Local Government Central

Statewide Adjustment Factors

This table shows adjustment method factors used to calculate the statewide diversion rate estimates: population, employment, and taxable sales. Through 2004, CIWMB adjusted taxable sales for inflation using the Consumer Price Index (CPI). In 2005, the CIWMB began using the Taxable Sales Deflator Index (TSDI) to adjust taxable sales for inflation. A preliminary TSDI is used for the statewide diversion rate.

• Growth in these factors is available in graph format at the Adjustment Factor Trend Chart.
• See a graph of solid waste generated, diverted, and disposed in California for the years 1989–2006.

*The Board's Taxable Sales Deflator Index (TSDI) was used to remove inflation from taxable sales amounts used in statewide diversion rate estimates for 2005 and 2006. A preliminary TSDI is used for the statewide diversion rate. Prior to 2005, Consumer Price Index (CPI) was used. In 2004, the State Board of Equalization stated that its taxable sales deflator is a more accurate measure of inflation in taxable sale amounts. Because of this change in methodology, the statewide generation and diversion rate estimates for 2005 and 2006 are not directly comparable with prior year estimates.

Sources:
Population: California Department of Finance | Employment: California Employment Development Department | Taxable Sales: California State Board of Equalization | CPI: California Department of Industrial Relations | TSDI: California State Board of Equalization and California Integrated Waste Management Board

Local and Regional Summaries | Disposal and Diversion Statistics

Last updated: January 09, 2008