3.1 The sensory requirements are loose powdery and free of mechanical impurities. 3.2 Technical indicators The technical indicators should comply with the provisions of Table 1. 3.3 Ascaris egg mortality and fecal coliform count indicators should comply with the requirements of NY884. 3.4 The limit indicators for arsenic, cadmium, lead, chromium and mercury should comply with the requirements of GB/T23349. 3.5 The net content should comply with the provisions of the Measures for Supervision and Administration of Measurement of Quantitative Packaged Commodities.