Environmental Optimization Report
Your home should be your sanctuary—a place where your body can truly rest, recover, and thrive. This comprehensive environmental health assessment reveals the hidden biological stressors in your living environment—from electromagnetic fields and air quality to sleep optimization, thermal comfort, and beyond.

RESIDENCE
Bryan Johnson
Assessment Date
February 25, 2026
Full residential
Single-family dwelling
Building Biologist
Ryan Blaser E.E., BBEC, EMRS
Environmental
Health Specialist

Executive Environmental Summary
At-a-Glance Health Metrics
Nine core environmental domains were assessed. Each domain is scored against clinical reference thresholds. Green indicates optimal range; amber denotes elevated risk; red requires immediate remediation.
Air Quality
Optimal
CO₂, VOCs, and CO within safe reference intervals.
Water Quality
Monitor
Mineral content and chlorination byproducts.
Mold Risk
Low Risk
Relative humidity within recommended parameters.
Sleep Environment
Suboptimal
Light and EMF interference detected near rest zone.
Environmental Lighting
Suboptimal
Evening blue light exposure elevated in key zones.
EMF Exposure
Extreme
Bedroom readings elevated above biological thresholds.
Sound & Vibration
Monitor
HVAC drone and transformer buzz detected.
Visual & Psychological
Optimal
Safe environment with some clutter noted.
Thermal Comfort
Optimal
Ambient temperature consistent across living zones.
View Details →
Air Quality Assessment
Indoor air quality is vital for health, comfort, and productivity. Our comprehensive assessment identifies potential risks by evaluating key parameters to ensure a healthy living environment.
Humidity & Temperature
Carbon Dioxide
CO₂ is elevated in all indoor rooms, indicating that ventilation is the primary issue.
Total VOCs
Total VOCs are elevated in most rooms, with the master bedroom highest at 450 ppb, suggesting ongoing indoor source control is needed.
  • Improve whole-home ventilation.
  • Identify and reduce off-gassing sources, especially in the master bedroom and kitchen.
VOC Breakdown - Upper Level
VOC Breakdown - Main Level
Odorants, Hazardous Air Pollutants - Upper Level
HAP = EPA Hazardous Air Pollutant. All three HAPs detected (Toluene, m,p-Xylene, Hexane) are far below NIOSH occupational limits. Unlike the Main Level, no Methylene Chloride (carcinogen) was detected in the Master bedroom. The elevated Ethanol (120 ng/L) compared to the Main Level (51 ng/L) suggests higher use of alcohol-based products or cleaning agents in this room.

Odorants, Hazardous Air Pollutants - Main Level
HAP = EPA Hazardous Air Pollutant. These compounds are known or suspected to cause cancer or serious health effects. While all detected levels are far below NIOSH occupational limits, Methylene Chloride has no established safe limit and is classified as a carcinogen. Continued monitoring is recommended.
Particulate Matter PM2.5
PM2.5 levels are excellent across all indoor zones.
Particulate Matter PM10
PM10 is also within the no-concern range indoors, with only the outdoor reading slightly elevated.
PM10 Breakdown
* Detected at 300X magnification. Skin Fragment & Fibrous Particulate ratings: 1 = 1–25% of background material (lowest level). '—' = Not detected. All indoor locations rated Optimal across all three particulate categories.
  • No particulate remediation is required indoors.
  • Maintain filtration and routine cleaning to control larger dust particles.
Gasses, Vapors & Odorants
Section 04 — Water Quality Assessment
Water Quality Assessment
Water quality is paramount for health and well-being. Guided by Building Biology principles, our assessment ensures your home's water is free from contaminants, properly structured, and adequately remineralized. We evaluate key parameters to provide truly life-sustaining water.
Detailed Water Quality Parameters
Recommendations for Water Optimization
Advanced Filtration Systems
Install a comprehensive filtration system (e.g., reverse osmosis coupled with carbon filters) at the point of use for drinking and cooking. Consider a whole-house filter to reduce overall exposure to chlorine and other chemicals.
Optimal Remineralization
Given the low mineral content of the filtered water, we recommend obtaining essential minerals through high-quality supplementation and mineral-rich whole foods. This approach provides better bioavailability and allows for more precise mineral intake tailored to individual needs.
Water Structuring
Explore water structuring devices or methods (e.g., vortexing, crystal arrays) to enhance the water's natural molecular structure. Structured water is believed to improve cellular hydration and nutrient delivery, aligning with Building Biology principles.
Section 05 — Mold Risk Assessment
Mold and Bacteria Assessment
A comprehensive mold and bacteria assessment was conducted, meticulously inspecting interior and exterior components for moisture intrusion and microbial growth. Findings are categorized below, highlighting areas of concern and recommended actions.
Identified Microbial Growth
Potential microbial growth underneath indoor plant potters. Check all of them and clean with soap and water. Swab sample three.
Potential microbial growth in washing machine. Swab sample four.
Microbial growth in toilet tank in son’s room. Clean with soap and water.
Potential Microbial Growth
Potential water damage in ceiling in office bathroom. Further investigation may be necessary.
Surface Contamination
Fungal Air Analysis by Location
Outside Visual Inspection
  • Trees, shrubs, or vines touching the home: Yes. Vegetation contact noted. Action Required
  • Dirt or landscaping above foundation against siding: No. ✓ Clear
  • Grade slopes into the house: No. ✓ Clear
  • Gutter downspouts drain within 6 ft of home: No, they drain further away. ✓ Clear
  • Signs of puddling against home: No. ✓ Clear
  • Gutters plugged or full of debris: Don't know. Monitor
  • Signs of sprinklers hitting the home: No. ✓ Clear
  • Patios or driveways above foundation: No. ✓ Clear
  • Any walls wet or water damaged: No. ✓ Clear
  • Any exterior water leaks: No. ✓ Clear
  • Any cracks in foundation: No. ✓ Clear
  • Any cracks around windows: No. ✓ Clear
  • Any cracks on walls: No. ✓ Clear
  • Visible fungal growth on exterior: No. ✓ Clear
  • Exterior paint peeling and/or bubbling: No. ✓ Clear
  • Deck or covering attached to home: No. ✓ Clear
Inside Visual Inspection -
Kitchen, Laundry & Bathrooms
  • Kitchen — Moisture or water damage under sink: Yes. Action Required
  • Kitchen — Moisture or water damage around dishwasher: Yes. Action Required
  • Kitchen — Moisture or water damage around fridge: No. ✓ Clear
  • Kitchen — Visible mold or suspect growth: Don't know. Monitor
  • Kitchen — Musty smell: No. ✓ Clear
  • Kitchen — Stains on/near pipes: No. ✓ Clear
  • Kitchen — Garbage disposal dirty: No. ✓ Clear
  • Laundry — Moisture or water damage around washer: No. ✓ Clear
  • Laundry — Visible mold or suspect growth in or around washer: Yes. Action Required
  • Laundry — Musty smell in or around washer: No. ✓ Clear
  • Laundry — Signs of leaky water connectors or drain: No. ✓ Clear
  • Bathrooms — Moisture or water damage under sink: No. ✓ Clear
  • Bathrooms — Moisture or water damage around shower/tub: No. ✓ Clear
  • Bathrooms — Moisture or water damage around toilet: No. ✓ Clear
  • Bathrooms — Visible mold or suspect growth in toilet tank, around showers or sink: Yes, noted in one bathroom. Action Required
  • Bathrooms — Signs of leaky pipes or fixtures: No. ✓ Clear
  • Bathrooms — Musty smell: No. ✓ Clear
  • Bathrooms — Carpet in bathrooms: No. ✓ Clear
Inside Visual Inspection -
Mechanical & Structure
  • Mechanical room — Moisture present or signs of water damage: No. ✓ Clear
  • Mechanical room — Visible mold or suspect growth: No. ✓ Clear
  • Mechanical room — Signs of leaky pipes: No. ✓ Clear
  • Mechanical room — Rusty equipment: No. ✓ Clear
  • Mechanical room — Musty smell: No. ✓ Clear
  • Air conditioner system — Moisture present or signs of water damage: No. ✓ Clear
  • Air conditioner system — Visible mold or suspect growth: No. ✓ Clear
  • Air conditioner system — Condensation line is plugged: No. ✓ Clear
  • Air conditioner system — Ducting, vents, or inner workings are dirty: No. ✓ Clear
  • Air conditioner system — Proper air filter installed and clean (MERV 9 or higher): Yes. ✓ Clear
  • Air conditioner system — Musty smell: No. ✓ Clear
  • Structure — Any walls or ceilings have water damage, peeling or bubbling: No. ✓ Clear
  • Structure — Any windows have mold or condensation: No. ✓ Clear
  • Structure — Floors have cracks, buckling, or feel soft: No. ✓ Clear
  • Structure — Any expanded or cracked base boards: No. ✓ Clear
  • Structure — Musty smell: No. ✓ Clear
Attic & Basement Inspection
  • Basement / Crawlspace: Not applicable or not inspected for this property.
  • Attic: Not applicable or not inspected for this property.
Overall, the property shows a largely clear mold-risk profile, with the main concerns concentrated in the kitchen, laundry area, and one bathroom. Vegetation contact at the exterior and unknown gutter condition should also be monitored because they can contribute to moisture retention around the home. All mechanical systems, HVAC components, and structural elements inspected were clear, and no musty odors were detected anywhere during the assessment.
Section 03 — Sleep Environment
Sleep Environment Optimization
The sleep environment is critical for biological recovery. Light, thermal variance, and EMF exposure during sleep directly impair cellular repair and hormonal regulation. Optimizing these factors is key to improving health.
Light Hygiene
Blue-spectrum light from electronic devices was detected after 10 PM, exceeding safe thresholds. Blackout panels and device removal are recommended.
EMF Reduction at Rest
AC magnetic fields and RF from charging devices exceeded sleeping thresholds. Relocating the router and using airplane mode on phones at night are first-line interventions.
Thermal Optimization
Core sleep temperature of 68°F is within the ideal range. Seasonal monitoring is recommended for consistency during warmer months.
Acoustic Environment
Ambient noise levels from street traffic were sub-optimal for deep sleep. White noise masking or acoustic window treatment is advised for sensitive sleepers.
Bedding & Body Contact Materials
Materials in direct contact with our bodies during sleep significantly impact health. Natural, organic fibers offer superior breathability and reduce exposure to chemical off-gassing, supporting the body's natural detoxification processes and creating a healthier sleep sanctuary.
Section 02 — Environmental Lighting & Circadian Rhythm
Lighting & Circadian Rhythm Assessment
Disruption of the body's natural circadian rhythm, primarily influenced by light exposure, can have a significant impact on overall health. Our assessment evaluates the light environment in various zones of your home, identifying potential sources of circadian interference, particularly concerning inappropriate blue light exposure in the evenings. Understanding and optimizing these light patterns are crucial for supporting restorative sleep and overall well-being.
Overhead Canned Lighting
Bathroom Tube Lighting
Tabletop Lamp
DAYTIME
  • Maximize natural daylight exposure
  • Prefer bright, full-spectrum light
  • Supports alertness & circadian rhythm
NIGHTTIME
  • Amber/firelight spectrum only
  • Low light levels (<100 lux)
  • Indirect/ambient lighting
  • Avoid harsh screens & overheads
EMF Assessment
A thorough assessment of electromagnetic fields (EMF) was conducted to pinpoint potential exposure sources throughout your home. Readings were benchmarked against established biological reference limits from Building Biology standards, guiding our risk evaluation and recommendations.
Background Readings
Interior AC Magnetic Fields
Master Bedroom Detailed Assessment
Top Value = Electric Field (V/m) | Bottom Value = Magnetic Field (mG)
✓ With Circuits ON
Head of Bed
⏻ With Circuits OFF
Head of Bed
Interior Radio Frequency Fields
Earth & Location Factors
While not directly measurable by standard EMF meters, earth energies and environmental location factors significantly influence biological health according to Building Biology principles. Geopathic stress (e.g., from underground water veins) and external stressors can impact resilience and amplify EMF effects. Assessing these factors provides a holistic view of your living environment's potential influence on well-being.
Section 03 — Sound, Vibration, and Mechanical Disturbance
Sound, Vibration & Mechanical Disturbance Assessment
Subtle low-frequency sounds, vibrations, and mechanical disturbances can disrupt your home, affecting sleep, cognitive function, and overall well-being. Our assessment identifies these hidden stressors, quantifying their presence to create a more serene and biologically supportive living space.
Baseline acoustic conditions are excellent across the home, with Kitchen/Dining and both the Master Bedroom and Office measuring 31–39 dB before mechanical equipment is introduced. The air filtration units add 11–15 dB in the Master Bedroom and Office, shifting both spaces into Slight Concern territory when active.
The home sits directly beneath an active airport flight path, creating frequent and unpredictable noise spikes as aircraft pass overhead. These events intermittently add approximately 10–25 dB to ambient levels in the living space, which can push otherwise acceptable rooms into Slight Concern or higher territory. Even brief acute noise exposures are biologically meaningful: they can activate cortisol and adrenaline responses, fragment sleep architecture, and reduce cognitive recovery during rest periods.
Section 05 — Visual & Psychological Environment Assessment
Visual & Psychological Environment Assessment
Our living spaces profoundly influence nervous system regulation and mental well-being. A harmonious environment, characterized by thoughtful spatial organization, natural elements, and a sense of safety, can significantly reduce stress and enhance cognitive function. Building Biology principles emphasize creating spaces that support psychological comfort and foster an environment for rest and rejuvenation.
Assessment Findings
The environment generally provides a sense of physical and emotional safety, but opportunities exist to enhance visual tranquility and reduce digital distractions, particularly in recovery spaces.
Section 06 — Findings & Recommendations
Findings & Prioritized Recommendations
All identified findings are ranked by biological impact and ease of remediation. Immediate-priority items should be addressed within 30 days. Ongoing items require monitoring at the next scheduled assessment.
The most critical issues are EMF exposure, especially in the master bedroom and sleep environment, along with elevated CO₂ and ventilation limitations throughout the home.
01
Master Bedroom RF Radiation
(Priority: Immediate)
02
Master Bedroom AC Electric Fields
(Priority: Immediate)
03
Whole-Home RF Exposure
(Priority: Immediate)
04
Smart Meter RF Bursts
(Priority: Immediate)
05
Kitchen Moisture
(Priority: Immediate)
Overall Environmental Health Score
The bar chart reflects the actual environmental health scores from the home assessment, showing the greatest concern in EMF exposure and more moderate concerns related to air quality, mold risk, and chemical safety.
Next Steps
This process outlines the journey from understanding the assessment results to implementing corrective actions and ensuring their effectiveness through subsequent monitoring.