422x Apr 2026

Facilities identified within the 422x series are often subject to specific environmental reporting requirements, such as those outlined by the California Air Resources Board (CARB):

For facilities in this sector, maintaining compliance involves rigorous documentation: Facilities identified within the 422x series are often

Special Warehousing and Storage (not elsewhere classified). 3. Environmental and Regulatory Compliance Effective management requires a clear understanding of both

The 422x classification represents a diverse industrial sector that must navigate complex regulatory landscapes. Effective management requires a clear understanding of both the SIC code definitions and the specific local or state environmental mandates that overlay them. Guide for authors - Poetics - ISSN 0304-422X Executive Summary

Warehousing facilities may be subject to the Emission Inventory Criteria and Guidelines (EICG) if their activities involve specific industrial processes or chemical storage listed under Appendix E.

1. Executive Summary