A brief summary of the chapters in the documentation is listed below:
1. Chapter 1: Abstract contains an overview of the American Community Survey (ACS) and how to use the ACS Summary File technical documentation.
2. Chapter 2: How to Use the Summary File gives users the background information on the data tables. It also describes the naming conventions on the table names, and it gives a brief summary of the geographies.
3. Chapter 3: Subject Locator is an index designed to help users quickly identify the tables in the summary file. This index is arranged in alphabetical order by the name of a subject.
4. Chapter 4: Summary Level Sequence Chart has a detailed list on the geographies and their summary level. The summary level is a three-character code that the ACS uses for identifications on geographies. The summary level is used in the production of the ACS data.
5. Chapter 5: List of Detailed Tables contains information on the file identification, the table's identification number, title of the table, how many cells are the table, the start position for the table, and the sequence numbers.
6. Chapter 6: Accuracy of the Data provides data users with a basic understanding of the sample design, estimation methodology, and accuracy of the data.
7. Chapter 7: User Updates informs data users about corrections, errata, and related information. Users can find unique characteristics, changes, or corrections associated with the data. American Community Survey Notes and Errata, which contain user updates for individual files, are located on http://www.census.gov/acs/www/UseData/Errata.htm
Additional reference materials can be found in the appendices of this document:
A. Appendix A contains information on American Community Survey geographic terms and concepts.
B. Appendix B links to the subject definitions on the ACS Website.
C. Appendix C gives an overview on American Community Surveys collection methods and procedures. Data Collection and Processing Procedures are located in Appendix C.
D. Appendix D links to the ACS questionnaire on the website.
E. Appendix E links to data products and user assistance.
F. Appendix F links to maps of areas published by the 2008 ACS for the nation, counties and places, PUMAs, Core Based Statistical Areas, and the 110th Congressional District.
G. Appendix G links to ACS code lists for "Ancestry," "Hispanic Origin," "Industry," "Language," "Occupation," "Place of Birth," "Migration," and "Place of Work," "Race," and "State." Also included is the GQ Code List.
H. Appendix H consists of the document "Examples of Standard Error Calculations" which contains examples based on the real data to demonstrate the use of the formulas referenced in the Accuracy of the Data Document in Chapter 7.
I. Appendix I links to FTP documentation, including the ReadMe file and sample SAS programs.
J. Additional User Notes are located in Appendix J.