Form · FRM-28
Quality Control Chart Log
Check-standard results plotted against warning and action limits, with trend review.
Purpose
The record for a check standard control chart: the QC plan for the chart (what, how, when, limits, who), the tabulated results, the plotted chart (attached or in the validated workbook) and the monthly reviews, per SOP-17 section 6.3.
What it covers
- Results
- Reviews
How to complete it
- 1.Complete the plan header once per check standard and point; re-establish limits after 15 points or after a change of reference.
- 2.Enter each result at the time of measurement, with the chart rule check; plot on the chart (attach printout from the validated workbook or the paper chart).
- 3.Apply the rules: 1 point beyond 3 s; 2 of 3 beyond 2 s same side; 7 consecutive same side or trending. On breach, stop, repeat, report (SOP-17 section 6.4).
- 4.Record the monthly review by the discipline lead and the quarterly review by the Technical Manager.
Before you use it
- Replace every square-bracket token, starting with [LABORATORY NAME], [ADDRESS] and [EFFECTIVE DATE]. The full token list is in GD-01 Read Me First.
- Have the content technically reviewed against how your laboratory actually works, then approved by the responsible manager before it becomes a controlled document.
- Update the Word fields after editing so the table of contents and page numbers are correct: select all, then press F9.
- Record the document in your own document register and set its review date.
Related documents
- QM-01
Quality Manual
Top-level description of the management system against every clause of ISO/IEC 17025:2017.
- SOP-17
Ensuring the Validity of Results
Quality control, control charts, intermediate checks, proficiency testing and interlaboratory comparison programme.
- SOP-30
Intermediate Checks of Reference Standards and Equipment
Checks between calibrations that maintain confidence in the calibration status of reference standards.
- CHK-01
ISO/IEC 17025:2017 Gap Analysis and Self-Assessment
Clause-by-clause self-assessment with evidence, gap and action columns.
- FRM-01
Master Document Register
Register of every controlled internal and external document with revision, status and distribution.
- FRM-02
Document Change Request
Request, impact assessment and approval of a change to a controlled document.
- FRM-03
Records Retention Schedule and Disposal Log
Retention periods by record type and a log of authorised disposals.
- FRM-04
Internal Audit Programme and Audit Plan
Annual audit programme covering every clause and activity, plus the plan for a single audit.