Table 1.
Test conditions for each trial a
| Trial No. | H2CO Vapor Source | Targeted PF Mass Sublimated Into Chamber Air (g) | Temperature | RH (method) | Efficacy or H2CO Characteristic |
|---|---|---|---|---|---|
| 1 | Paraformaldehyde | 5.2 | Ambient (21°C-22°C) | 75% starting (saltsb) | Efficacy |
| 2 | Paraformaldehyde | 5.2 | Ambient | 70%-75% controlled (salts) | Characteristic |
| 3 | Paraformaldehyde | 5.2 | 10°C controlled | 75% starting (salts) | Efficacy |
| 4 | Paraformaldehyde | 5.2 | 10°C controlled | 70%-75% controlled (salts) | Characteristic |
| 5 | Paraformaldehyde | 5.2 | Ambient | 75% starting (vaporc) | Characteristic (x1d) |
| 6 | Paraformaldehyde | 5.2 | Ambient | 75% starting (vapor) | Characteristic (x5e) |
| 7 | Paraformaldehyde | 5.2 | Ambient | 75% starting (vapor) | Characteristic (x20f) |
| 8 | Paraformaldehyde | 1 | Ambient | 70% starting (vapor) | Efficacy |
| 9 | Formalin | 1 | Ambient | 70%-80% starting (vapor) | Efficacy |
| 10 | Formalin | 5.2 | 10°C controlled | 75% starting (vapor) | Efficacy |
| 11 | Formalin | 1 | 10°C controlled | 75% starting (vapor) | Efficacy |
a
g, gram or grams; PF, paraformaldehyde; RH, relative humidity.
b
salts, RH generated with saturated salt in containers.
c
vapor, RH generated with water vapor (boiled).
d
x1, surface area of test chamber during normal setup.
e
x5, test chamber surface area increased x5 versus normal setup with 20 clear Plexiglas panels.
f
x20, test chamber surface area increased x20 versus normal setup with 85 clear Plexiglas panels.