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14 Compounds associated with odors from mold and meldew

14 Compounds associated with odors from mold and meldew. db624 column for these measurements MDL for selected compounds Air samples (40 o C vial temperature). Mold & Mildew can cause substantial loss of property value. Indoor Atrium open to up and downstairs areas.

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14 Compounds associated with odors from mold and meldew

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  1. 14 Compounds associated with odors from mold and meldew • db624 column for these measurements • MDL for selected compounds • Air samples (40oC vial temperature)

  2. Mold & Mildew can cause substantial loss of property value Indoor Atrium open to up and downstairs areas

  3. Hotwater heater can be a major source of mold Leaking hot water heater HVAC unit distributes molds throughout house

  4. 3 Octanol in air 5 second sample, 40oC detector db624, 10ps-2a1b method 9,598 11,394 40 ppm 3-Octanol in air at 40C C8H18O Stock: 10 µL/mL 3-octanol in methanol 1 uliter injection of stock into 40 mL vial (40oC) ==>> Vapor Pressure: 40 ppm or 202 ng/mL

  5. 9795 8857 8326 1-octen-3-ol in air 5 second sample, 60oC detector db624, 10ps-2a1b method 41.4 ppm in air at 40C C8H16O Stock: 10 µL/mL 1-octen-3-ol in methanol 1 uliter injection of stock into 40 mL vial (40oC) ==>> Vapor Pressure: 41.4 ppm or 206.4 ng/mL

  6. 2-heptanone in air 5 second sample, 60oC detector db624, 10ps-2a1b method 5677 44.9 ppm 2-heptanone in air at 40C 5797 5392 5002 C7H14O Stock: 10 µL/mL 2-heptanone in methanol 1 uliter injection of stock into 40 mL vial (40oC) ==>> Vapor Pressure: 44.9 ppm or 199.8 ng/mL

  7. 3-Methyl-1-butanol in air 5 second sample, 40oC detector db624, 10ps-2a1b method 4539 1627 @60C 3738 58.3 ppm 3-Methyl-1-butanol in air at 40C 3543 3322 C5H12O Stock: 10 µL/mL 3-Methyl-1-butanol in methanol 1 uliter injection of stock into 40 mL vial (40oC) ==>> Vapor Pressure: 58.3 ppm or 200 ng/mL

  8. Alkane indexing c12 c13 c11 c14 c10

  9. 3-hexanone in air 5 second sample, 40oC detector db624, 10ps-2a1b method 51.8 ppm 3-hexanone in air at 40C 9542 9743 C6H12O Stock: 10 µL/mL 3-hexanone in methanol 1 uliter injection of stock into 40 mL vial (40oC) ==>> Vapor Pressure: 51.8 ppm or 202 ng/mL

  10. 2-Pentanol in air 5 second sample, 40oC detector db624, 10ps-2a1b method 6103 58 ppm 2-Pentanol in air at 40C 6212 C5H12O Stock: 10 µL/mL 2-Pentanol in methanol 1 uliter injection of stock into 40 mL vial (40oC) ==>> Vapor Pressure: 58 ppm or 200 ng/mL

  11. 3-Methyl-2-butanol in air 5 second sample, 40oC detector db624, 10ps-2a1b method 59 ppm 3-Methyl-2-butanol in air at 40C 1758 1618 C5H12O Stock: 10 µL/mL 3-Methyl-2-butanol in methanol 1 uliter injection of stock into 40 mL vial (40oC) ==>> Vapor Pressure: 59 ppm or 203 ng/mL

  12. trans 2-octen-1-ol in air 5 second sample, 60oC detector db624, 10ps-2a1b method 47685@40c 42 ppm t-2-octen-1-ol in air at 40C 5592 5464 C8H16O Stock: 10 µL/mL t-2-octen-1-ol in methanol 1 uliter injection of stock into 40 mL vial (40oC) ==>> Vapor Pressure: 42 ppm or 209 ng/mL

  13. 3-octanone in air 5 second sample, 60oC detector db624, 10ps-2a1b method 10992 41 ppm 3-octanone in air at 40C 11893 10785 C8H16O Stock: 10 µL/mL 3-octanone in methanol 1 uliter injection of stock into 40 mL vial (40oC) ==>> Vapor Pressure: 41 ppm or 204 ng/mL

  14. Methyl Furan in air 5 second sample, 40oC detector db624, 10ps-2a1b method 70.5 ppm Methyl Furan in air at 40C 839 789 C5H6O Stock: 10 µL/mL Methyl Furan in methanol 1 uliter injection of stock into 40 mL vial (40oC) ==>> Vapor Pressure: 70.5 ppm or 225 ng/mL

  15. t-amyl alcohol in air 5 second sample, 40oC detector db624, 10ps-2a1b method 58 ppm t-amyl alcohol in air at 40C 532 505 C5H12O Stock: 10 µL/mL t-amyl alcohol in methanol 1 uliter injection of stock into 40 mL vial (40oC) ==>> Vapor Pressure: 58 ppm or 199 ng/mL

  16. 2-isopropyl-3-methyloxypyrazine in air 5 second sample, 40oC detector db624, 10ps-2a1b method 19640 42.4 ppm 2-isopropyl-3-methyloxypyrazine in air at 40C 17801 C8H12N2O Stock: 10 µL/mL 2-isopropyl methyloxypyrazine in methanol 1 uliter injection of stock into 40 mL vial (40oC) ==>> Vapor Pressure: 42.4 ppm or 251 ng/mL

  17. 2-methyl isoborneol in air 5 second sample, 20oC-60oC detector db624, 10ps-2a1b method 1 uL 2-methyl isoborneol sample in air at 40C 5277@20 539@60C 4847@20C 1629@40C C10H18O Stock: unknown concentration 2-methyl isoborneol in methanol 1 uliter injection of stock into 40 mL vial (40oC) ==>> Vapor Pressure: unknown

  18. Geosmin in air 5 second sample, 20oC detector db624, 10ps-2a1b method 10337 352 ppb geosmin in air at 40C 13989 15786 C12H22O Stock: 99.5 µg/mL geosmin in methanol 1 uliter injection of stock into 40 mL vial (40oC) ==>> Vapor Pressure: 0.35 ppm or 2.5 ng/mL

  19. Resolving Co-elutione.g. octanol vs octanone 80oC isothermal Column Octanone 6.72 Octanol 7.14 C11 11.58 C10 6.62

  20. Alkane Cal Runs 5 second sample, 40oC detector db624, 10ps-2a1b method c10 c9 c13 c12 c14 c8 c11 c7 c6

  21. Results Summary of Results MDL (50 sec sample, 0oC Detector)

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