StacksVerified U.S. regulatory reference

40 CFR Figure E-1 to Subpart E of Part 53

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov

__________ __________ __________

Auditee Auditor signature Date

Compliance Status: Y = Yes N = No NA = Not applicable/Not availableVerification Comments (Includes documentation of who, what, where, when, why) (Doc. #, Rev. #, Rev. Date)
VerificationVerified by Direct Observation of Process or of Documented Evidence: Performance, Design or Application Spec. Corresponding to Sections of 40 CFR Part 53 or 40 CFR Part 50, Appendix L
YN | NA
| | Performance Specification Tests |
| | Sample flow rate coefficient of variation (§ 53.53) (L-7.4.3) |
| | Filter temperature control (sampling) (§ 53.57) (L-7.4.10) |
| | Elapsed sample time accuracy (§ 53.54) (L-7.4.13) |
| | Filter temperature control (post sampling) (§ 53.57) (L-7.4.10) |
| | Application Specification Tests |
| | Field Precision (§ 53.58) (L-5.1) |
| | Meets all Appendix L requirements (part 53, subpart A, § 53.2(a)(3)) (part 53, subpart E, § 53.51(a),(d)) |
| | Filter Weighing (L-8) |
| | Field Sampling Procedure (§ 53.30, .31, .34) |
| | Design Specification Tests |
| | Filter (L-6) |
| | Range of Operational Conditions (L-7.4.7) |

The Following Requirements Apply Only to Class I Candidate Equivalent Methods

| | | Aerosol Transport (§ 53.59) |