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Prop 65

Sierra Pacific Engineering and Products is committed to conducting its business in an ethical and responsible manner consistent with applicable laws, including California Proposition 65.

In an abundance of caution, SPEP will provide the Proposition 65 warning as required for listed substances  The Proposition 65 List | OEHHA, that are an element in an SPEP part. With over 10,000 products in our line, it is not physically or financially possible for us to test each product for Safe Harbor levels, as this would require millions of independent tests.

The warning does not mean that our products will cause any harm. Moreover, a Proposition 65 warning does not mean a product is in violation of any product-safety standards or requirements. We believe our products are not harmful when used as designed. We are providing this warning to comply with California law.  Details regarding materials and finishes with listed substances can be found in the tables below.

Please feel free to contact us with any questions at To understand your responsibilities as a Manufacturer or Distributor to maintain warning materials, please visit Frequently Asked Questions for Businesses – Proposition 65 Warnings Website.

Material Prop 65 Listed Substance(s) Carcinogen Reproductive Harm
Brass Lead Yes Yes
EPDM       Carbon Black Yes No
Nylon  Tetrafluoroethylene Yes No
Plastic Formaldehyde Yes No
Styrene Yes No
Bisphenol-A (BPA) No Yes
Poron Furan Yes No
Propylene Oxide Yes No
PVC Vinyl Chloride Yes No
Rubber Carbon Black Yes No
Styrene Yes No
Delrin Formaldehyde Yes No
Neoprene Foam Chloroprene Yes No
Vinyl Diisononyl Phthalate Yes No
MaterialProp 65 Listed Substance(s)CarcinogenReproductive Harm
EPDM      Carbon BlackYesNo
Nylon TetrafluoroethyleneYesNo
Bisphenol-A (BPA)NoYes
Propylene OxideYesNo
PVCVinyl ChlorideYesNo
RubberCarbon BlackYesNo
Neoprene FoamChloropreneYesNo
VinylDiisononyl PhthalateYesNo
Finish Prop 65 Listed Substance(s) Carcinogen Reproductive Harm
Chrome Plated Chromium (hexavalent compound) Yes Yes
Nickel Plated Nickel Yes No
Zinc Plated Chromium (hexavalent compound) Yes Yes