The storage of flammable and/or combustible materials in fiberglass reinforced plastic.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

September 9, 1991

Mr. Glen B. White
Scientific Information Services
4820 Highway, 377 South
Post Office Box 122075
Fort Worth, Texas 76116

Dear Mr. White:

This is in further response to your letter of July 20, concerning the storage of flammable and/or combustible materials in fiberglass reinforced plastic (FRP) tanks.

Determination as to whether ConVault aboveground tanks are required to be diked to comply with the 1910.106(b)(2)(vii) standard on storage of flammable liquids.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

July 30, 1991

Mr. Ken Cooper
Regional Safety Manager
United States Department of
the Interior Fish and Wildlife Service
75 Spring Street, S.W.
Atlanta, Georgia 30303

Dear Mr. Cooper:

Thank you for your letter of June 27, requesting determination as to whether ConVault aboveground tanks are required to be diked to comply with the 29 CFR 1910.106(b)(2)(vii) standard on storage of flammable liquids. Also, you asked whether ConVault tank systems have a variance from the diking requirement.

Storage of flammable liquids and corrosives in the same cabinet.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

Ms. Terry Cantu
PO Box 4000
Three Rivers, TX 78071

Dear Ms. Cantu:

Thank you for your March 14, 2001 letter to the Occupational Safety and Health Administration's (OSHA's) Directorate of Compliance Programs (DCP). Please be aware that this response may not be applicable to any question not delineated within your original correspondence. You had a specific question regarding the storage of flammable and corrosive substances.

Question: Can I store flammable and corrosive chemicals in the same storage cabinet?

Stored combustible liquids and heating to their flashpoints

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

September 14, 1984

Colonel Charles St. Arnaud
Quartermaster Corps Commanding
Department of the Army
Sharpe Army Depot
Lathrop, CA 95331

Attn: Bruce Hansen

Dear Bruce:

As I described to you on the phone, the fire protection technical experts researched the intent of the OSHA standard dealing with stored combustible liquids, their respective flashpoints, and the precautions required if heat caused them to be heated to within 30oF of the flashpoint.

Interpretations of the terms "large quantity" and "transfer".

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

March 31, 1983

The use of fiberglass tanks for storage of crude oil.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

October 2, 1978

The British Standard material valves compliance with Occupational Safety and Health Administration standards.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

August 17, 1978

Mr. D. L. Costagliola
Project Manager
Stone & Webster
Engineering Corporation
One Penn Plaza 250 West 34th Street
New York, NY 10001

Dear Mr. Costagliola:

This letter is in response to your letter dated June 27, 1978, concerning the British Standard material valves compliance with Occupational Safety and Health Administration standards. We were pleased to meet with you and your colleagues in my office on July 19, 1978, and thank you for the requested information accompanying your letter of August 4, 1978.

Interpretation of the term "bulk plant" as it is used in 1910.106.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

August 4, 1978

Mr. E. M. Wilson, Jr.
Union 76 Division:
Eastern Region Union Oil Company
of California
2060 Stonington Avenue
Hoffman Estates, Illinois 60195

Dear Mr. Wilson:

This is in response to your request for an interpretation of the term "bulk plant" as it is used in 1910.106(d)(1)(ii).

Clarification of standard 29 CFR 1910.106(b)(4)(iv)(e).

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

July 19, 1978

Mr. Thomas J. Boyd
Plant Manager
Hatco Polyester Division
W.R. Grace & Co.
1605 West Elizabeth Avenue
Linden, NJ 07036

Dear Mr. Boyd:

This is in response to your letter dated May 4, 1978, to Mr. Donald A. Shay regarding the clarification of our standard 29 CFR 1910.106(b)(4)(iv)(e). This also confirms several telephone conversations on the subject matter with Mr. Peter Wasko, a member of our staff.

The modification of a refrigerator of freezer chest to store flammable liquids.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

April 19, 1978

Mr. J. J. Kendallv Section Manager
Corporate Safety Department 108G
The Goodyear Tire & Rubber Company
Akron, Ohio 44316

Dear Mr. Kendall:

This is in response to your letter dated March 24, 1978, regarding the modification of a refrigerator or freezer chest to store flammable liquids.