Table L-1. Dose-based EECs (mg/kg bw) as Food Residues for Birds, Reptiles, and Terrestrial-Phase Amphibians from Labeled Uses 

of Atrazine (T-REX v. 1.5.2, mean Kenaga).

Primary Feeding 

Strategy 

Herbivores and Omnivores Insectivores Granivores

Animal Size  Small Med Large Small Med Large Small Med Large

Dietary Items 

Short Grass

Tall Grass

Broad-leaf 

Plants

Fruits, pods, 

seeds, etc.

Short Grass

Tall Grass

Broadleaf 

Plants

Fruits, pods, 

seeds, etc.

Short Grass

Tall Grass

Broadleaf 

Plants

Fruits, pods, 

seeds, etc.

Arthropods Seeds, grains, etc.

Use(s) 

Corn/Sorghum

(2/0.5) 195 83 103 16 111 47 59 9 50 21 195 83 149 85 38 4 2 1

Sugarcane 620 263 328 51 354 150 187 29 158 67 620 263 474 270 121 11 6 3

TurfBermudagrass247 105 131 20 141 60 75 12 63 27 33 5 189 108 48 5 3 1

TurfSt Augustinegrass487 206 258 40 278 118 147 23 124 53 66 10 372 212 95 9 5 2

Fallow- Prior to 

planting corn and 

sorghum

218 92 115 18 124 53 66 10 56 24 29 5 167 95 43 4 2 1

Roadside 97 41 51 8 55 23 29 5 25 10 13 2 74 42 19 2 1 0

CRP 194 82 103 16 110 47 58 9 49 21 26 4 148 84 38 4 2 1

Macadamia Nuts 681 288 360 56 388 164 205 32 174 74 92 14 521 297 133 12 7 3

Guava 423 179 224 35 241 102 128 20 108 46 57 9 324 185 83 8 4 2

Conifers 387 164 205 32 221 94 117 18 99 42 52 8 296 169 76 7 4 2

Corn/Sorghum 

(0.5)

48 21 26 4 28 12 15 2 12 5 7 1 37 21 9 1 1 0

Corn/Sorghum 

(0.25)

24 10 13 2 14 6 7 1 6 3 3 1 19 11 5 0 0 0
Table L-2. Dose-based EECs (mg/kg bw) as Food Residues for Mammals from Labeled Uses of Atrazine (T-REX v. 1.5.2, mean

Kenaga).

Primary Feeding 

Strategy 

Herbivores and Omnivores Insectivores Granivores

Animal Size  Small Med Large Small Med Large Small Med Large

Dietary Items 

Short Grass

Tall Grass

Broad-leaf 

Plants

Fruits, pods, 

seeds, etc.

Short Grass

Tall Grass

Broadleaf 

Plants

Fruits, pods, 

seeds, etc.

Short Grass

Tall Grass

Broadleaf 

Plants

Fruits, pods, 

seeds, etc.

Arthropods Seeds, grains, etc.

Use(s) 

Corn/Sorghum

(2/0.5) 163 69 86 13 113 48 60 9 26 11 163 69 125 86 20 3 2 0

Sugarcane 519 220 275 43 359 152 190 30 83 35 519 220 397 274 64 10 7 2

TurfBermudagrass 207 88 109 17 143 61 76 12 33 14 18 3 158 109 25 4 3 1

TurfSt Augustinegrass 408 173 216 34 282 119 149 23 65 28 35 5 312 216 50 7 5 1

Fallow- Prior to 

planting corn and 

sorghum

182 77 97 15 126 53 67 10 29 12 15 2 139 96 22 3 2 1

Roadside 81 34 43 7 56 24 30 5 13 6 7 1 62 43 10 1 1 0

CRP 162 69 86 13 112 47 59 9 26 11 14 2 124 86 20 3 2 0

Macadamia Nuts 570 241 302 47 394 167 208 32 91 39 48 8 436 301 70 10 7 2

Guava 354 150 188 29 245 104 130 20 57 24 30 5 271 187 43 6 4 1

Conifers 324 137 172 27 224 95 119 18 52 22 28 4 248 171 40 6 4 1

Corn/Sorghum 

(0.5) 41 17 21 3 28 12 15 2 6 3 3 1 31 21 5 1 1 0

Corn/Sorghum 

(0.25) 20 9 11 2 14 6 7 1 3 1 2 0 15 11 2 0 0 0
Table L-3. Dietary-based EECs (mg/kg diet) as Food Residues for Birds, Reptiles, Terrestrialphase Amphibians, and Mammals from Labeled Uses of Atrazine (T-REX v. 1.5.2, mean

Kenaga).

Primary Feeding Strategy  Herbivores, Omnivores, and Granivores Insectivores

Dietary Items 

Short Grass

Tall Grass

Broad-leaf 

Plants

Fruits, pods, 

seeds, etc.

Arthropods

Use(s) 

Corn/Sorghum(2/0.5) 171 73 91 14 131

Sugarcane 544 231 288 45 416

Turf- Bermudagrass 217 92 115 18 166

Turf- St Augustine grass 428 181 226 35 327

Fallow- Prior to planting corn and 

sorghum 191 81 101 16 146

Roadside 85 36 45 7 65

CRP 170 72 90 14 130

Macadamia Nuts 598 253 316 49 457

Guava 372 157 197 31 284

Conifers 340 144 180 28 260

Corn/Sorghum (0.5) 43 18 23 4 33

Corn/Sorghum (0.25) 21 9 11 2 16