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Indoor Air Quality Methods

Environmental Analytical Service has been providing analytical services for indoor air quality for almost 30 years.  Our focus is using the EPA Indoor Air Quality Methods known as the IP methods.  These methods were developed by EPA for the purpose of getting lower detection limits then were available with the NIOSH or OSHA workplace methods which generally involved solvent extraction of tubes or badges.  Many of the methods are identical to the EPA Ambient Air Methods known as the TO methods.  The table below shows the common indoor air tests with the IP method and the equivalent ambient air method.

Description

Indoor Air Method

TO Method Equivalent

Sample Media

Volatile Organic Compounds

IP-1A

TO-15

Canister
Volatile Organic Compounds IP-1B TO-17 Sorbent Tube
TVOC - Total Volatile Organic Compounds
IP-1A TO-15 Canister

Carbon Dioxide

 

 

Canister
Portable_Meter

Formaldehyde

IP-6

TO-11A

DNHP Cart
DNPH Badge

4-PCH

IP-1A

IP-1B

TO-15

TO-17

Canister

Sorbent Tube

Carbon Monoxide

IP-3        

Portable Meter

 

Canister

Instrument
Pesticides IP-8 TO-10 OVS PUF

ORBO PUF
SVOC IP-7 TO-13A PFU/XAD
Particulates      PM-10 Portable Meter   Instrument