# Standard Interpretations
1 - 1910.146 - Definition of Confined Space, as it may apply to large product heating and aging furnaces
2 - 1910.146 - Clarification of OSHA training requirements for basic first aid and cardiopulmonary resuscitation (CPR).
3 - 1910.146 - Controlling Confined Space Hazards in Deep Tanks for Parts Cleaning
4 - 1910.146 - Retrieval Lines Tied to Rescuers Entering a Confined Space
5 - 1910.146 - Applicability of the PRCS standard to aircraft maintenance activities.
6 - 1910.146 - Employer selection of local fire department as its off-site rescue service for compliance with 29 CFR 1910.146(k)(1).
7 - 1910.146 - Determining whether an aircraft fuel tank is considered a confined space.
8 - 1910.146 - Whether reclassification is available for permit-required confined spaces with potentially hazardous atmospheres.
9 - 1910.146 - Use of feasible engineering/work practice controls for exposure to Cr(VI) for welding in confined spaces; housekeeping and disposal of large/bulky waste materials.
10 - 1910.146 - PRCS and LOTO requirements for accumulation of stored energy in steam pits
11 - 1910.146 - Qualifications required under 1910.269 for entry into manholes/vaults to perform work on energized conductors.
12 - 1910.146 - Requirements for developing entry procedures for permit-required confined spaces.
13 - 1910.146 - Construction of aboveground storage tanks and confined space; §§1926.21(b)(6) and 1910.146; General duty clause
14 - 1910.146 - CPR training is a required element in some OSHA general industry standards.
15 - 1910.146 - Evaluation of a box van of a truck carrying hazardous materials meeting the definition of a confined space in a hazardous material release/response situation.
16 - 1910.146 - Questions regarding the Permit-Required Confined Space standard, 1910.146, and the Grain Handling standard, 1910.272.
17 - 1910.146 - Clarification of maintenance vs. construction activities; standards applicable to the removal and replacement of steel tanks and structural steel supports.
18 - 1910.146 - Response to Edison Electric Institute's concerns regarding draft Instruction CPL 2-1.18A, "Enforcement of the Electric Power Generation, Transmission and Distribution Standard."
19 - 1910.146 - Respiratory protection and emergency escape requirements for IDLH atmospheres.
20 - 1910.146 - Applicability of the confined-space standard to dock-leveler pits.
21 - 1910.146 - Fall protection requirements for both residential and commercial HVAC systems; clarification of confined spaces
22 - 1910.146 - OSHA policies concerning employees working at home.
23 - 1910.146 - OSHA policies concerning employees working at home.
24 - 1910.146 - Applicability of 1910.146 to fall hazards into pits.
25 - 1910.146 - Response to fires in permit-required confined spaces (PRCS).
26 - 1910.146 - Permit-Required Confined Spaces
27 - 1910.146 - Permit-Required Confined Spaces Standard.
28 - 1910.146 - Electronic monitoring system for complying with the confined space standard.
29 - 1910.146 - Introduction of electrical welding equipment into a non-permit confined space.
30 - 1910.146 - Hard-line communication equipment for use in the PRCS standard.
31 - 1910.146 - Recording of atmospheric test results.
32 - 1910.146 - A possible conflict between exposure record retention.
33 - 1910.146 - Citations which were issued to Heinz, U.S.A.
34 - 1910.146 - Permit-Required Confined Spaces and Lockout/Tagout.
35 - 1910.146 - Voluntary safety and health audits under the Occupational Safety and Health Act
36 - 1910.146 - Entry into a confined space when the lower flammable limit is greater than ten percent.
37 - 1910.146 - Interpretative guidance and equipment approved for hazardous locations relative to the Permit-Required Confined Spaces standard.
38 - 1910.146 - OSHA's Permit-required Confined Spaces Standard.
39 - 1910.146 - Guidance in determining whether certain spaces would be considered confined spaces.
40 - 1910.146 - Permit-required confined spaces and control of hazardous energy; vehicle LOTO.
41 - 1910.146 - Applying Permit-Required Confined Spaces (PRCS) standard to a workplace that is a multi-family residential commercial building
42 - 1910.146 - Determining whether certain spaces meet the definition of a "confined space" according to the Permit-Required Confined Spaces standard.
43 - 1910.146 - Guidance in determining whether elevator pits meet the definition of confined spaces.
44 - 1910.146 - Determining whether certain spaces routinely would be considered confined spaces by applying the (PRCS) standard's definition.
45 - 1910.146 - Interpretation of 1910.146 regarding permits and multiple sewer entries along a common line.
46 - 1910.146 - When permits are required for entry into a permit required confined space.
47 - 1910.146 - Compliance Policy Concerning 29 CFR 1910.146.
48 - 1910.146 - Interpretation of a lifting device and its ability to act as a rescue retrieval system as it applies to OSHA's permit required confined space entry standard.
49 - 1910.146 - Interpretation of the provision of the Permit Required Confined Spaces Standard
50 - 1910.146 - Use of explosion proof certified equipment inside of pipes and manholes.
51 - 1910.146 - What OSHA safety standards are applicable to underground sewer pipeline inspection camera systems.
52 - 1910.146 - Relationship between training requirements for those who will perform permit space rescue services in accordance with PRCS and the Hazardous Waste and Emergency Response standard.
53 - 1910.146 - The appropriate atmospheric monitoring equipment to the wine making industry for compliance with OSHA standard 1910.146.
54 - 1910.146 - Concern regarding the Hazard Information Bulletin.
55 - 1910.146 - PRCS interpretation concerning a hydropower dam's 22 foot diameter sluice tunnel.
56 - 1910.146 - Review of Manual for training personnel engaged in oil spill emergency response.
57 - 1910.146 - Answers to specific questions concerning the permit-required confined spaces standard
58 - 1910.146 - Application of the confined spaces standard to the elevator industry.
59 - 1910.146 - Reclassification of silver inspection services' tank containers.
60 - 1910.146 - Elevator industry employees working in and around pits and equipment.
61 - 1910.146 - The relationship between the OSHA standards on Permit-Required Confined Space and Pulp, Paper, and Paperboard Mills
62 - 1910.146 - Rescue Equipment Requirements.
63 - 1910.146 - Permit-required confined spaces.
64 - 1910.146 - Permit space entry
65 - 1910.146 - Order of testing for permit spaces.
66 - 1910.146 - Applicability of OSHA's PRCS standard to gas industry.
67 - 1910.146 - Permit-required confined space standard does not apply where DOT/OPS regulations apply to working conditions.
68 - 1910.146 - Permit Required Confined Space Standard as it relates to rescue services.
69 - 1910.146 - Alternative procedures for the non-entry rescue provision.
70 - 1910.146 - Permit-Required Confined Spaces standard.
71 - 1910.146 - Mechanical equipment, such as an unguarded agitator, posing a hazard within a permit space must be locked out or tagged.
72 - 1910.146 - OSHA does not cross reference general industry and construction standards.
73 - 1910.146 - Confined space entry.
74 - 1910.146 - Federal posting requirements applicable to an employer with no more than 10 employees.
75 - 1910.146 - Permit Required Confined Space Standard as it applies to certain operations.
76 - 1910.146 - Permit Required Confined Spaces Standard requires employers to retain canceled entry permits for at least one year.
77 - 1910.146 - Elevator repair and servicing.
78 - 1910.146 - Summit's training program on confined space entry.
79 - 1910.146 - Who is required to wear the body harnesses and retrieval lines.
80 - 1910.146 - Confined space standard for general industry.
81 - 1910.146 - The meaning of the word "entrapment" as in the Permit Required Confined Space (PRCS) standard.
82 - 1910.146 - Confined space standard for general industry.
83 - 1910.146 - Clarification of the definition of a permit-required confined space (permit space).
84 - 1910.146 - Permit-Required Confined Spaces for General Industry.
85 - 1910.146 - Conflict between requirements of 1910.252 and 1910.146
86 - 1910.146 - Work performed in conjunction with insulated enclosures.
87 - 1910.146 - Confined Space provisions of 29 CFR 1910.261 in light of the promulgation of 29 CFR 1910.146
88 - 1910.146 - Permit-Required Confined Space (PRCS).
89 - 1910.146 - Interpretation of coverage for the telecommunications industry with regard to the new Permit-Required Confined Spaces standard.
90 - 1910.146 - Clarification of paragraphs (c)(5) and (c)(7) of the Permit-Required Confined Spaces standard.
91 - 1910.146 - Soil testing for excavations and confined spaces.
92 - 1910.146(a) - Application of the Confined Spaces Advisor to construction; personal fall arrest system requirements.
93 - 1910.146(c)(7) - Permit-Required Confined Spaces: metal container curing ovens.
94 - 1910.146(b) - Permit-Required Confined Spaces: metal container curing ovens.
95 - 1910.146(b) - Explanation from OSHA of the "not designed for continuous human occupancy" component if the definition of the term "confined space".
96 - 1910.146(b) - Guidance in determining whether elevator pits meet the definition of confined spaces.
97 - 1910.146(c)(7) - Guidance in determining whether elevator pits meet the definition of confined spaces.
98 - 1910.146(b) - Applicability of 1910.146 to fall hazards into pits.
99 - 1910.146(b) - A confined space atmosphere above a PEL is not always a "hazardous atmosphere".
100 - 1910.146(b) - PRCS entry: the term "body" includes all extremities.
101 - 1910.146(b) - Applicability of the confined-space standard to dock-leveler pits.
102 - 1910.146(c)(7) - Applicability of the confined-space standard to dock-leveler pits.
103 - 1910.146(c)(7)(i) - Applicability of the confined-space standard to dock-leveler pits.
104 - 1910.146(c)(7)(ii) - Applicability of the confined-space standard to dock-leveler pits.
105 - 1910.146(c)(7)(iii) - Applicability of the confined-space standard to dock-leveler pits.
106 - 1910.146(c)(7)(iv) - Applicability of the confined-space standard to dock-leveler pits.
107 - 1910.146(b) - Clarification of "potential atmospheric hazard" when reclassifying a PRCS as a non-permit required confined space.
108 - 1910.146(c)(7) - Clarification of "potential atmospheric hazard" when reclassifying a PRCS as a non-permit required confined space.
109 - 1910.146(c)(7)(i) - Clarification of "potential atmospheric hazard" when reclassifying a PRCS as a non-permit required confined space.
110 - 1910.146(b) - Permit-Required Confined Space Entry Requirements For IDLH and Non-IDLH Spaces
111 - 1910.146(k)(1)(i) - Permit-Required Confined Space Entry Requirements For IDLH and Non-IDLH Spaces
112 - 1910.146(b) - Permit Required Confined Space Isolation
113 - 1910.146(c) - Confined spaces: use of rescue-type SCBAs; maintenance vs. construction
114 - 1910.146(d) - Confined spaces: use of rescue-type SCBAs; maintenance vs. construction
115 - 1910.146(c) - Confined space requirements for a testing chamber with/without limited access.
116 - 1910.146(c)(5) - Confined space requirements for a testing chamber with/without limited access.
117 - 1910.146(c)(1) - Elevator industry employees working in and around pits and equipment.
118 - 1910.146(c)(7) - Elevator industry employees working in and around pits and equipment.
119 - 1910.146(c)(8) - Elevator industry employees working in and around pits and equipment.
120 - 1910.146(c)(8)(i) - Elevator industry employees working in and around pits and equipment.
121 - 1910.146(c)(8)(ii) - Elevator industry employees working in and around pits and equipment.
122 - 1910.146(c)(8)(iii) - Elevator industry employees working in and around pits and equipment.
123 - 1910.146(c)(8)(iv) - Elevator industry employees working in and around pits and equipment.
124 - 1910.146(c)(8)(v) - Elevator industry employees working in and around pits and equipment.
125 - 1910.146(c)(9) - Elevator industry employees working in and around pits and equipment.
126 - 1910.146(d) - Elevator industry employees working in and around pits and equipment.
127 - 1910.146(d)(11) - Elevator industry employees working in and around pits and equipment.
128 - 1910.146(c)(1) - A chest freezer is not considered a PRCS.
129 - 1910.146(c)(2) - OSHA's policy concerning repeat violations and requirements for PRCS sign posting.
130 - 1910.146(c)(2) - Requirements for posting signs for PRCSs.
131 - 1910.146(c)(2) - Questions regarding the Permit-Required Confined Space standard, 1910.146, and the Grain Handling standard, 1910.272.
132 - 1910.146(c)(2) - Requirements for developing entry procedures for permit-required confined spaces.
133 - 1910.146(c)(3) - Requirements for developing entry procedures for permit-required confined spaces.
134 - 1910.146(c)(8) - Requirements for developing entry procedures for permit-required confined spaces.
135 - 1910.146(d)(3) - Requirements for developing entry procedures for permit-required confined spaces.
136 - 1910.146(c)(2) - Federal posting requirements.
137 - 1910.146(e)(3) - Federal posting requirements.
138 - 1910.146(c)(4) - Applicability of the PRCS standard to aircraft maintenance activities.
139 - 1910.146(c)(9) - Applicability of the PRCS standard to aircraft maintenance activities.
140 - 1910.146(d) - Applicability of the PRCS standard to aircraft maintenance activities.
141 - 1910.146(d)(5) - Applicability of the PRCS standard to aircraft maintenance activities.
142 - 1910.146(c)(4) - Whether written programs may be kept solely in an electronic format.
143 - 1910.146(c)(5) - Requirements for PRCS attendants; Fall arrest system anchorage point
144 - 1910.146(c)(7) - Requirements for PRCS attendants; Fall arrest system anchorage point
145 - 1910.146(i) - Requirements for PRCS attendants; Fall arrest system anchorage point
146 - 1910.146(c)(5) - Construction of aboveground storage tanks and confined space; §§1926.21(b)(6) and 1910.146; General duty clause
147 - 1910.146(c)(5) - Centralized Monitoring for Permit-Required Confined Spaces
148 - 1910.146(d) - Centralized Monitoring for Permit-Required Confined Spaces
149 - 1910.146(i) - Centralized Monitoring for Permit-Required Confined Spaces
150 - 1910.146(c)(5)(i) - Clarification of "continuous forced air ventilation" for PRCS entry work.
151 - 1910.146(c)(5)(ii)(E) - Clarification of "continuous forced air ventilation" for PRCS entry work.
152 - 1910.146(c)(7) - Whether reclassification is available for permit-required confined spaces with potentially hazardous atmospheres.
153 - 1910.146(d)(3) - Whether reclassification is available for permit-required confined spaces with potentially hazardous atmospheres.
154 - 1910.146(d)(5)(ii) - Atmospheric Testing required for confined space entry.
155 - 1910.146(d)(5)(iii) - Atmospheric Testing required for confined space entry.
156 - 1910.146(k) - An attendant may participate in non-entry confined space rescue under certain conditions.
157 - 1910.146(i) - An attendant may participate in non-entry confined space rescue under certain conditions.
158 - 1910.146(i) - Respiratory protection and emergency escape requirements for IDLH atmospheres.
159 - 1910.146(k)(1) - Respiratory protection and emergency escape requirements for IDLH atmospheres.
160 - 1910.146(k)(1) - Employer selection of local fire department as its off-site rescue service for compliance with 29 CFR 1910.146(k)(1).
161 - 1910.146(k)(2)(iii) - OSHA Instruction CPL 2-2.53, Guidelines for First Aid Training Programs.
162 - 1910.146(k)(2)(iii) - Automated External Defibrillator training is not specifically required by the Permit-Required Confined Space standard; AEDs are not required first aid supplies.
163 - 1910.146(k)(3) - Permit-Required Confined Space Rescue Retrieval Lines
164 - 1910.146(k)(3)(i) - Permit-Required Confined Space Rescue Retrieval Lines
165 - 1910.146(k)(3)(ii) - Permit-Required Confined Space Rescue Retrieval Lines