Indoor Environmental Hazards

The Complete Homeowner and Building Owner Guide

Quick Hazard Screen

Answer two questions to see which hazards are most relevant to your situation.

1. When was the property built?

2. What is your planned activity?

Asbestos

Understanding materials, risks, and abatement.

Lead Paint

Identification, regulations, and safe renovation rules.

Radon

The invisible radioactive threat and how to mitigate it.

Mold

Moisture control, assessment, and remediation standards.

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Indoor Environmental Hazards

Quick Hazard Screen

1. When was the property built?

2. What is your planned activity?

Asbestos

Where asbestos is found (20+ common locations)

The key rule: condition matters more than presence

EPA regulations: NESHAP and OSHA requirements

Inspection types and costs

What happens if asbestos is found: abatement, encapsulation, and O&M

Real estate implications

Lead Paint

Where lead paint is found

Types of lead assessments and costs

Federal disclosure: the Residential Lead-Based Paint Hazard Reduction Act (RLPHRA)

HUD requirements for federally assisted housing

EPA RRP Rule (Renovation, Repair, and Painting)

Lead abatement options and costs

Radon

What radon is

How radon enters buildings

EPA action level: 4 pCi/L

Radon testing types and costs

Radon mitigation systems and costs ($800–$2,500)

Radon and real estate

Radon in water

Mold

What mold needs to grow

When to hire a professional vs. DIY

The mold assessment process

Conflict of interest: assessment vs. remediation

Remediation standards and process

Mold and real estate transactions

Mold and insurance coverage

Need help identifying hazards?