How is lead measured in water?

• <div><p>Several different measurements may be used to determine the amount of lead in water. The most common unit of measurement is micrograms per liter (µg/L), which is the same as parts per billion. Another measurement is milligrams per liter (mg/L), which is the same as parts per million.</p></div>

What questions should I ask a lead paint removal contractor?

• <div><p>You should ask a few questions to ensure that your potential lead removal professional is experienced and qualified to handle lead-paint abatement safely, legally, and properly. </p><ul><li><p>What are your qualifications and experience removing lead-based paint?</p></li><li><p>Are you licensed and certified to remove lead-based paint?</p></li><li><p>How do you test for lead paint?</p></li><li><p>What methods do you use for lead-based paint abatement?</p></li><li><p>What do you plan to do with the hazardous material when you remove it from the home?</p></li><li><p>Do you do replacement and painting work or removal only?</p></li></ul><p></p></div>

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Q: How often should properties be tested for lead?

• <div><p>Properties should be tested for lead every 2-3 years, especially if they are older, have undergone renovations, or show deterioration of paint or interior finishes.</p></div>

Q: What is the acceptable amount of lead in drinking water?

• <div><p>According to the EPA, there is no safe level of lead in the blood, and so the maximum contaminant level goal (MCLG) for lead in water is zero. Even at low levels, lead is harmful to human health. It can also remain in the body and build up over time with repeated exposure.</p></div>

Q: How long does lead dust stay in the air?

• <div><p>When a surface that contains lead dust is disturbed, the dust can float about in the air for roughly an hour before settling again. Since you cannot see the dust, it is important always to wear protective gear when working with any materials that may contain lead paint and to keep children, pets, and others away from the area for as long as possible</p></div>

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

*The Angi rating for Lead Testing And Removal companies in Portola, 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 Portola, 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 February 09, 2026

Reviewed in February 2026
H&S Painting exceeded my expectations! They were efficient, timely and excellent at their job. Everything stated in the bid got done and then some! The attention to detail is outstanding. The finished house looks brand new. I will hire them in the near future for other painting jobs without a...
H&S Painting
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Reviewed in April 2025
Aaron did a wonderful job pressure washing our sidewalks and patios. He was very professional, conscientious, and a pleasure to work with.
BUCKET OF DREAMS PAINTING LLC
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Reviewed in March 2024
I just wanted to express how SELIG stands by their fantastic warranty. I had some big picture windows replaced by them last fall and shortly later a bird flew into one of them and cracked the outer pane. Figuring that SELIG would procrastinate on fixing it since I didn't finance I just paid in...
Selig Construction Corporation
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Reviewed in January 2024
Very good and punctual workeruth krs for solar panels
California Green Energy Construction and Consulting, Inc.
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Reviewed in November 2022
Mike has now remodeled both our master bathroom and kitchen. The most recent is the kitchen and he did an amazing job! In a remodel that had several hiccups and delays from the cabinet and countertop vendors Mike was the bright spot with the people we worked with. He is very communicative,...
Horizon Remodeling, LLC
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Reviewed in June 2022
He is very fair, honest, trustworthy, and great guy!
Brad Nisbett Tile
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Reviewed in December 2021
He is prompt , courteous, communitive and excellent.
J W Harris Plumbing and Rooter
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Reviewed in September 2021
Everyone at Tekton was a dream team. Allison walked us through every step, helped choose materials and went with me to several suppliers even though this was a smallish concrete slab patio job. Both Allison and Roy really knew all the construction ins and outs to help us decide various elevation...
Tekton Group
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Reviewed in September 2021
Juan did a great job. Price very reasonable and he was on schedule.
Espinoza's Painting
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Reviewed in August 2021
Axel, the technician, arrived ahead of schedule, and performed the initial operation efficiently. When it was determined another operation would be necessary to restore proper function, quickly arrived at a solution, arranged for parts to be delivered, and quickly had my system back up and...
Plumbtree Plumbing and Rooter, Inc.
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Lead Testing and Removal questions, answered by experts

Properties should be tested for lead every 2-3 years, especially if they are older, have undergone renovations, or show deterioration of paint or interior finishes.

Several different measurements may be used to determine the amount of lead in water. The most common unit of measurement is micrograms per liter (µg/L), which is the same as parts per billion. Another measurement is milligrams per liter (mg/L), which is the same as parts per million.

You should ask a few questions to ensure that your potential lead removal professional is experienced and qualified to handle lead-paint abatement safely, legally, and properly.

What are your qualifications and experience removing lead-based paint?
Are you licensed and certified to remove lead-based paint?
How do you test for lead paint?
What methods do you use for lead-based paint abatement?
What do you plan to do with the hazardous material when you remove it from the home?
Do you do replacement and painting work or removal only?

According to the EPA, there is no safe level of lead in the blood, and so the maximum contaminant level goal (MCLG) for lead in water is zero. Even at low levels, lead is harmful to human health. It can also remain in the body and build up over time with repeated exposure.

When a surface that contains lead dust is disturbed, the dust can float about in the air for roughly an hour before settling again. Since you cannot see the dust, it is important always to wear protective gear when working with any materials that may contain lead paint and to keep children, pets, and others away from the area for as long as possible

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

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