IAQ Model For Windows:RISK

Mission of IAQ Engineering Program

Role of modeling program

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Model Design

Modeling decisions

Modeling decisions (Cont.)

Model limitations

Model limitations (Cont.)

Model organization

Model organization (Cont.)

Model equations

Types of sources

Source models-Empirical

Source models-empirical

Source models-empirical

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Source models-mass transfer

Sink model

Exposure

Types of Risk

Risk Calculation Procedure

Comparison with data

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Comparison of predictions and data

Comparison of predictions and data

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ASTM Criteria

ASTM Criteria (Continued)

ASTM Criteria Normalized Mean Squared Error

ASTM Criteria: Bias

Comparison for tracer gas

Comparison for various sources

Conclusions