1. Isolation. Prior to inspection, a field must be isolated from inseparable crops by a fence row, natural boundary, or by a strip of at least five feet [1.52 meters] wide which is either mowed, sprayed, or uncropped.

Factor	Foundation	Maximum Tolerance
		Registered	Certified
Other varieties or classes *	.01 percent	0.05 percent	0.1 percent
Inseparable other crops	none	none	none
Prohibited noxious weeds **	none	none	none
Objectionable weeds ***	none	none	none
Bacterial bean blights +	.01 percent	.05 percent	.1 percent
Anthracnose	none	none	none
Wilt	none	none	none
Common bean mosaic	none	0.5 percent	1.0 percent

*Other varieties shall not include variants characteristic of the variety.

Prohibited noxious weeds include only field bindweed, leafy spurge, yellow starthistle, and Russian knapweed.

The tolerance for prohibited or objectionable weeds, or both, will be determined by the inspector.

*Objectionable weeds include nightshade species and cocklebur.

1. 1. The grower shall isolate and not harvest within a one hundred-foot [30.5-meter] radius of all staked

(flagged) plants. A grower must leave in place any stakes or flags by plants with blight-infected pods. The inspector may recheck the field to ensure that these blighted areas were not harvested. Failure to leave the rejected area will result in total field being rejected.

2. Areas to be isolated must be mapped out on field inspection report.

History: Amended effective May 1, 1986; May 1, 1988; December 18, 1989; August 1, 1991; September 1, 2002; January 1, 2005; January 2, 2006; July 1, 2010; October 1, 2012.

General Authority: NDCC 4.1-52-10

Law Implemented: NDCC 4.1-52-10, 4.1-53-42