# Calibration

**Citation:** 220 CMR 101.11  
**Type / status:** regulation / current  
**Agency:** Massachusetts Department of Public Utilities  
**Effective:** 2024-10-11  
**Published:** 2024-10-11

(1) Each operator shall ensure the periodic inspection and calibration of all equipment used in construction, operations, and maintenance activities where improper calibration or failure to inspect could impact the equipment's performance. Equipment calibrations shall be in accordance with the frequ

## Document text

(1) Each operator shall ensure the periodic inspection and calibration of all equipment used in construction, operations, and maintenance activities where improper calibration or failure to inspect could impact the equipment's performance. Equipment calibrations shall be in accordance with the frequencies defined in the manufacturer's procedures and specifications.

(2) Each operator shall have the means to verify date of calibration and expiration date of all such equipment covered under 220 CMR 101.11(1) in the field upon the request of the Department.

(3) Calibration procedures shall be included in the Operating and Maintenance manual and readily available in the field or at the work location.

## Provenance

- Official: Yes
- Source: <https://www.mass.gov/doc/220-cmr-10100-1/download>
- Source ID: `ma-dpu-cmr`
- SHA-256: `7ce48048f815080e6e2c0abed19e4d7af6c78831eabb94881096647c66162c6d`
- Retrieved: 2026-08-12T05:00:35.559Z
- Exported: 2026-08-24T02:09:25.279Z
- Document slug: `ma-cmr-220-101-11`

### Source metadata

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{
  "jurisdiction": "US-MA",
  "titleNumber": 220,
  "part": "101.00",
  "section": "101.11",
  "pipelineScope": "massachusetts-intrastate-natural-gas-pipeline-safety",
  "effectiveOn": "2024-10-11",
  "adoptedOn": "2024-09-26",
  "adoptionDocket": "D.P.U. 22-100",
  "registerNumber": 1532,
  "statutoryAuthority": "M.G.L. c. 164, §§ 66, 76, 76C, 105A, and 116B",
  "incorporatedFederalStandards": [
    "49 CFR Part 40",
    "49 CFR Part 192",
    "49 CFR Part 199"
  ],
  "references": [
    {
      "citation": "220 CMR 101.11",
      "referenceType": "massachusetts-regulation",
      "url": "https://www.mass.gov/info-details/220-cmr-department-of-public-utilities"
    }
  ],
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  "pdfArtifactSha256": null,
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  "applicabilityCaveat": "Applicability depends on Massachusetts intrastate jurisdiction, operator and facility status, the definitions and exceptions in 220 CMR 101.00, incorporated federal standards, Department waivers or orders, and section-specific transition periods. The Massachusetts Pipeline Safety Division does not regulate interstate pipelines or hazardous-material transportation by pipeline.",
  "publicationCaveat": "Mass.gov states that posted DPU regulations are informational copies rather than the legally official CMR edition. The official CMR is available through the Massachusetts State Bookstore; verify the official edition before legal reliance.",
  "rights": "Preserve Commonwealth provenance and source links. Public availability does not grant rights in seals, marks, third-party standards, or incorporated material; redistribution requires rights review.",
  "rightsReviewRequired": true,
  "region": "MA"
}
```