CLAUSE CODE: QC105a    This clause was archived as of 07/13/2010
  CLAUSE TITLE: Prohibited Materials



The use of cadmium or mercury is expressly prohibited.


For electrical, electronic or electromechanical (EEE) hardware:

  • All tin finishes or solder must be alloyed with a minimum of 3% lead (Pb) by weight.
  • All zinc finishes shall not be pure zinc.


Contractor shall submit a certificate with each shipment stating compliance with this clause.


Any deviations from this requirement shall be approved by JPL in writing prior to acceptance of this Contract/Purchase Order.