11 Maintaining the ECD
Important Safety Information About the ECD
Maintaining Your GC 173
• Cap the inlet and outlet fittings when the ECD is not in use.
• Connect the ECD exhaust vent to a fume hood or vent it to the outside. See the latest
revision of 10 CFR Part 20 (including Appendix B), or the applicable state regulation. For
other countries, consult with the appropriate agency for equivalent requirements.
Agilent Technologies recommends a vent line internal diameter of 6 mm (1/4-inch) or
greater. With a line of this diameter, the length is not critical.