Standard Interpretations - (Archived) Table of Contents|
| Standard Number:||1910.119|
November 18, 1993
Mr. Thomas J. Lukish, Director
Occupational Safety & Health Services
P.O. Box 2218
Richmond, Virginia 23217
Dear Mr. Lukish,
This is in response to your September 22 letter, requesting interpretation of the Process Safety Management (PSM) of Highly Hazardous Chemicals standard, 29 CFR 1910.119. Specifically you asked whether a threshold or greater quantity of methanol stored in an atmospheric tank and connected through a water dilution mixer by piping to a chlorine dioxide bleach liquor making process is covered by the PSM standard.
The storage of 10,000 pounds (4535.9 kg) or more of methanol, a flammable liquid, in the tank which is connected through a water dilution mixer by piping to a chlorine dioxide bleach liquor making process, as described in the enclosure to your letter, is covered by the PSM standard.
As discussed in your November 5 telecon with Mr. Rolland Stroup of my staff, additional PSM letters of interpretation issued by the Occupational Safety and Health Administration concerning the storage of flammable liquids in atmospheric tanks are enclosed for your use. Thank you for your interest in occupational safety and health. If we may be of further assistance, please contact us.
Roger A. Clark, Director
Directorate of Compliance Programs
|Standard Interpretations - (Archived) Table of Contents|
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