| # | Letters of Interpretation |
|---|---|
| 1 | - 1910.106(a)(19) - The definitions of combustible and flammable liquids under 29 CFR 1926 and 29 CFR 1910. |
| 2 | - 1910.106(a)(19) - Pressure vessels used at oil and gas extraction/production facilities and applicability of 29 CFR 1910.106 |
| 3 | - 1910.106(a)(19) - Spray booth requirements including automatic sprinkler systems, relationship to NFPA 33 requirements, and paint storage. |