Exhibit1 Required Treatments.docx

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Herbicide Application and GPS Data Pike National Forest, Colorado
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AG-82X9-S-10-0089
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Exhibit 01 Required Treatments for Specific Noxious Weeds

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File Type Posted
Pre-Bid Questions.docx DOCX document
Exhibit1 Required Treatments Amen01.docx DOCX document
AG-82X9-S-10-0089 Sumamry of Changes Amend 01.docx DOCX document
AG-82X9-S-10-0089 Cover Page Amend 01.pdf PDF
Attach J.2 Fire Control Plan.docx DOCX document
Exhibit2 GPS Tolerance.docx DOCX document
AG-82X9-S-10-0089 Herbicide GPS.docx DOCX document
Attach J.3 Wage Determination.docx DOCX document
Exhibit3 Treatment data Tabledocx.docx DOCX document
Attach J.1 PWS Final.docx DOCX document

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Exhibit 1 Page 1 of 1

Exhibit 1 Required Treatments for Specific Noxious Weeds

For species known to occur, the required herbicide equivalents and rates are indicated below. Adjuvants required by product label must also be use. Marker dye is required for all treatments. A minimum of 20 gallons/acre delivery rate is required for all treatments.

For all other noxious weed species that may be located, the COR will determine the appropriate herbicide and rate. Estimated acres of noxious weeds are shown; more or less of each species may actually be treated.

Common Name
Estimated acres
Required Herbicide equivalent
Required rate
Number of treatments per year
Leafy spurge
75ac

75ac 2,4-D amine 39% ai @ bolting to flowering Imazapic 23.6% ai; late fall

10 oz/ac

12 oz/ac

Yellow toadflax 300 ac

Chlorsulfuron 75%ai + “Phase”; @ flowering stage

1.5 oz/ac;

1qt/100gal

Diffuse knapweed 20 ac

10 ac Aminopyralid 40.6% ai @ rosette to bolting stage Aminopyralid 40.6% ai @ fall 7 oz/ac

7 oz/ac

Spotted knapweed

1 ac
Aminopyralid 40.6% ai @ rosette to bolting stage
7 oz/ac
1

Orange hawkweed .5 ac summer .5 ac fall .5 ac late fall

Aminopyralid 40.6% ai at all stages
7 oz/ac
3
Canada thistle
64 ac

Aminopyralid 40.6% ai @ fall re-growth stage

7 oz/ac

Bull, Scotch, plumeless thistle
30 ac
Aminopyralid 40.6% ai @ rosette to bolting stage
7 oz/ac
1
Houndstongue
<1 ac
2,4-D amine 39% ai @ rosette or
Metsulfuron-Methyl 60% ai @ active growth stage
1 to 2 quarts
First or second year rosettes

1-2 qt Or 0.5 to 1oz

Cheat grass
20 ac
Imazapic 23.6% ai very late fall
2 oz/ac
1
Scentless chamomile
<1 ac
Aminopyralid 40.6% ai @ pre-bud stage
4 oz/ac
1
Bouncingbet
<1 ac
Chlorsulfuron 75%ai @ pre-bud stage
½ oz/ac
1
Oxeye daisy
< 1 ac
Aminopyralid 40.6% ai @ pre-bud stage
4 oz/ac
1

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