IAQ
Basement Air Quality
Web Story
Basement Air Quality Check
A short visual story covering basement moisture, corroded piping, flood cleanup, hidden mold, damaged materials and indoor air quality concerns.
Visual Environmental Resources for Building Owners, Residents & Professionals
Environmental Field Guides & Web Stories
Explore short visual Web Stories and selected environmental field guides covering mold, moisture, indoor air quality, HVAC conditions, lead, formaldehyde, dust and other building-related environmental concerns.
WEB
Web Stories
Short mobile-first visual resources
FLD
Field Guides
Practical building-focused guidance
CIH
Professional Context
Independent environmental consulting
BLOG
Full Article Library
Separate Resource Center for long-form articles
A focused visual-resource hub
Field Guides Are Different From the Full Blog & Resource Center
This page is intentionally limited to Angstrom's short visual Web Stories and a selected group of practical field guides. It is not intended to duplicate the complete article directory.
Use the visual stories for a quick introduction to a building concern. Use the field guides when you want practical information about inspection, moisture, sampling, common locations, testing limitations or next steps.
For the complete library of technical articles, environmental testing posts and topic categories, visit the Environmental Testing Blog & Resource Center .
Angstrom provides independent inspection, testing, sampling, consulting and written reporting. We do not perform remediation, abatement, cleanup, restoration or repair contracting.
Original Angstrom visual stories
Environmental Testing Web Stories
These short visual stories provide mobile-friendly introductions to common environmental concerns. For more technical detail, use the related field guide or service page.
Pb
Lead Paint Hazards
Web Story
Lead Paint Hazards
A short visual story introducing lead-paint concerns, XRF testing, deteriorated painted surfaces and the importance of keeping lead-painted building components in good condition.
Selected practical guides
Environmental Field Guides
These selected guides focus on practical building questions rather than serving as a complete article archive. The full article library remains available on the Resource Center.
Mold & Moisture
Hidden Mold: Signs, Common Locations & How It Is Investigated
Concealed mold behind walls, flooring, ceilings, cabinets and other assemblies affected by moisture.
Open hidden mold guide Mold Inspection When to Get a Mold InspectionWhen professional assessment may be useful after water damage, musty odors, visible concerns, HVAC complaints or remediation.
Open mold inspection guide Post-Remediation Mold Clearance & Post-Remediation VerificationIndependent inspection, moisture review, cleanliness evaluation and targeted sampling after mold cleanup.
Open clearance guide Mechanical Systems Mold in HVAC SystemsAir handlers, fan coils, blowers, coils, condensate pans, duct liner, registers, dust and moisture conditions.
Open HVAC mold guide Indoor Air Quality Sick Building Syndrome & Indoor Air QualityVentilation, VOCs, formaldehyde, mold, dust, HVAC conditions and building-related complaints.
Open IAQ field guide Formaldehyde Formaldehyde From Cabinets, MDF & Engineered WoodComposite wood, cabinetry, furniture, off-gassing, testing and practical interpretation of indoor formaldehyde concerns.
Open formaldehyde guide Lead Dust Lead Dust Testing & Dust Wipe SamplingLead dust on floors, window sills, window wells, stairs, renovation areas and other settled-dust surfaces.
Open lead dust guide Dust & Allergens Dust Allergens in Bedding, Carpeting & Soft SurfacesDust mites, pet dander, pollen, mold spores and other biological material that may accumulate in household dust reservoirs.
Open dust allergen guideLooking for the complete article archive?
Browse the Environmental Testing Blog & Resource Center
The Resource Center contains the broader article library covering mold, IAQ, chemical exposures, lead, asbestos, water, Legionella, bacteria, silica, mercury, RF testing and other environmental topics.
Start with the building concern
Find the Right Environmental Resource
Mold, Moisture & HVAC
Use these resources for leaks, musty odors, concealed mold, HVAC debris or post-remediation questions.
Indoor Air & Chemical Concerns
Start here for odors, ventilation, VOCs, formaldehyde, dust, particles or multi-factor indoor air quality complaints.
Lead, Dust & Older Buildings
Use these resources for painted surfaces, renovation dust, older housing and settled-dust concerns.
Field guide questions
Frequently Asked Questions
What is the difference between this page and the Blog & Resource Center?
This page is a smaller visual-resource hub for Web Stories and selected practical field guides. The Blog & Resource Center at /posts/ is the complete article library organized by environmental topic.
What is an Angstrom Web Story?
A Web Story is a short visual, mobile-oriented resource that introduces a topic in a sequence of screens. It is intended as a quick overview, not a substitute for a complete technical article or site-specific inspection.
Are the field guides site-specific recommendations?
No. The field guides provide general environmental and building information. Site-specific recommendations require review of the actual property, materials, moisture conditions, HVAC systems, sampling locations, complaint history and project objective.
Where should I go if I already know which test I need?
Use the related service page or contact Angstrom directly. Service pages explain typical inspection objectives, sampling methods, limitations, service areas and the documentation that may be provided.
Does Angstrom perform remediation or cleanup?
No. Angstrom provides independent environmental inspection, testing, sampling, consulting and reporting. We do not perform mold remediation, asbestos abatement, lead abatement, hazardous-material cleanup, restoration or repair contracting.
Need Site-Specific Environmental Testing?
Use the field guides to narrow the concern, then tell us about the property, affected areas, odors, moisture history, visible conditions, renovation work, HVAC concern, previous testing and the documentation you need.
Request testing or inspection
Tell Us About the Environmental Concern
Use the form below to describe the property type, location, affected rooms, moisture or odor history, visible conditions, HVAC concern, renovation history, previous testing and the type of inspection or laboratory analysis you are considering.
