#	Letters of Interpretation
1	03/27/2015 - 1910.1200(h) - Hazard communication requirements for commercial ink cartridges
2	12/23/2014 - 1910.1200(h)(3)(iii) - Applicability of OSHA's Hazard Communication Standard for truck drivers hauling waste products that are exempt by EPA
3	12/23/2014 - 1910.1200(h)(3)(ii) - Applicability of OSHA's Hazard Communication Standard for truck drivers hauling waste products that are exempt by EPA
4	12/23/2014 - 1910.1200(h)(3) - Applicability of OSHA's Hazard Communication Standard for truck drivers hauling waste products that are exempt by EPA
5	12/23/2014 - 1910.1200(h)(2) - Applicability of OSHA's Hazard Communication Standard for truck drivers hauling waste products that are exempt by EPA
6	12/23/2014 - 1910.1200(h)(1) - Applicability of OSHA's Hazard Communication Standard for truck drivers hauling waste products that are exempt by EPA
7	12/02/2013 - 1910.1200(h)(3)(iv) - Interim Guidance on Enforcement of the revised Hazard Communication Standard
8	12/02/2013 - 1910.1200(h), 1910.1200(h)(3)(iv) - Interim Guidance on Enforcement of the revised Hazard Communication Standard
9	05/12/2011 - 1910.1200(h)(3) - Applicability of the Hazard Communication standard to DEF tank operations.
10	04/28/2010 - 1910.1200(h) - OSHA Training Standards Policy Statements
11	05/19/2009 - 1910.1200(h) - Application of OSHA PEL for nitric oxide as 8-hr TWA to pregnant employees.
12	12/22/2008 - 1910.1200(h) - Requirements of the HCS and the employer's ability to rely on a manufacturer's hazard determination.
13	10/24/2005 - 1910.1200(h) - Training programs for the Control of Hazardous Energy (LOTO) and for the Hazard Communication standard are not satisfied solely by merely providing employees written documentation.
14	08/12/1992 - 1910.1200(h) - Training requirements for maintenance of housekeeping personnel.
15	04/03/1991 - 1910.1200(h) - Emergency response in the trucking industry
16	01/30/1991 - 1910.1200(h) - HCP requirements for employers at multi-employer worksites
17	01/22/1990 - 1910.1200(h) - Hazard Communication Standard.
18	01/09/1990 - 1910.1200(h) - Procedures a demolition and salvage constructor could employ in lieu of providing material safety data sheets for specific metals.
19	09/07/1989 - 1910.1200(h) - OSHA's Hazard Communication Standard.
20	09/01/1989 - 1910.1200(h) - Hospital technicians required to attend HCS training and a clarification of coverage of pharmaceuticals under the HCS.
21	06/16/1988 - 1910.1200(h) - HCS training for employees contracted to jobs working under the supervision of another employer.
22	05/11/1988 - 1910.1200(h) - Employers are responsible for training new employees on the HCS
23	05/06/1988 - 1910.1200(h) - Retraining employees who have been previously trained by another employer.
24	04/10/1988 - 1910.1200(h) - The employer must provide the 1910.1200 verbal training in a language that is comprehensible.