Prop 65 Notices

Prop 65 notice 2020-01268: Costco Wholesale Corp.

Environmental Health Advocates, Inc. filed this California Prop 65 60-day notice on May 22, 2020. It names Costco Wholesale Corp. and Amazon.com and alleges exposure to Cadmium and Lead from Kirkland Signature Seaweed.

The violations below are alleged in a 60-day notice. They are not proven. A 60-day notice is not a lawsuit and not a finding of liability.

AG number
2020-01268
Date filed
Noticing party
Plaintiff attorney
Jake Schulte
Alleged violators
Chemicals
Source or product
Kirkland Signature Seaweed
Official notice
Notice PDF at oag.ca.gov
Official record
Attorney General record for 2020-01268
Last checked
November 11, 2026

What happened after this notice

Outcomes for this notice have not been checked yet. A settlement is not an admission and not a finding that anyone broke the law.

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Other notices naming Costco Wholesale Corp.

  • Costco Wholesale Corp.: Lead and lead compounds in Kirkland Signature Balsamic Vinegar of Modena - Aged (1L)
    Notice 2020-00889, filed 2020-04-03 by Key Sciences
  • Costco Wholesale Corp.: Acrylamide in Kirkland Signature Super Extra-Large Peanuts - Roasted & Salted
    Notice 2020-00369, filed 2020-02-14 by Key Sciences
  • Costco Wholesale Corp.: Mercury and mercury compounds in KIRKLAND SIGNATURE WHOLE FANCY CASHEWS
    Notice 2020-00283, filed 2020-02-07 by Key Sciences

Recent notices filed by Environmental Health Advocates, Inc.

  • Impact Brands LLC and 2 more: Lead in Liver Cleanse Detox & Repair Supplements
    Notice 2026-05236, filed 2026-11-06 by Environmental Health Advocates, Inc.
  • Primal Nutrition, LLC and 3 more: Fumonisin B1 in Primal Kitchen No Dairy Sundried Tomato Pasta Sauce
    Notice 2026-05235, filed 2026-11-06 by Environmental Health Advocates, Inc.
  • Natural Essentials Inc.: Lead in Bulk Apothecary Moringa Powder
    Notice 2026-05234, filed 2026-11-06 by Environmental Health Advocates, Inc.
  • Home Essentials & Beyond, Inc and 1 more: Lead in Ross "Home Sweet Home" Hydrangea Bliss White Pitcher
    Notice 2026-05233, filed 2026-11-06 by Environmental Health Advocates, Inc.
  • General Mills, Inc. and 1 more: Cadmium in Progresso Hearty Grain Vegetable Protein Soup
    Notice 2026-05232, filed 2026-11-06 by Environmental Health Advocates, Inc.