EXPOSURE AUTOPSY™ REPORT
JOHNSON RESIDENCE
4BR / 2.5BA · Built 2003 · Austin, TX 78745
Report generated: February 14, 2026 · Analyst: Dr. K. Mercer
EXPOSURE BURDEN INDEX™
62
MODERATE EXPOSURE
LOW
MOD
HIGH
EXPOSURE BY VECTOR
💨 Air Quality72%
💧 Water64%
🧪 Surfaces18%
🦠 Biologicals45%
EBI SCORE TREND
JANFEBMARAPRMAYJUN
↓ 30 points over 6 months (improving)
DETAILED FINDINGS
| FINDING | VECTOR | MEASURED | LIMIT | RISK | STATUS |
|---|---|---|---|---|---|
| Lead (Pb) in tap water | Water | 18 ppb | 15 ppb | ACT | |
| VOC off-gassing (formaldehyde) | Air | 0.12 ppm | 0.08 ppm | ACT | |
| Mold spore count elevated | Air | 1,200/m³ | 1,000/m³ | MONITOR | |
| Radon basement level | Air | 2.8 pCi/L | 4.0 pCi/L | MONITOR | |
| PFAS in drinking water | Water | 6.2 ppt | 4.0 ppt | ACT | |
| PM2.5 indoor average | Air | 18 µg/m³ | 12 µg/m³ | MONITOR | |
| Chloroform (shower steam) | Water | 42 ppb | 70 ppb | IGNORE | |
| Pesticide residue (surfaces) | Surface | Trace | N/A | IGNORE |
PRIORITY ACTIONS — RANKED BY IMPACT
01
IMPACT: HIGHEFFORT: LOW
Install under-sink reverse osmosis filter
Removes lead, PFAS, and chloroform from drinking water. ~$150–$300 installed.
TIMELINE: This week
02
IMPACT: HIGHEFFORT: MEDIUM
Seal basement cracks for radon mitigation
While below EPA action level, proactive sealing prevents future accumulation. ~$800–$1,200.
TIMELINE: Within 30 days
03
IMPACT: HIGHEFFORT: LOW
Add HEPA purifier to nursery and master
Reduces PM2.5 and VOC exposure in sleeping areas. ~$200–$400 per unit.
TIMELINE: This week
04
IMPACT: MEDIUMEFFORT: LOW
Increase ventilation in kitchen during cooking
Run range hood on high for 15 min after cooking. Open windows when weather permits.
TIMELINE: Immediately
05
IMPACT: MEDIUMEFFORT: LOW
Replace HVAC filter with MERV-13
Captures finer particles including mold spores. ~$25–$40 per filter.
TIMELINE: Next filter change
06
IMPACT: MEDIUMEFFORT: MEDIUM
Schedule professional mold inspection
Elevated spore count warrants visual inspection of HVAC, attic, and crawlspace.
TIMELINE: Within 60 days
NEXT SCHEDULED RETEST: 90 DAYS · REPORT ID: AC-2026-0214-JR
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