EPA Method 0100

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EPA Method 0100:
SAMPLING FOR FORMALDEHYDE AND OTHER CARBONYL COMPOUNDS IN INDOOR AIR

Summary:
A known volume of indoor air is drawn through a prepacked silica gel cartridge coated with acidified 2,4-dinitrophenylhydrazine (DNPH), at a predetermined sampling rate for an appropriate period of time. After sampling, the sample cartridges are capped and placed in borosilicate glass tubes with polypropylene caps and placed in cold storage until analysis. The compounds of interest may then be eluted from the cartridge with acetonitrile from a plastic syringe reservoir into a graduated test tube or a volumetric flask. The eluate is then topped to known volume and refrigerated until analysis. Analysis may be done High Performance Liquid Chromatography (HPLC), Method 8315, with an ultraviolet (UV/Vis) detector at 360 nm.

Scope:
This method provides procedures for the sampling of various carbonyl compounds in indoor air by derivatization with 2,4-dinitrophenylhydrazine (DNPH) in a silica gel cartridge. The method may be used in conjunction with Method 8315.

Date Issued:
9/1/1983