Table 1.
Test agent generation parameters.
| Chemical Name | CAS # | Vendor | Catalog Number | Gas Mixture or Lot # and Purity | GC Conditions/Methodology | Generation Method | Preparation for Method |
|---|---|---|---|---|---|---|---|
| Acrolein | 107-02-8 | Airgas National Welders | Custom | Acrolein in Nitrogen at 1011 PPM | Isothermal Oven Temperature: 28 °C held for 2.8 min; Column Flow: 10 mL/min; Splitless inlet at 200 °C; FID detector at 250C | Gas Cylinder | Acrolein in Nitrogen Target = 1000 PPM, Actual = 1011 PPM, Accuracy = ±2% |
| Acetaldehyde | 75-07-0 | Airgas National Welders | Custom | Acetaldehyde in Nitrogen at 2064 PPM | Isothermal Oven Temperature: 45 °C held for 1.5 min; Column Flow: 10 mL/min; Splitless inlet at 200 °C; FID detector at 250C | Gas Cylinder | Acetaldehyde in Nitrogen, Target = 2000 PPM, Actual = 2064 PPM, Accuracy = ±2% |
| 1-Bromopropane | 106-94-5 | Sigma Aldrich | B78106 | Lot #: WXBC0691V Purity: 99.8% | Isothermal Oven Temperature: 45 °C held for 1.5 min; Column Flow: 10 mL/min; Splitless inlet at 200 °C; FID and ECD detector at 250C | Liquid in vial | Chemical placed in vial (25mL) with orifice which was placed into the dynamic headspace generator to carry VOCs in air stream into chamber |
| Formaldehyde (paraformaldhyede) | 50-00-0 (30525-89-4) | Sigma Aldrich | 158127 | Lot #: STBB9507V Purity: 94.1% | Non-dispersive infrared analyzers | Solid in vial | Chemical placed in vial (25mL) with orifice which was placed into the dynamic headspace generator to carry VOCs in air stream into chamber |
| 1,3-Butadiene | 106-99-0 | Airgas National Welders | Custom | 1,3 Butadiene in Air at 511 PPM | Isothermal Oven Temperature: 27 °C held for 1.0 min; Column Flow: 10 mL/min; Splitless inlet at 200 °C; FID detector at 250C | Gas Cylinder | 1,3 Butadiene in Air Target = 500 PPM, Actual = 511 PPM, Accuracy = ±2% |
| Dichloromethane | 75-09-2 | Burdick & Jackson | 300-4 | Lot #: C0674 Purity: 99.9% | Isothermal Oven Temperature: 45 °C held for 2.5 min; Column Flow: 10 mL/min; Splitless inlet at 200 °C; FID and ECD detector 250C | Liquid in vial | Chemical placed in vial (25mL) with orifice which was placed into the dynamic headspace generator to carry VOCs in air stream into chamber |
| Trichloroethylene | 79.01-6 | Sigma Aldrich | 251402 | Lot #: SHBJ3703 Purity: 99.98% | Isothermal Oven Temperature: 60 °C held for 4 min; Column Flow: 10 mL/min; Splitless inlet at 200 °C; FID and ECD detector at 250C | Liquid in vial | Chemical placed in vial (25mL) with orifice which was placed into the dynamic headspace generator to carry VOCs in air stream into chamber |
| Carbon Tetrachloride | 56-23-5 | Sigma Aldrich | 319961 | Lot #: SHBJ0149 Purity: 99.90% | Isothermal Oven Temperature: 60 °C held for 4 min; Column Flow: 10 mL/min; Splitless inlet at 200 °C; FID and ECD detectors at 250C | Liquid in vial | Chemical placed in vial (25mL) with orifice which was placed into the dynamic headspace generator to carry VOCs in air stream into chamber |