#	Letters of Interpretation
1	09/18/2019 - 1910.1020(c)(6)(i)(B) - Retention of Spirometry Records
2	07/16/2018 - 1910.1020(c)(6) - Access to Employee Exposure and Medical Record and the OSHA’s Federal Labor Laws Poster
3	03/27/2006 - 1910.1020(c)(6) - Clarification of "trade secret" and the employer's obligation to provide genetic coding information.
4	08/01/2002 - 1910.1020(c)(6)(ii)(C) - Record retention requirements for indoor air quality documents and reports
5	03/27/2002 - 1910.1020(c)(6) - Air monitoring results, citations, and employee exposure records
6	03/13/1990 - 1910.1020(c)(6)(i)(B) - Clarification explaining that chest X-rays be retained in their original form.
7	12/15/1981 - 1910.1020(c)(6) - Employee examination of the original x-ray in lieu of providing a copy is permitted.