Special packing provisions PP26 and PP31:
PP26: For UN Nos. 0004, 0076, 0077, 0078, 0132, 0154, 0216, 0219, 0234, 0235, 0236, 0386, 0394, 1310, 1320, 1321, 1322, 1344, 1347, 1348, 1349, 1517, 2907, 3317, 3344 and 3376, packagings shall be lead-free.

PP31: The packagings shall be hermetically sealed.