TABLE IV

Screening Analysis of BDS for VOCs, SVOCs, and NVOCs

CompoundsAnalytical Methods
Concentration (ppb)
Detection LimitWFI RinsateFiltered BDS
VOCsby SPME GC-FID
    Ethanol50<505600
    Acetonitrile50<50<50
    Acetone50<5030
    Isopropanol501205300
    Diethyl Ether50<50<50
    Trans-1,2-Dichloroethene50<50<50
    Butyraldehyde50<50<50
    2-Butanone50<50<50
    Cis-1,2-Dichloroethene50<50<50
    Ethyl Acetate50<50<50
    Chloroform50<50<50
    Tetrahydrofuran (THF)50<50<50
    1,2-Dichloroethane50<50<50
    1,2-Dimethoxyethane50<50<50
    1-Butanol50<50<50
    Benzene50<50<50
    2-Pentanone50<50<50
    Methyl Isobutyl Ketone (MiBK)50<50<50
SVOCsby DCM extraction GC-MS
    3,5-Dimethyl Benzaldehyde1057<10
No other semi-volatile organic compounds in concentration >10 ppb were detected
NVOCsby DCM extraction GC-MS
No non-volatile organic compounds in concentration >10 ppb were detected