GASCO Non-Reactive Multi Gas Mixtures
| GASCO P/N Suffix |
Carbon Monoxide | Methane | Pentane | Oxygen | Balance |
| -300 | 250 PPM | 50% LEL | AIR | ||
| -301 | 50 PPM | 50% LEL | AIR | ||
| -303E | 50 PPM | 50% LEL | Propane | 18% | NITROGEN |
| -306 | 20% LEL | 19% | NITROGEN | ||
| -307 | 200 PPM | 50% LEL | AIR | ||
| -309 | 200 PPM | 50% LEL | 19% | NITROGEN | |
| -310 | 100 PPM | 50% LEL | 19% | NITROGEN | |
| -311 | 100 PPM | 25% LEL | 19% | NITROGEN | |
| -312 | 25% LEL | 19% | NITROGEN | ||
| -313 | 100 PPM | 20% LEL | AIR | ||
| -314 | 1.45% | 60% LEL | 15% | NITROGEN | |
| -314A | 60 PPM | 1.45% | 60% LEL | 15% | NITROGEN |
| -315 | 50 PPM | 50% LEL | 17% | NITROGEN | |
| -318 | 50 PPM | 50% LEL | 12.0% | NITROGEN | |
| -321 | 100 PPM | 50% LEL | 17.0% | NITROGEN | |
| -325 | 35 PPM | 10% LEL | 18.0% | NITROGEN | |
| -329 | 50 PPM | 10% LEL | 18.0% | NITROGEN | |
| -393 | 50% LEL | 18.0% | NITROGEN | ||
| -394 | 100 PPM | 24% LEL | AIR | ||
| -397 | 50 PPM | 25% LEL | AIR | ||
| -398 | 35 PPM | 30% LEL | 18.5% | NITROGEN |