#	Criteria	RKB Gr.1	RKB Gr.2	RKB Gr.3	RKB Gr.4
1	Foreign Matter	0.2% Max	0.5% Max	1% Max	1.5% Max
2	Contrasting Seed	0.2% Max	0.5% Max	1% Max	2% Max
3	Under Size Seed	1.5% Max	3% Max	4% Max	5% Max
4	Weevilled Seeds	2% Max	3% Max	5% Max	8% Max
5	Badly Damaged Beans	1.5	3	4	5
6	Split Seed	2%	3%	5%	8%
7	Broken	2.5% Max	3.5% Max	5% Max	8% Max
8	Moisture Content	14% Max	14% Max	14% Max	14% Max
9	Impurities	6.2% Max	10% Max	15% Max	22.5% Max
10	Purity	93.8%	90%	85%	77.5%