Start with your question.
Tell us about your property, what you’ve noticed, and the work you’re planning. We help define the scope so the assessment fits the decision you need to make.
Prepare for your visitConfidence.From the details.
Environmental testing for the places you live, work, and build.
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Explore our testing
From questions
to clear answers.
Asbestos. Lead. Mold. Water.
Clear answers. A confident next step.
01Building materials
Before you disturb it.
Understand the materials in your building before renovation, demolition, or repair.
Explore asbestos services- What we look at
- Suspect building materials and the areas affected by your project.
- How we assess it
- Inspection, material sampling, and laboratory analysis as appropriate.
02Paint & surfaces
Look beyond the surface.
Paint, dust, and soil can raise different questions. Start with the right assessment.
Explore lead services- What we look at
- Painted surfaces, dust, soil, and potential exposure conditions.
- How we assess it
- Paint inspection, risk assessment, or clearance based on your scope.
03Moisture & conditions
Start with the water.
Find the moisture conditions behind the concern and understand what to do next.
Explore mold services- What we look at
- Moisture history, affected materials, and indoor conditions.
- How we assess it
- Visual assessment, moisture measurements, and sampling when useful.
04Drinking water
Know what flows through.
Plan drinking-water sampling with clear locations, laboratory results, and next steps.
Explore water testing- What we look at
- Drinking-water outlets and the requirements for your facility.
- How we assess it
- Coordinated sampling and laboratory analysis, including AB 2370 support.
Organizations we’ve worked with
City of Fresno
City of Clovis
City of Hanford
Producers Dairy
Fresno EOC
Self-Help Enterprises
Housing Authority of the County of Merced
How JSA works
Your survey.
From start to finish.
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A quick look at inquiry, booking, our inspections and sampling, and the report you receive.
A thoughtful process
Every detail.
A clearer picture.
From the first conversation to the final report, know what happens next.
Look closely.
The right approach depends on the concern. Inspections, measurements, and appropriate sampling help document the conditions within your project’s scope.
Explore our assessmentsMake an informed next move.
Understand what was assessed, what the findings mean, and where the limits are. Your report brings the details together to help you plan the next step.
See how a report worksInside a JSA report
The findings.
Made understandable.
Explore our actual report formats, with fictional sample details, and follow the explanations page by page.
Explore all report examples
Across California
Different places.
Different requirements.
Explore the county map for asbestos and lead guidance, local agencies, and the state and federal rules to review for your project.
Explore the county mapCalifornia58 counties
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Choose a county and explore local guidance.
Experienced. Reliable. Committed.
Let’s get
to the details.
You don’t have to choose a test on your own. Tell us what you’ve noticed or what work you’re planning.
Talk with JSA (559) 400-6656