#	Letters of Interpretation
1	11/09/2022 - 1910.1200(f)(1) - Transmitting bulk shipment labels by technological or other means
2	10/04/2021 - 1910.1200(f)(1) - Single HCS Compliant Shipping Label that includes DOT and/or State Requirements
3	03/31/2021 - 1910.1200(f)(1) - HCS compliant labeling of outer and inner packaging
4	07/25/2019 - 1910.1200(f)(1)(iv) - HCS Labeling Requirements for Bulk Shipments of Small Packages
5	07/25/2019 - 1910.1200(f)(1)(iii) - HCS Labeling Requirements for Bulk Shipments of Small Packages
6	07/25/2019 - 1910.1200(f)(1)(ii) - HCS Labeling Requirements for Bulk Shipments of Small Packages
7	03/23/2017 - 1910.1200(f)(1) - Safety Data Sheets for grinding wheels and abrasives
8	07/25/2019 - 1910.1200(f)(1)(i) - HCS Labeling Requirements for Bulk Shipments of Small Packages
9	12/03/2018 - 1910.1200(f)(1) - HCS Labeling requirements regarding intra-plant and intercompany shipping
10	06/12/2018 - 1910.1200(f)(1) - HCS pictogram labeling of DOT-39 Non-Refillable Cylinders
11	07/24/2017 - 1910.1200(f)(1) - Listing and disclosing Benzene as a human carcinogen on the label and SDS
12	05/09/2017 - 1910.1200(f)(1) - Separate SDSs and labels for dual components
13	05/05/2017 - 1910.1200(f)(1) - Labeling outer containers of chemical cleaning products while in storage.
14	03/23/2017 - 1910.1200(f)(1) - Labeling small containers
15	08/22/2016 - 1910.1200(f)(1) - HCS 2012 labeling of refrigerant containers
16	08/03/2016 - 1910.1200(f)(1) - Labeling refrigerant cylinders
17	07/20/2016 - 1910.1200(f)(1) - Container labeling requirements for importer under HCS 2012
18	06/10/2016 - 1910.1200(f)(1)(v) - Requirements for labeling of products shipped for export to domestic and international destinations, under the revised Hazard Communication Standard (HCS 2012)
19	06/10/2016 - 1910.1200(f)(1)(iv) - Requirements for labeling of products shipped for export to domestic and international destinations, under the revised Hazard Communication Standard (HCS 2012)
20	06/10/2016 - 1910.1200(f)(1)(iii) - Requirements for labeling of products shipped for export to domestic and international destinations, under the revised Hazard Communication Standard (HCS 2012)
21	06/10/2016 - 1910.1200(f)(1)(ii) - Requirements for labeling of products shipped for export to domestic and international destinations, under the revised Hazard Communication Standard (HCS 2012)
22	06/10/2016 - 1910.1200(f)(1)(vi) - Requirements for labeling of products shipped for export to domestic and international destinations, under the revised Hazard Communication Standard (HCS 2012)
23	06/10/2016 - 1910.1200(f)(1)(i) - Requirements for labeling of products shipped for export to domestic and international destinations, under the revised Hazard Communication Standard (HCS 2012)
24	02/25/2016 - 1910.1200(f)(1) - Safety data sheets for custom blend fertilizers
25	12/14/2015 - 1910.1200(f)(1)(vi) - Labeling requirements for absorbent clay products in various packaging configurations
26	12/14/2015 - 1910.1200(f)(1)(v) - Labeling requirements for absorbent clay products in various packaging configurations
27	12/14/2015 - 1910.1200(f)(1)(iv) - Labeling requirements for absorbent clay products in various packaging configurations
28	12/14/2015 - 1910.1200(f)(1)(iii) - Labeling requirements for absorbent clay products in various packaging configurations
29	12/14/2015 - 1910.1200(f)(1)(ii) - Labeling requirements for absorbent clay products in various packaging configurations
30	12/14/2015 - 1910.1200(f)(1)(i) - Labeling requirements for absorbent clay products in various packaging configurations
31	11/23/2015 - 1910.1200(f)(1) - Requirements for labeling of products shipped for export only to non-U.S. destinations, under the revised Hazard Communication Standard (HCS 2012)
32	09/10/2015 - 1910.1200(f)(1) - HCS labeling of imports and exports
33	07/02/2015 - 1910.1200(f)(1)(iv) - HCS 2012 pictograms for aerosol air fresheners
34	02/10/2015 - 1910.1200(f)(1) - Use of multiple countries' information on labels of hazardous chemicals
35	07/02/2015 - 1910.1200(f)(1)(iv) - Label requirements between CPSC and HCS 2012 and aerosol products
36	06/19/2015 - 1910.1200(f)(1) - Correct use of product identifiers on safety data sheets and labels
37	02/10/2015 - 1910.1200(f)(1) - Practical accommodation for the labeling of small packages under the Hazard Communication Standard (HCS)
38	12/23/2014 - 1910.1200(f)(1)(iv) - Acceptable use of pictograms on chemical labels under the revised Hazard Communication standard
39	12/23/2014 - 1910.1200(f)(1), 1910.1200(f)(1)(iv) - Acceptable use of pictograms on chemical labels under the revised Hazard Communication standard
40	11/27/2014 - 1910.1200(f)(1) - What is the correct grouping/placement of the six required elements for labels
41	04/15/2014 - 1910.1200(f)(1)(v) - Acute Toxicity classification under hazard communication
42	09/20/2013 - 1910.1200(f)(1) - Labels on ampoules 5mL or smaller
43	09/11/2013 - 1910.1200(f)(1) - Practical accommodation for hazard communication labels on small shipped chemical containers
44	03/22/2013 - 1910.1200(f)(1)(vi) - Manufacturer's name and address on the label of a chemical product under HCS 2012
45	03/22/2013 - 1910.1200(f)(1), 1910.1200(f)(1)(vi) - Manufacturer's name and address on the label of a chemical product under HCS 2012
46	12/22/2008 - 1910.1200(f)(1)(i) - Requirements for labeling products that contain a nitrate or nitrite.
47	01/19/2000 - 1910.1200(f)(1)(iii) - Responsible party for MSDSs and labelling of imported chemicals.
48	05/28/1999 - 1910.1200(f)(1) - Applicability of the Laboratory Standard; MSDS and labeling requirements.
49	01/13/1986 - 1910.1200(f)(1) - Maintaining MSDSs on a computer data base.
50	01/03/1986 - 1910.1200(f)(1) - Conformation of labeling requirements of the Hazard Communication Standard