ESD Control Program Checklist S20.20 (Free)

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7 critical items still open - these are the highest-risk gaps.

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Program plan and administration

A written ESD control program plan exists and is currentCRITICALAn ESD coordinator is named with defined responsibilitiesCRITICALThe most sensitive device level handled (HBM and CDM) is identifiedThe plan references the standard revision the site works toInternal audits are scheduled and records are keptCorrective actions from audits are tracked to closureAny tailoring of requirements is documented and justified

Training

All staff in protected areas have initial ESD training before entryCRITICALRefresher training is performed at the defined intervalTraining records are kept and accessibleVisitors and maintenance staff are briefed or escortedContractors and cleaning crews follow the same rules

Grounding and personnel

Wrist straps are tested at the defined frequency and results loggedCRITICALContinuous monitors, where used, are functioning and alarms are acted onFootwear and flooring systems are tested together where used for groundingOperators wear ESD garments where the plan requires themCommon point ground connections are secure and labeledGround cords and wrist strap cords are inspected for damageWork surface ground connections are verified

Protected area and equipment

ESD protected areas are marked and have a boundary signageWork surfaces meet the resistance limits in the plan and are tested periodicallyCRITICALInsulators such as plastic cups and tape are removed or controlled in the areaCRITICALIonizers are present where insulators cannot be removed and are verifiedSoldering irons and tools are groundedTest equipment and fixtures are verified for ESD safetyChairs, carts and shelving in the area are rated and grounded as neededMeasurement equipment is calibrated and records are kept

Packaging and transport

ESD sensitive items are packaged in approved materials outside the protected areaCRITICALPackages carry ESD caution labelsMoisture barrier bags used for MSDs are ESD compliantMaterial handling carts are tested and kept in specificationIncoming receiving procedures check packaging integrityReturned and rejected product is packaged under the same controls

Score equals the share of items answered Yes. Critical items marked No should be corrected before ESD-sensitive product is handled in that area.

Track ESD checks and training in one place

An optional review of how calibration and training records can drive audit-ready reports.

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How to use this checklist

Run it per production area, not once for the plant. Walk each protected area with the program plan open, observe behavior and test equipment, and answer Yes or No. Mark failures with the area name in your notes and export the result to PDF for the audit file. Re-run after any layout or equipment change.

What S20.20 expects

The standard asks the organization to document a program plan, train people, and implement controls proportional to the sensitivity of the devices handled. The plan covers grounding of people and conductors, handling of insulators, packaging and marking. The standard also expects periodic verification, such as wrist strap checks and surface resistance tests, with records. Certification to S20.20 is a third-party process, and this checklist is for internal readiness.

Grounding people and conductive items is the first line of control
Insulators cannot be grounded, so remove them or use ionization
Compliance verification needs calibrated instruments

Reading the result

Treat any critical No as a stop-and-fix. A missing program plan or untested wrist straps undermine every other control. Many plants find a pattern: the physical controls are fine but verification records and training refreshers lag. Fix the record-keeping first, since customers and auditors judge the program through its records.

Common mistakes

Common failures include plastic cups and paperwork on benches, worn ground cords, wrist strap testers that are not calibrated, and carts that are never tested. Another is treating packaging as an afterthought once product leaves the protected area, when most field damage happens in transit and storage.

Frequently Asked Questions

Is this checklist enough for S20.20 certification?

No. It supports internal audits and readiness. Certification is granted by an accredited third party against the full standard, which you must purchase. Use this to find gaps before that audit.

How often should wrist straps be tested?

Your program plan sets the frequency based on risk. Daily testing at the station is common in electronics assembly, and continuous monitors are used where product is very sensitive. Follow the interval written in your plan and keep logs.

What does HBM and CDM mean?

HBM is the human body model and CDM is the charged device model. They are test models that describe how sensitive a device is to electrostatic discharge, and they help you choose the controls the program needs.

Do defense customers require S20.20?

Many require an ESD program to S20.20 or an equivalent in their quality clauses. The exact requirement is in your contract flow-downs, so check it and keep evidence available for customer audits.

Netray can connect your calibration and training records in the ERP to an audit view so expired wrist strap checks and lapsed training are flagged early.

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ESD Control Program Audit Checklist (ANSI/ESD S20.20)