FDA-Inspected Site

Signature Wafers, LLC

8 FDA inspections are on record for Signature Wafers, LLC in Ripon, United States.

483· Form 483 issued

Ripon, United States · Last updated July 10, 2026

Overview

  • 8 FDA inspections are on record.
  • 1 inspection produced a Form 483.
  • The most recent recorded inspection date is 2025-10-06.

At a glance

Inspections

8

Form 483s

1

EIRs

0

Last outcome

Form 483

Inspection history

FDA inspections on record, most recent first.

InspectionCategoryOutcomeForm 483
10 Sep 2025 – 6 Oct 2025Foods & Cosmetics483View 483 →
17 Mar 2021Foods & CosmeticsClean
7 Nov 2017 – 27 Mar 2018Foods & CosmeticsClean
6 Mar 2015Foods & CosmeticsClean
14 Mar 2012Not recordedClean
15 Sep 2010Not recordedClean
26 Mar 2009Not recordedClean
7 Feb 2008Not recordedClean

Observations on record

Form 483 observations cited at this site, most recent first.

6 Oct 2025
21 CFR 117.130(a)(1)

Hazard analysis - Identification of hazard

Cited by Rebecca L Mullikin, Jamie R Thompson, Sarah A Palmer, Melissa J Holz

6 Oct 2025
21 CFR 117.135(a)(1)

Allergen preventive controls - Implement

Cited by Rebecca L Mullikin, Jamie R Thompson, Sarah A Palmer, Melissa J Holz

6 Oct 2025
21 CFR 117.135(a)(1)

Process preventive controls - Implement

Cited by Rebecca L Mullikin, Jamie R Thompson, Sarah A Palmer, Melissa J Holz

6 Oct 2025
21 CFR 117.135(a)(1)

Sanitation preventive controls - Identify (Written)

Cited by Rebecca L Mullikin, Jamie R Thompson, Sarah A Palmer, Melissa J Holz

6 Oct 2025
21 CFR 117.165(a)(4)

Process preventive controls - Record review

Cited by Rebecca L Mullikin, Jamie R Thompson, Sarah A Palmer, Melissa J Holz

Investigators

FDA investigators tied to this site in the record.

Recurring citations

CFR citation patterns observed across this site's inspections.

CitationWhat it coversCited
21 CFR 117.135(a)(1)Cited across public-safe Form 483 observations3x
21 CFR 117.130(a)(1)Cited across public-safe Form 483 observations1x
21 CFR 117.165(a)(4)Cited across public-safe Form 483 observations1x
21 CFR 117.405(a)(1)Cited across public-safe Form 483 observations1x

Full site report

Get the verbatim findings behind Signature Wafers, LLC's 1 Form 483

Recurring CFR citations, so your team knows what this site gets cited for.

  • The site's full inspection history, with every Form 483 and its outcome
  • Warning letters and recalls tied to the company behind it
  • Whether recurring CFR citations get closed out or repeat