The following product was certified using methods USEPA SW846, 3rd edition, 3050 (hot block), 3051 (microwave), 6010 (ICP-EOS), 6020 (ICP-MS) and 7000 (AES) series. These standards have not been spiked or fortified in any way. Samples were tested, and found suitable, for the lead-abatement programs.