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    The Testing Agency

    4.6 (40 reviews)
    Open Open 24 hours

    Services - The Testing Agency

    Environmental testing

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    All clear!!
    Shannyn B.

    The Testing Agency and Jim were fantastic about getting out here quickly and getting our testing and test results turned around lightning speed time. All of the work that needed to be done for our asbestos removal was done quickly and efficiently and they worked with our insurance company to make sure everything was covered before getting going. Definitely appreciate the collaboration and cooperation of their team with our insurance company to make sure we didn't have to pay out-of-pocket for any of this. Thank you guys so much for taking care of us. We really appreciate it!!! Highly recommend these guys for any home environmental testing or abatement needs!!

    This is how the amount of asbestos in the air is calculated.

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    Photo of Gracia J.
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    4 months ago

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    9 days ago

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    Jessica C.

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    28 days ago

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    Sybil M.

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    9 days ago

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    Jessica C.

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    1 month ago

    Helpful 2
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    Photo of Monica M.
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    22 days ago

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    Jessica C.

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    8 months ago

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    Sybil M.

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    24 days ago

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    Jessica C.

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    28 days ago

    The Testing Agency was so efficient and had the best communication with me during a stressful time. I would definitely use them again!

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    28 days ago

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    8 months ago

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    Sybil M.

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    5 months ago

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    5 months ago

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    Photo of Tom D.
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    9 months ago

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    Sybil M.

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    4 months ago

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    8 months ago

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    Sybil M.

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    7 months ago

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    Sybil M.

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    9 months ago

    No issues, they communicated well with my other contractors and I hired them back! Worked with my insurance as well.

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    10 months ago

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    Sybil M.

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    8 months ago

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    Sybil M.

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    10 months ago

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    Sybil M.

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    Photo of Monica Q.
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    10 months ago

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    Sybil M.

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    10 months ago

    The testing agency was called in due to water leak in wall. He was able to do the testing and the results came back negative for abestos.

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    Sybil M.

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    8 months ago

    Professional and thorough. Great communication. Very easy to work with. Completed their work in a safe manner.

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    1 year ago

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    Shaun M.

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    1 year ago

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    Shaun M.

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    2 years ago

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    Shaun M.

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    9 months ago

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    Sybil M.

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    1 year ago

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    Shaun M.

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    9 months ago

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    Sybil M.

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    1 year ago

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    Shaun M.

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    10 months ago

    The whole process from scheduling to getting results were a breeze, got my result same day, highly recommended

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    Sybil M.

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    9 months ago

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    Sybil M.

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    2 years ago

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    Shaun M.

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    1 year ago

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    Shaun M.

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    2 years ago

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    Shaun M.

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    2 years ago

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    Shaun M.

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    2 years ago

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    Shaun M.

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    2 years ago

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    2 years ago

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    Ask the Community - The Testing Agency

    Review Highlights - The Testing Agency

    As homeowners, it means everything for a company to treat my family and home with respect as communication is key.

    Mentioned in 7 reviews

    Read more highlights

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    Home Biotesting

    Home Biotesting

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    Tarzana

    Great company and first time using them. Kent was in the…read moreoffice and was able to setup testing the next day to get the ball rolling. He was also very helpful with random questions I had and other tid bits of knowledge about asbestos. Jay (my tech) was informative and thorough when taking samples and images of the areas. He was able to answer questions I had while he was taking samples. Both were professional and friendly. The lab team got me my results back in a timely manner with all the details.

    A decent company that does good work with regards to testing. My main gripe is lack of clarity and…read moreresolution of an issue that I had brought up. When I wanted some testing done, the deceptive thing they said was that I can do multiple tests for one price. So I clarified that if I were to test 3 rooms, it'd be the same price as 5 rooms and they said yes. So I literally said to the representative " so whether I test 1 room or 5 rooms, it's one price and she confirmed yes. Lo and behold I get slapped with a charge 5 different rooms. Well I called to clarify, they told me it was one price but per room. I was frustrated because that was my default assumption. It's like going to a restaurant and ordering something and the server says "all pastas are for one price whether you get 1 or 10, it's all one price" and you order 4 pastas for the family and 4 more to go to take home and they slap you with a bill for 8 pastas and tell you it's one price but for each pasta. Well duh! That's everyone's default assumption. You making that qualifying statement serves to confuse the customer. It feels like a deceptive tactic to make it seem like all tests are for one price in order to bait you into more tests. It left a bad taste in my mouth honestly. That being said, the worker was nice and the job was done which why I can average out the score to 3 stars. Would I use them again.... Maybe, but I may shop around a little more.

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

    Marshall GeoScience

    (4 reviews)

    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.

    Live in Santa Monica and our city planning department had a very unusual request for a soil…read moreengineering report that is not your typical report. I contacted a substantial number of other soil engineers who: -Didn't understand the request. -Said it was too small for them. -Were too busy. -Never responded. -Insisted on doing a massive (EXPENSIVE) report. One firm - Marshall - responded immediately, took the time to review the plans in detail, called the city, and got specific needs. He immediately came out, did the site inspection and within a week had a full report. And at a very reasonable cost. I cannot recommend Marshall GeoScience more highly -- exceptionally professional and willing to go the extra mile!

    Scope Environmental - Just for fun :-)

    Scope Environmental

    (108 reviews)

    Chatsworth

    "Multiple Layers" of Deception and Unprofessionalism…read more.. In my correspondence with Gene K., a representative of Scope Environmental (cut and pasted from Yelp chat room) mentions "We can definitely help. Our asbestos inspection, survey, and lab results pricing is very competitive. It's $625 for the inspection and report. Each sample is $35. No other fees. Generally, results and reports will be available within 24-48 hours". Gene K. also mentioned the following "Some samples have multiple layers, and that can not be determined prior to taking the physical sample. You are welcome to call in so that you can properly comprehend the procedures". However, UNDISCLOSED FEES can creep into the price charged to the customer, e.g. such as the need to test "multiple layers" of one material; so, "No other fees" is (deliberately) misleading and therefore, deceptive. A field inspector (Daisy Flamenco) of Scope Environmental, arrived at the project site and upon seeing the area that needed sampling, asked the homeowner for a ladder to get her modest stature to the sampling material areas. When sampling the ceiling, Ms. Flamenco was barely able to reach the sampling surface (needed to be on her tippy toes), even with a step ladder (provided by the homeowner). ALL sample takers must come fully prepared for all conditions at the work site and not rely on the homeowner to provide tools, equipment or assistance of any kind to do THEIR job! Ms. Flamenco was dressed casually, no respirator or other appropriate protective equipment or gear, which is not only hazardous to herself, but sends the message to the homeowner (overseeing the work), that asbestos is really not that harmful. Even two and a half years following the end of the COVID-19 pandemic, it is appropriate if all workers who enter a home, to wear a mask or at least offer to wear one, but Ms. Flamenco failed to show the occupants of the residence, such consideration. Most (professional) people return to bad pre-pandemic habits, even if to protect the home's occupants from the common cold. What is really inconsiderate and unprofessional, is that Ms. Flamenco had disturbed suspected asbestos containing materials by scraping and cutting away material from parts of a furnace and its ducts, leaving the furnace and ducts out-of-order, i.e. if no asbestos or other harmful materials were found, the furnace and ducts could not be safely and effectively used without first repairing them. Leaving carcinogenic materials exposed (cutting, scraping or otherwise removing and exposing asbestos) to those who live at the work site, is hazardous and unprofessional and should never be done this way. Exposing harmful materials puts people and animals at risk of exposure to carcinogens and asbestosis causing particles! Asbestos sample takers should take measures to seal or otherwise cover, exposed asbestos containing materials (when they are through sampling them), to protect home occupants. This experience was a wake-up call to how incompetent workers can make a bad situation, worse!

    After my plumber discovered extensive sewage leakage beneath my house, we needed immediate cleanup…read morebefore any repair work could begin. We contacted Scope Environmental because they specialize in a wide range of services, including sewage and mold remediation. Veronika was courteous, highly responsive, and scheduled a team to come out the same day. Peter and his crew were professional, efficient, and thorough. They quickly extracted the standing water, debris, and sewage, then applied absorbent materials to the wet areas to remove moisture. They also installed heaters and drying equipment to prevent further damage. I appreciated that they returned over the following days to monitor progress and ensure everything was drying properly. Their support during such a stressful situation made a world of difference. I highly recommend this reliable, family-owned company for anyone needing this kind of emergency cleanup services.

    The Testing Agency - environmentaltesting - Updated May 2026

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