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Gravel pit minimum standards

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Gravel pit minimum standards

Gravel/borrow area shall be free of those noxious weeds or undesirable plant species identified in the following list and those weeds declared noxious within the state of origin.

1. Gravel/borrow material shall be inspected in the State/Province of origin by proper officials or authority.

 2. Gravel/borrow material shall also be inspected in the area of origin (area shall include, but not limited to, surrounding ditches, top soil piles, gravel/sand piles, fence rows, roads, easement, rights-of-way, working areas, storage areas, and a buffer zone surrounding the area.)

 3. Gravel/borrow material shall be inspected prior to movement by the proper officials or authority.

 4. Gravel/borrow area which contains any noxious weeds, or undesirable plant species, as identified in the following list, may be certified if the following requirements are met:

         a. Area upon which the gravel/borrow material was mined was treated to prevent seed formation or seed ripening to the degree that there is no danger of dissemination of the seed, or any injurious portion thereof from such noxious weeds, or undesirable plant species, or the propagating parts of the plant are not capable of producing a new plant.

         b. Noxious weed(s) or undesirable plant species was treated not later than rosette to bud stage, or boot stage for grass species.

         c. Treatment method can include but is not limited to: 1) burning, 2) mowing, cutting or rouging, 3) mechanical methods, or 4) chemicals.

5. An inspection certificate shall document that the above requirements have been met based upon a reasonable and prudent visual inspection.


Minimum Guidelines for gravel/borrow material inspections:

 The inspector will follow the following inspection procedures:

1.  The entire border shall be walked or driven.

2. All storage areas, gravel/sand piles shall also be inspected and meet the standards.

3. Around all equipment, crushers, and working areas must be inspected to meet the standards.

4.  Areas shall be inspected regularly at least every 30 days in the growing season.

5.  An inspector may not inspect gravel/borrow material of which said inspector has ownership or financial interest.

North American Weed Free Forage Certification Standards List

Absinth wormwood Artemisia absinthium

Bermudagrass Cynodon dactylon

Buffalobur Solanum rostratum

Canada thistle Cirsium arvense

Common burdock Arctium minus

Common crupina Crupina vulgaris

Common tansy Tanacetum vulgare

Dalmatian toadflax Linaria dalmatica

Diffuse knapweed Centaurea diffusa

Dyers woad Isatis tinctoria

Field bindweed Convolvulus arvensis

Hemp (marijuana) Cannabis sativa

Henbane, Black Hyoscyamus niger

Hoary cress, (Whitetop) Cardaria spp)

Horsenettle Solanum carolinense

Houndstongue Cynoglossum officinale

Johnsongrass Sorghum halepens

Jointed goatgrass Aegilops cylindrica

Leafy spurge Euphorbia esula

Matgrass Nardus stricta

Meadow knapweed Centaurea pratensis

Medusahead Taeniatherum caput-medusae

Milium Milium vernale

Musk thistle Carduus nutans

Orange hawkweed Hieracium aurantiacum

Oxeye daisy Chrysanthemum leucanthemum

Perennial pepperweed Lepidium latifolium

Perennial sorghum Sorghum almum

Perennial sowthistle Sonchus arvensis

Plumeless thistle Carduus acanthoides

Poison hemlock Conium maculatum

Puncturevine Tribulus terrestris

Purple loosestrife Lythrum salicaria

Quackgrass Agropyron repens

Rush skeletonweed Chondrilla juncea

Russian knapweed Centaurea repens

Scentless chamomile Matricaria perforata or M. milaceum

Scotch broom Cytisus scoparius

Scotch thistle Onopordum acanthium

Sericea Lespedeza Lespedeza cuneata

Silverleaf nightshade Solanum elaeagnifolium

Skeletonleaf bursage Ambrosia tomentosa

Spotted knapweed Centaurea maculosa

Squarrose knapweed Centaurea virgata

St. Johnswort Hypericum perforatum

Sulfur cinquefoil Potentilia recta

Syrian beancaper Zygophyllum fabago

Tansy ragwort Senecio jacobaea

Toothed spurge Euphorbia dentata

Wild oats Avena fatua

Wild proso millet Panicum miliaceum

Yellow hawkweed Hieracium pratense

Yellow starthistle Centaurea solstitialis

Yellow toadflax Linaria vulgaris

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