# Standard Interpretations
1 - 1910.146(c)(5) - Centralized Monitoring for Permit-Required Confined Spaces
2 - 1910.146(c)(9) - Applicability of the PRCS standard to aircraft maintenance activities.
3 - 1910.146(c)(4) - Applicability of the PRCS standard to aircraft maintenance activities.
4 - 1910.146(c)(4) - Whether written programs may be kept solely in an electronic format.
5 - 1910.146(c)(7) - Whether reclassification is available for permit-required confined spaces with potentially hazardous atmospheres.
6 - 1910.146(c)(3) - Requirements for developing entry procedures for permit-required confined spaces.
7 - 1910.146(c)(8) - Requirements for developing entry procedures for permit-required confined spaces.
8 - 1910.146(c)(2) - Requirements for developing entry procedures for permit-required confined spaces.
9 - 1910.146(c)(5) - Construction of aboveground storage tanks and confined space; §§1926.21(b)(6) and 1910.146; General duty clause
10 - 1910.146(c)(7)(i) - Clarification of "potential atmospheric hazard" when reclassifying a PRCS as a non-permit required confined space.
11 - 1910.146(c)(7) - Clarification of "potential atmospheric hazard" when reclassifying a PRCS as a non-permit required confined space.
12 - 1910.146(c)(5)(ii)(E) - Clarification of "continuous forced air ventilation" for PRCS entry work.
13 - 1910.146(c)(5)(i) - Clarification of "continuous forced air ventilation" for PRCS entry work.
14 - 1910.146(c)(2) - Questions regarding the Permit-Required Confined Space standard, 1910.146, and the Grain Handling standard, 1910.272.
15 - 1910.146(c)(7)(iv) - Applicability of the confined-space standard to dock-leveler pits.
16 - 1910.146(c)(7)(iii) - Applicability of the confined-space standard to dock-leveler pits.
17 - 1910.146(c)(7)(ii) - Applicability of the confined-space standard to dock-leveler pits.
18 - 1910.146(c)(7)(i) - Applicability of the confined-space standard to dock-leveler pits.
19 - 1910.146(c)(7) - Applicability of the confined-space standard to dock-leveler pits.
20 - 1910.146(c)(5) - Confined space requirements for a testing chamber with/without limited access.
21 - 1910.146(c), 1910.146(c)(5) - Confined space requirements for a testing chamber with/without limited access.
22 - 1910.146(c)(2) - Requirements for posting signs for PRCSs.
23 - 1910.146(c)(1) - A chest freezer is not considered a PRCS.
24 - 1910.146(c)(2) - OSHA's policy concerning repeat violations and requirements for PRCS sign posting.
25 - 1910.146(c) - Confined spaces: use of rescue-type SCBAs; maintenance vs. construction
26 - 1910.146(c)(7) - Guidance in determining whether elevator pits meet the definition of confined spaces.
27 - 1910.146(c)(7) - Requirements for PRCS attendants; Fall arrest system anchorage point
28 - 1910.146(c)(5) - Requirements for PRCS attendants; Fall arrest system anchorage point
29 - 1910.146(c)(9) - Elevator industry employees working in and around pits and equipment.
30 - 1910.146(c)(8)(v) - Elevator industry employees working in and around pits and equipment.
31 - 1910.146(c)(8)(iv) - Elevator industry employees working in and around pits and equipment.
32 - 1910.146(c)(8)(iii) - Elevator industry employees working in and around pits and equipment.
33 - 1910.146(c)(8)(ii) - Elevator industry employees working in and around pits and equipment.
34 - 1910.146(c)(8)(i) - Elevator industry employees working in and around pits and equipment.
35 - 1910.146(c)(8) - Elevator industry employees working in and around pits and equipment.
36 - 1910.146(c)(7) - Elevator industry employees working in and around pits and equipment.
37 - 1910.146(c)(1) - Elevator industry employees working in and around pits and equipment.
38 - 1910.146(c)(7) - Permit-Required Confined Spaces: metal container curing ovens.