (Google asks reviewers for a price range; we use the middle of each range). | High75th percentile: 1 in 4 customers paid more than this. | FairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”. |
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Hazardous Material Removal in Forest Park, IL at a glance
How the 7 hazardous material removal we rated in Forest Park, IL compare, and what customers praise most.
Experts Score grades
A = score 80+, F = below 20.
- Grade A457%
- Grade B114%
- Grade C229%
- Grade D00%
- Grade F00%
Google ratings
Average stars per company.
- 4.90★ and up457%
- 4.80–4.89★00%
- 4.60–4.79★229%
- Below 4.60★114%
What customers praise
Share of Google review highlights.
- Quality1,11421%
- Professionalism1,34625%
- Responsiveness1,05319%
- Punctuality98618%
- Value92417%
Was the price fair?
All price verdicts left with reviews.
- Great price21852%
- Reasonable17341%
- Overpriced61%
- Not sure246%
Price verdicts by year
Share calling it great / reasonable / overpriced.
How we grade
Satisfaction (54%) — Recency-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.
Reliability (24%) — How 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.
Craft & service (penalty, up to −10) — Google 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.
Value (14%) — Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.
Momentum (penalty, up to −10) — Penalises 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.
Replies to reviews (7%) — How 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.