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Q: Do all homes that were built before 1978 contain lead paint?

• <div><p>While not all homes built before 1978 contain lead paint, enough do, so you&rsquo;ll still want to test to be on the safe side. The federal government banned lead-based paint for homes in 1978, but your state may have banned lead before that time. Around 24% of homes built between 1960 and 1977 contained lead-based paint, while 87% of homes built before 1940 contained lead-based paint.</p></div>

Q: What steps should be taken if lead is found in a property?

• <div><p>If lead is detected in a property, steps should include arranging for professional removal or containment, notifying all occupants, and implementing interim safety measures to reduce exposure.</p></div>

Q: What pollutants are commonly tested for?

• <div><p>Mold, VOCs, radon, carbon monoxide, and particulate matter are typically measured.</p></div>

Q: What are the 4 categories of hazardous waste?

• <div><p>According to the Environmental Protection Agency (EPA), hazardous waste is generally classified into four main categories:</p><p>1. <b>Characteristic Wastes</b>: These exhibit at least one of four hazardous traits: ignitability (flammable, like gasoline), corrosivity (can rust or decompose materials, like car batteries), reactivity (unstable and can explode, like aerosol cans), or toxicity (harmful when ingested, like lead-based paint).</p><p>2. <b>Listed Wastes</b>: These are specific wastes from manufacturing and industrial processes that the EPA has officially designated as hazardous. They include byproducts from processes that use solvents, pesticides, and other chemicals.</p><p>3. <b>Universal Wastes</b>: These are commonly generated hazardous items that are subject to streamlined regulations. Examples include batteries, pesticides, mercury-containing equipment (e.g., bulbs), and some lamps.</p><p>4. <b>Mixed Wastes</b>: This category includes waste that contains both hazardous and radioactive components, making it subject to regulation by both the EPA and the Nuclear Regulatory Commission.</p></div>

Q: Is it safe to drink yellow water?

• <div><p>Iron sediments from rusty pipes are not likely to cause health problems. While a glass of yellow-hued water is off-putting, it is generally safe to drink yellow water in the short term. But you certainly want to address this problem. In the meantime, switching to bottled water until the yellow water issue is resolved is a good idea. </p></div>

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Verified Reviews for Lead Testing And Removal pros in Sonora, CA

*The Angi rating for Lead Testing And Removal companies in Sonora, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Lead Testing And Removal needs.

*The HomeAdvisor rating for Lead Testing And Removal companies in Sonora, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Lead Testing And Removal needs.

Last update on May 25, 2026

Reviewed in May 2026
Prompt and friendly, efficient and informative. Very pleased and satisfied.
Hughes Prospective Electrical Company LLC
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Reviewed in March 2026
Nic is professional. Nic performed a series of fire management removal and cleanup at my residence. Nic had all equipment necessary to perform the necessary vegetation management and tree removal around our residence. Nic removed all debris cut up the oak into firewood lengths to my needs! Nic...
Fries Timber
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Reviewed in November 2025
Prompt and efficient did an excellent job job!
Aguilar Construction
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Reviewed in July 2025
Marina was timely and thorough. Very pleasant to work with her and her husband. They were dependable and trustworthy. I will definitely use them again for house cleaning services.
Storey Cleaning Services
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Reviewed in April 2025
Rose Plumbing did an excellent job replacing our water heater. They responded the same day the job came in and were very professional. We utilized them for a circulation pump replacement under our kitchen sink as well, and again found them responsive, professional and friendly. I would highly...
A Rose Plumbing Inc
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Reviewed in October 2023
Very prompt, respectful and open.
D A Frederick Construction
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Reviewed in August 2023
Mike was an exceptional tree cutter. He came in and professionally removed some trees off my property. He responded quickly and was definitely thorough in the scope of the work. I would recommend him to anyone who needs tree work.
MKatz Green Gardens
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Reviewed in May 2023
Have the right equipment to handle the job the best way possible and get in and do good work in a timely manner.
City Turf Empire
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Reviewed in March 2023
Expecting to replace one but they recognized that I needed to replace 2 valves. 2 Leaking valves. They were courteous and professional. Explained what is needed to be done and did the job. They have all the tools and parts. They accomplished the project beautifully.
B's Irrigation and Handyman service
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Reviewed in March 2023
Professional considerate, responsible patient. They gave good input and helped me make a few changes that improve the overall look incredibly clean excellent communication on time and hard workers.
Ramirez Brothers LLC
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Find Lead testing and removal specialists in Sonora

Environmental Science Services

4.5(

)

Serving Sonora, CA and surrounding areas

Approved

In business since 1992

Free estimates

Emergency services offered

"Shane was my first contact (via phone) and was very knowledgeable and went above & beyond to answer all my questions. I tend to have pretty good discernment, and I immediately sensed I was dealing with an honest, straightforward company. Shane offered me an appointment 2 days later that s fast! Awesome when you re concerned about mold! Ray came to our house (a several hour drive to the Redding area!), and was prompt & called ahead to be courteous. Total genuine and nice guy (especially bc he s a dog lover ;) He wasn t rushed at all, answered all our questions (we had a lot), and actually said he likes & welcomes questions! After we received our report & invoice, I THOUGHT I was messaging my husband, lol, but I texted Shane: Thumbs up! They did thorough testing, & the price was still what was initially quoted! I highly recommend these guys!!"

Response time8 hrs

5 neighbors recently requested a quote

Recommended by97%of homeowners

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Advantage Environmental & Safety Services, Inc.

5.0(

)

Serving Sonora, CA and surrounding areas

In business since 2000

Free estimates

Credit card accepted

"Chris was extremely knowledgable and helpful with answering all my questions. He thoroughly explained the process of asbestos testing and removal, great customer service!"

Response time6 hrs

Response rate89%

Recommended by100%of homeowners

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SafeTerraSolutions

New to Angi

Serving Sonora, CA and surrounding areas

Free estimates

Small jobs welcome

Credit card accepted

Here at SafeTerraSolutions we have trained Environmental Scientists and skilled Home Inspectors that will identify any problems within your home. From Air quality to a leaky pipe, we are your one stop shop for total home inspections.

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Lead Testing and Removal questions, answered by experts

While not all homes built before 1978 contain lead paint, enough do, so you’ll still want to test to be on the safe side. The federal government banned lead-based paint for homes in 1978, but your state may have banned lead before that time. Around 24% of homes built between 1960 and 1977 contained lead-based paint, while 87% of homes built before 1940 contained lead-based paint.

If lead is detected in a property, steps should include arranging for professional removal or containment, notifying all occupants, and implementing interim safety measures to reduce exposure.

Mold, VOCs, radon, carbon monoxide, and particulate matter are typically measured.

According to the Environmental Protection Agency (EPA), hazardous waste is generally classified into four main categories:

1. Characteristic Wastes: These exhibit at least one of four hazardous traits: ignitability (flammable, like gasoline), corrosivity (can rust or decompose materials, like car batteries), reactivity (unstable and can explode, like aerosol cans), or toxicity (harmful when ingested, like lead-based paint).

2. Listed Wastes: These are specific wastes from manufacturing and industrial processes that the EPA has officially designated as hazardous. They include byproducts from processes that use solvents, pesticides, and other chemicals.

3. Universal Wastes: These are commonly generated hazardous items that are subject to streamlined regulations. Examples include batteries, pesticides, mercury-containing equipment (e.g., bulbs), and some lamps.

4. Mixed Wastes: This category includes waste that contains both hazardous and radioactive components, making it subject to regulation by both the EPA and the Nuclear Regulatory Commission.

Iron sediments from rusty pipes are not likely to cause health problems. While a glass of yellow-hued water is off-putting, it is generally safe to drink yellow water in the short term. But you certainly want to address this problem. In the meantime, switching to bottled water until the yellow water issue is resolved is a good idea.

The Sonora, CA homeowners’ guide to lead testing and removal services

From average costs to expert advice, get all the answers you need to get your job done.

See all articles

Angi
•
May 3, 2026May 3, 2026
How Much Does a Lead Paint Inspection Cost? [2026 Data]
Get expert insights on lead paint inspection costs, including key cost factors and ways to save. Learn what affects your estimate and how to budget effectively.
Angi
•
May 3, 2026May 3, 2026
How Much Does Lead Paint Removal Cost? [2026 Data]
Discover the average lead paint removal cost, key price factors, and tips to save on safe, professional lead paint abatement for your home.
Laura Hennigan
•
May 22, 2026May 22, 2026
Lead Paint Laws Hold Contractors to Stiff Safety Standards
Contractors play an essential role in lead paint safety, so homeowners should take the time to research and hire a pro with the proper certification. We outline how.
Kate Fann
•
May 3, 2026May 3, 2026
Who Can I Hire to Test for Lead Paint?
If you suspect the presence of lead paint in your home, testing is the natural first step. Here is who homeowners can hire to test for lead paint.
Kate Fann
•
Apr 5, 2026Apr 5, 2026
Who Do I Call to Remove Lead Pipes?
Confused about who to call to remove lead pipes? We've rounded up a few options for the safest removal by trained professionals.
Kyle Schurman
•
May 21, 2026May 21, 2026
Can You Paint Over Lead Paint Safely?
Can you paint over lead paint? You can use a process called encapsulation, which may require the help of a local professional paint service to do it safely.