Japanese Knotweed. Japanese knotweed is one of the most invasive plants in the UK. It grows rapidly (over 1.5m in a month) and spreads easily by stem fragments and rhizomes (underground creeping stems).1  Overview / Identification Notes. 2  Image Gallery.apanese knotweed is one of the most invasive plants in the UK. It grows rapidly (over 1.5m in a month) and spreads easily by stem fragments and rhizomes (underground creeping stems). 1  Overview / Identification Notes.
ISO 22000 is quickly growing in popularity. A hybrid of the ISO 9001 Quality Management System and the HACCP Food Safety system, 22000 has been developed as an international solution for improving food safety.
1 There are three levels of certification for the SQF standard. 2  Level 1 is mainly for low risk products and it incorporates fundamental food safety controls. 3  Level 2 is a certified HACCP food safety plan that is benchmarked by GFSI. Level 1 is mainly for low risk products and it incorporates fundamental food safety controls. 2  Level 2 is a certified HACCP food safety plan that is benchmarked by GFSI. 3  Level 3 is a comprehensive implementation of safety and quality management systems that incorporates Level 2.