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    Environmental One

    5.0 (11 reviews)
    Closed • 9:00 am - 5:00 pm

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    Response time

    20 minutes

    Response rate

    100%

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    4 years ago

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    Steve F.

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    1 year ago

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    1 year ago

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    Steve F.

    Thank you! I look forward to your next one!

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    1 year ago

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    Steve F.

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    2 years ago

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    Steve F.

    Thank you! I look forward to the next one!

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    2 years ago

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    Steve F.

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    2 years ago

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    Steve F.

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    1 year ago

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    Steve F.

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    1 year ago

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    2 years ago

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    Steve F.

    Thank you for sharing a review - much appreciated!

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    4 years ago

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    Steve F.

    Thanks for the positive review James! I'm always happy to help.

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    Ask the Community - Environmental One

    Hello, my name is Haeil. Our tenants requested to test some old tiles for radon. They are located in Alhambra. Is it possible to get some information? Thank you

    Hi, thanks for the question! I don't do any testing for radon at this time. That may change in the future, so any potential clients that are seeing this - feel free to ask again when your next project comes up!

    Don’t See Your Question? Ask Away!

    Review Highlights - Environmental One

    “Steve was patient, fair and very knowledgeable as I was trying to navigate testing for lead after the LA fires.”

    Mentioned in 9 reviews

    Read more highlights

    Marshall GeoScience - New grading project with a LID stormwater infiltration system

    Marshall GeoScience

    (5 reviews)

    We recently hired Marshall for a hillside property survey in Glendale and he exceeded every…read moreexpectation. He was incredibly resourceful; researching crucial tract grading, soil, structural and as-built plan documents. He promptly met me on-site for a visual assessment to guide the evaluation. Recognizing the potential risks, he did an incredible job helping us focus on structural integrity. He was highly responsive and walked me through every step of the process. He gave us the vital technical breakdown and escrow evaluation we needed to make our decision. Hire them--you won't regret it!

    Outstanding responsiveness and professionalism. I reached out to Marshall GeoScience through Yelp…read more Marshall (the principal engineer) replied quickly--even continuing the conversation well after business hours and offering to jump on a call. I wasn't exactly sure what I needed at first, and he was incredibly patient while I tried to explain the situation. Rather than guessing, he took the time to understand my goals, clarified that a firm estimate would require a defined scope of work, and laid out what that scope should look like so I could move forward confidently. What stood out most was his clear communication, transparency, and willingness to help without any pressure. I'd contacted a few other firms before him and had mixed results. Marshall was by far the most responsive and helpful. If you need a geotechnical engineer who is prompt, thoughtful, and genuinely focused on setting you up for success, I highly recommend Marshall GeoScience.

    Sol Environmental - We also test for Smoke related damage!

    Sol Environmental

    (2 reviews)

    Hollywood Hills West

    Nick is awesome, super helpful in understanding the results and path forward. Would recommend!read more

    11:50 AM Over my 20+…read moreyears in claims, first as a Public Adjuster--and before that as an insurance adjuster- and aslo as an insurance Appraiser and court appointed Umpire on disputed claims--I've worked claims all over the USA and two foreign countries. I have met numerous industrial hygienists on sewage, pollutant, trauma/bodily fluid, smoke and fire damage claims. Too many hygienists talk a good game but fail to deliver when it counts. Sol Environmental is better. Sol was recommended to me by a senior entertainment attorney overseeing a large legal team, and that endorsement proved accurate. When I first met with Raul and Nick at Sol Environmental, I immediately recognized their technical depth and concern for the clients. They discussed testing protocols for contaminants that most hygienists overlook or simply don't understand--particularly the volatile organic compounds and particulate matter that pose serious health risks in post-fire environments. When other hygients test for lead and asbestos, Sol is testing for everything: mercuty, silica, arsenic, dioxins, cadmium, barium lithium, you name it in addition to the lead and asbestos. What sets Sol apart is their background as specialty remediation contractors. They don't just identify contamination--they understand the actual remediation process, which makes their protocols far more comprehensive and defensible than what I typically see from competitors. Their protocols meet the standard of care, which is rare in this field. Sometimes I just need good sampling and lab results. But if i need a defensible step by step protocol, Sol is great. More importantly, they're willing to stand their ground when insurance carriers bring in questionable experts pushing junk science to minimize scope and deny proper remediation. Sol backs up their findings with solid scientific evidence and proper testing methodology. In claims where bad faith is already an issue, having a hygienist who won't fold under pressure is invaluable. I've referred Sol Environmental to multiple clients, and they've consistently helped secure the proper remediation my clients deserve. They do difficult work in contentious situations, and they do it well. I recommend them without reservation. Leland Coontz, Public Adjuster license #2B53445 (714) 724 1767

    Environmental One - environmentaltesting - Updated September 2026

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