Chlorpyrifos Risk Summary

Determination of Potential Buffer Distances Using Various Application Methods and Crops

Approach: Agdrift Deposition Coupled With TTR and Updated SOPs

TTR Values from California Roller Method (mean 0.28%, max 0.34 % of rate)

Application Scenario 

(Representative Crop)

Application 

Rate

Nozzle 

Configuration

(lb ai/A) Source Appl. Rate (ug/cm2)

Aerial

Tier I 6 Fine to Medium Pro - MS 3.83 0.146 10 13 15 20 27 34 42

[Tree Fruits, Nuts, Orchards, 

Nursery] 6 Mean-All sites 3.87 0.120 12 16 19 25 33 42 51

6 Medium to Coarse Pro - MS 3.83 0.146 11 17 22 32 46 60 75

6 Mean-All sites 3.87 0.120 14 21 28 40 57 74 93

6

Coarse to Very 

Coarse Pro - MS 3.83 0.146 13 22 31 50 72 93 121

6 Mean-All sites 3.87 0.120 16 27 39 61 88 114 148

Tier I 4 Fine to Medium Pro - MS 3.83 0.146 14 19 23 31 41 51 63

[Tree Fruits, Nuts, Orchards, 

Nursery] 4 Mean-All sites 3.87 0.120 18 23 28 38 50 63 77

4 Medium to Coarse Pro - MS 3.83 0.146 17 26 34 48 70 90 113

4 Mean-All sites 3.87 0.120 21 32 41 59 86 111 139

4

Coarse to Very 

Coarse Pro - MS 3.83 0.146 19 33 47 75 108 140 181

4 Mean-All sites 3.87 0.120 23 40 58 92 133 172 222

Tier I 2.3 Fine to Medium Pro - MS 3.83 0.146 25 33 40 53 71 89 109

[Citrus Greening] 2.3 Mean-All sites 3.87 0.120 31 41 49 65 87 110 134

2.3 Medium to Coarse Pro - MS 3.83 0.146 30 45 59 84 121 156 196

2.3 Mean-All sites 3.87 0.120 36 55 72 103 149 192 241

2.3

Coarse to Very 

Coarse Pro - MS 3.83 0.146 33 57 82 130 188 243 315

2.3 Mean-All sites 3.87 0.120 41 70 101 159 230 298 387

Tier I 2 Fine to Medium Pro - MS 3.83 0.146 29 38 46 61 82 103 125

[Tree Fruits, Nuts, Orchards, 

Nursery] 2 Mean-All sites 3.87 0.120 35 47 57 75 100 126 154

2 Medium to Coarse Pro - MS 3.83 0.146 34 52 67 97 139 180 226

2 Mean-All sites 3.87 0.120 42 64 83 119 171 221 278

2

Coarse to Very 

Coarse Pro - MS 3.83 0.146 38 66 94 149 216 279 362

2 Mean-All sites 3.87 0.120 47 81 116 183 265 343 445

Tier I 1 Fine to Medium Pro - MS 3.83 0.146 57 76 92 122 163 205 250

Alfalfa, Asparagus. Sorghum, 

Strawberry, Sugarbeet 1 Mean-All sites 3.87 0.120 70 94 113 150 201 252 307

1 Medium to Coarse Pro - MS 3.83 0.146 68 104 135 193 279 360 452

1 Mean-All sites 3.87 0.120 83 127 166 237 342 442 555

MOEs At Various Distances Downwind From Treated Fields

75 Feet 

Combined 

MOE

100 Feet 

Combined 

MOE

Day (0) Highest Measured TTR

10 Feet 

Combined 

MOE

25 Feet 

Combined 

MOE

50 Feet 

Combined 

MOE

125 Feet 

Combined 

MOE

At Edge 

Combined 

MOE
1

Coarse to Very 

Coarse Pro - MS 3.83 0.146 76 132 188 298 431 558 724

1 Mean-All sites 3.87 0.120 94 162 232 367 530 686 890

Airblast

Tier I6 Normal Pro - MS 3.83 0.146 485 1350 1907 3023 4168 5223 6445

[Citrus (CA/AZ) ]

6 Mean-All sites 3.87 0.120 596 1659 2344 3715 5123 6419 7921 6 Dense Pro - MS 3.83 0.146 36 97 264 531 399 531 685 6 Mean-All sites 3.87 0.120 44 119 324 653 491 653 841 6 Sparse Pro - MS 3.83 0.146 9 33 57 132 247 387 589 6 Mean-All sites 3.87 0.120 11 40 70 163 303 476 724 6 Vineyard Pro - MS 3.83 0.146 135 672 1149 2218 3387 4500 5810 6 Mean-All sites 3.87 0.120 166 825 1413 2725 4163 5531 7140

Tier I 3.5 Normal Pro - MS 3.83 0.146 832 2314 3270 5182 7146 8954 11049

[Citrus] 3.5 Mean-All sites 3.87 0.120 1022 2843 4019 6369 8782 11004 13579

3.5 Dense Pro - MS 3.83 0.146 61 166 452 911 685 911 1174

3.5 Mean-All sites 3.87 0.120 75 203 555 1119 842 1119 1442

3.5 Sparse Pro - MS 3.83 0.146 16 56 98 227 423 664 1009

3.5 Mean-All sites 3.87 0.120 19 69 120 279 520 816 1240

3.5 Vineyard Pro - MS 3.83 0.146 232 1151 1970 3802 5807 7715 9960

3.5 Mean-All sites 3.87 0.120 285 1415 2422 4672 7136 9482 12241

Tier I2 Normal Pro - MS 3.83 0.146 1456 4049 5722 9069 12505 15669 19336

[Tree Fruits/Nuts/Orchards, 

Nursery]

2 Mean-All sites 3.87 0.120 1789 4976 7033 11145 15368 19257 23763 2 Dense Pro - MS 3.83 0.146 107 290 791 1594 1198 1594 2054 2 Mean-All sites 3.87 0.120 131 356 972 1958 1473 1958 2524 2 Sparse Pro - MS 3.83 0.146 28 98 172 397 740 1162 1766 2 Mean-All sites 3.87 0.120 34 120 211 488 910 1428 2171 2 Vineyard Pro - MS 3.83 0.146 406 2015 3448 6653 10162 13501 17430 2 Mean-All sites 3.87 0.120 499 2476 4238 8176 12488 16593 21421

Tier I1 Normal Pro - MS 3.83 0.146 2912 8098 11445 18137 25010 31339 38671

[Christmas Trees, Conifer, 

Deciduous Nursery, Grape]

1 Mean-All sites 3.87 0.120 3578 9952 14065 22290 30737 38515 47526 1 Dense Pro - MS 3.83 0.146 213 580 1581 3187 2397 3187 4108 1 Mean-All sites 3.87 0.120 262 712 1943 3917 2946 3917 5048 1 Sparse Pro - MS 3.83 0.146 55 196 343 794 1481 2325 3533 1 Mean-All sites 3.87 0.120 68 240 422 975 1820 2857 4342 1 Vineyard Pro - MS 3.83 0.146 811 4029 6896 13306 20323 27002 34860 1 Mean-All sites 3.87 0.120 997 4952 8475 16352 24976 33185 42843

Groundboom

Tier I6

Low Boom/F to 

Med/Coarse Pro - MS 3.83 0.146 11 235 327 467 587 687 794

[Grape (E of Cont Divide)]

6 Mean-All sites 3.87 0.120 14 289 402 574 722 844 976 6

High Boom/F to 

Med/Coarse Pro - MS 3.83 0.146 10 143 201 292 373 441 515

6 Mean-All sites 3.87 0.120 12 176 247 359 458 542 633

Tier I4

Low Boom/F to 

Med/Coarse Pro - MS 3.83 0.146 17 353 490 701 881 1030 1191

[Orchard Floor]

4 Mean-All sites 3.87 0.120 21 434 602 861 1083 1266 1464 4

High Boom/F to 

Med/Coarse Pro - MS 3.83 0.146 14 215 301 439 560 662 773

4 Mean-All sites 3.87 0.120 18 264 370 539 688 813 950
Tier I 2

Low Boom/F to 

Med/Coarse Pro - MS 3.83 0.146 34 706 980 1401 1762 2061 2382

[Fig, Peanut, Mint, 

Strawberry, etc.] 2 Mean-All sites 3.87 0.120 42 867 1205 1722 2166 2533 2927

2

High Boom/F to 

Med/Coarse Pro - MS 3.83 0.146 29 429 603 877 1119 1323 1546

2 Mean-All sites 3.87 0.120 35 527 741 1078 1375 1626 1900

Tier I 1

Low Boom/F to 

Med/Coarse Pro - MS 3.83 0.146 69 1412 1961 2802 3524 4121 4764

[Brussel Sprouts, 

Cauliflower, Onion, Soybean, 

Wheat] 1 Mean-All sites 3.87 0.120 84 1735 2410 3444 4331 5065 5854

1

High Boom/F to 

Med/Coarse Pro - MS 3.83 0.146 58 858 1206 1755 2238 2646 3093

1 Mean-All sites 3.87 0.120 71 1055 1482 2156 2751 3252 3801

5.00

1.00

0.36

0.10

0.36

0.62

0.03

100

300

FO 0.01

4.50E+08

2.47E-08

0.001

10

1.5

4

0.5

8.8

Acute Dietary BMDL10

Exposure Time (hours/day)

UF (for acute inhalation)

Weight unit conversion factor 

Hand to Mouth Inputs

Inhalation Acute HEC (mg/m3)

Actual Dermal Absorption 

UF (all but acute inhalation)

Number of replenishment intervals per hr 

(intervals/hr)

Area unit conversion factor 

Extraction by Saliva

O-t-M events per hour

Object Surface Area Mouthed / Event (cm2/event)

Weight unit conversion factor 

Dermal NOAEL For Calculation 

(from dermal tox study)

Hazard Inputs

 Incidental Oral BMDL10

 Input For Oral Exposures

For Calculation Purposes, Dermal 

Absorption (0-1)
Chlorpyrifos Risk Summary

Determination of Potential Buffer Distances Using Various Application Methods and Crops

Approach: Agdrift Deposition Coupled With TTR and Updated SOPs

TTR Values from California Roller Method (mean 0.28%, max 0.34 % of rate)

Application Scenario

Application 

Rate Nozzle Configuration

(lb ai/A) Source Appl. Rate (ug/cm2)

Aerial

Tier II (AT 401/10 mph/34%SD) 6 Medium Pro - MS 3.87 0.146 10 14 18 24 32 40 48

Tier II (AT 401/5 mph/34%SD) 6 Medium Pro - MS 3.87 0.146 16 20 26 40 51 59 67

Tier II (AT 401/10 mph/100%SD) 6 Medium Pro - MS 3.87 0.146 21 24 28 36 45 53 60

Tier II (AT 401/5 mph/100%SD) 6 Medium Pro - MS 3.87 0.146 33 40 46 56 64 71 80

Tier II (Wasp/10 mph/34%SD) 6 Medium Pro - MS 3.87 0.146 11 15 19 29 40 49 60

Tier II (Wasp/10 mph/100%SD) 6 Medium Pro - MS 3.87 0.146 24 30 35 46 56 65 75

Tier II (Wasp/5 mph/34%SD) 6 Medium Pro - MS 3.87 0.146 18 26 35 52 65 75 100

Tier II (Wasp/5 mph/100%SD) 6 Medium Pro - MS 3.87 0.146 45 52 59 70 82 95 110

Tier II (AT 401/10 mph/25%SD) 6 Coarse Pro - MS 3.87 0.146 12 19 25 38 53 68 84

Tier II (Wasp/10 mph/25%SD) 6 Coarse Pro - MS 3.87 0.146 14 22 30 49 69 88 110

Tier II (AT 401/10 mph/20%SD) 6 Very Coarse Pro - MS 3.87 0.146 13 24 35 57 81 106 136

Tier II (Wasp/10 mph/20%SD) 6 Very Coarse Pro - MS 3.87 0.146 17 31 45 73 104 136 175

Tier II (AT 401/10 mph/28%SD) 6 Medium to Coarse Pro - MS 3.87 0.146 11 17 22 31 44 55 68

Tier II (AT 401/5 mph/28%SD) 6 Medium to Coarse Pro - MS 3.87 0.146 18 25 34 56 74 86 101

Tier II (AT 401/10 mph/100%SD) 6 Medium to Coarse Pro - MS 3.87 0.146 27 32 39 52 65 76 89

Tier II (AT 401/5 mph/100%SD) 6 Medium to Coarse Pro - MS 3.87 0.146 48 59 68 82 97 110 126

Tier II (Wasp/10 mph/28%SD) 6 Medium to Coarse Pro - MS 3.87 0.146 13 19 25 40 57 71 87

Tier II (Wasp/5 mph/100%SD) 6 Medium to Coarse Pro - MS 3.87 0.146 65 77 87 109 135 160 189

Tier II (AT 401/10 mph/21%SD) 6 Coarse to Very Coarse Pro - MS 3.87 0.146 13 22 31 48 68 86 109

Tier II (AT 401/5 mph/21%SD) 6 Coarse to Very Coarse Pro - MS 3.87 0.146 22 34 49 84 114 136 167

Tier II (AT 401/10 mph/100%SD) 6 Coarse to Very Coarse Pro - MS 3.87 0.146 45 53 63 84 107 127 151

Tier II (AT 401/5 mph/100%SD) 6 Coarse to Very Coarse Pro - MS 3.87 0.146 78 93 109 134 164 192 222

Tier II (Wasp/10 mph/21%SD) 6 Coarse to Very Coarse Pro - MS 3.87 0.146 15 27 38 63 88 113 145

Tier II (Wasp/5 mph/100%SD) 6 Coarse to Very Coarse Pro - MS 3.87 0.146 114 135 156 199 248 295 350

Tier II (AT 401/10 mph/34%SD) 4 Medium Pro - MS 3.87 0.146 15 21 26 36 48 60 73

Tier II (AT 401/5 mph/34%SD) 4 Medium Pro - MS 3.87 0.146 24 30 39 60 77 89 100

Tier II (AT 401/10 mph/100%SD) 4 Medium Pro - MS 3.87 0.146 31 36 42 55 68 79 90

Tier II (AT 401/5 mph/100%SD) 4 Medium Pro - MS 3.87 0.146 50 60 69 84 97 107 120

Tier II (Wasp/10 mph/34%SD) 4 Medium Pro - MS 3.87 0.146 17 23 29 44 60 74 91

Tier II (Wasp/10 mph/100%SD) 4 Medium Pro - MS 3.87 0.146 36 44 53 68 84 98 112

Tier II (Wasp/5 mph/34%SD) 4 Medium Pro - MS 3.87 0.146 27 40 53 78 97 112 150

Tier II (Wasp/5 mph/100%SD) 4 Medium Pro - MS 3.87 0.146 68 79 88 105 123 142 165

Tier II (AT 401/10 mph/25%SD) 4 Coarse Pro - MS 3.87 0.146 18 28 38 56 80 101 126

Tier II (Wasp/10 mph/25%SD) 4 Coarse Pro - MS 3.87 0.146 21 33 45 73 103 132 165

Tier II (AT 401/10 mph/20%SD) 4 Very Coarse Pro - MS 3.87 0.146 20 36 53 86 122 159 204

Tier II (Wasp/10 mph/20%SD) 4 Very Coarse Pro - MS 3.87 0.146 25 46 67 110 156 205 263

Tier II (AT 401/10 mph/28%SD) 4 Medium to Coarse Pro - MS 3.87 0.146 17 25 33 46 65 83 102

Tier II (AT 401/5 mph/28%SD) 4 Medium to Coarse Pro - MS 3.87 0.146 27 37 50 85 111 129 151

Tier II (AT 401/10 mph/100%SD) 4 Medium to Coarse Pro - MS 3.87 0.146 41 48 58 78 98 114 134

Tier II (AT 401/5 mph/100%SD) 4 Medium to Coarse Pro - MS 3.87 0.146 72 89 102 123 145 165 189

Tier II (Wasp/10 mph/28%SD) 4 Medium to Coarse Pro - MS 3.87 0.146 19 28 37 60 86 106 131

Tier II (Wasp/5 mph/100%SD) 4 Medium to Coarse Pro - MS 3.87 0.146 98 115 130 164 203 240 284

Tier II (AT 401/10 mph/21%SD) 4 Coarse to Very Coarse Pro - MS 3.87 0.146 19 32 46 72 102 129 163

Tier II (AT 401/5 mph/21%SD) 4 Coarse to Very Coarse Pro - MS 3.87 0.146 33 51 73 126 170 204 250

Tier II (AT 401/10 mph/100%SD) 4 Coarse to Very Coarse Pro - MS 3.87 0.146 67 80 95 126 160 190 226

Tier II (AT 401/5 mph/100%SD) 4 Coarse to Very Coarse Pro - MS 3.87 0.146 117 139 163 200 246 288 332

Day (0) Highest Measured TTR MOEs At Various Distances Downwind From Treated Fields

At Edge 

Combined 

MOE

125 Feet 

Combined 

MOE

10 Feet 

Combined 

MOE

25 Feet 

Combined 

MOE

50 Feet 

Combined 

MOE

75 Feet 

Combined 

MOE

100 Feet 

Combined 

MOE
Tier II (Wasp/10 mph/21%SD) 

4 Coarse to Very Coarse Pro - MS 3.87 0.146 23 40 57 94 132 170 218

Tier II (Wasp/5 mph/100%SD) 

4 Coarse to Very Coarse Pro - MS 3.87 0.146 171 203 233 298 371 442 524

Tier II (AT 401/10 mph/34%SD) 2.3 Medium Pro - MS 3.87 0.146 27 37 46 62 83 104 126

Tier II (AT 401/5 mph/34%SD) 2.3 Medium Pro - MS 3.87 0.146 41 53 69 104 133 154 175

Tier II (AT 401/10 mph/100%SD) 2.3 Medium Pro - MS 3.87 0.146 54 62 73 95 118 137 157

Tier II (AT 401/5 mph/100%SD) 2.3 Medium Pro - MS 3.87 0.146 87 105 121 146 168 185 208

Tier II (Wasp/10 mph/34%SD) 2.3 Medium Pro - MS 3.87 0.146 29 40 51 77 105 128 158

Tier II (Wasp/10 mph/100%SD) 2.3 Medium Pro - MS 3.87 0.146 63 77 92 119 146 170 195

Tier II (Wasp/5 mph/34%SD) 2.3 Medium Pro - MS 3.87 0.146 48 69 92 136 169 195 260

Tier II (Wasp/5 mph/100%SD) 2.3 Medium Pro - MS 3.87 0.146 118 137 153 183 215 247 287

Tier II (AT 401/10 mph/25%SD) 2.3 Coarse Pro - MS 3.87 0.146 31 49 66 98 139 176 219

Tier II (Wasp/10 mph/25%SD) 2.3 Coarse Pro - MS 3.87 0.146 36 58 78 127 180 230 288

Tier II (AT 401/10 mph/20%SD) 2.3 Very Coarse Pro - MS 3.87 0.146 35 62 92 150 212 277 355

Tier II (Wasp/10 mph/20%SD) 2.3 Very Coarse Pro - MS 3.87 0.146 43 80 116 191 271 356 457

Tier II (AT 401/10 mph/28%SD) 2.3 Medium to Coarse Pro - MS 3.87 0.146 29 44 57 80 114 144 178

Tier II (AT 401/5 mph/28%SD) 2.3 Medium to Coarse Pro - MS 3.87 0.146 47 64 87 147 192 224 263

Tier II (AT 401/10 mph/100%SD) 2.3 Medium to Coarse Pro - MS 3.87 0.146 72 84 101 136 170 199 233

Tier II (AT 401/5 mph/100%SD) 2.3 Medium to Coarse Pro - MS 3.87 0.146 126 154 178 214 253 288 328

Tier II (Wasp/10 mph/28%SD) 2.3 Medium to Coarse Pro - MS 3.87 0.146 33 49 65 104 149 185 228

Tier II (Wasp/5 mph/100%SD) 2.3 Medium to Coarse Pro - MS 3.87 0.146 171 200 227 284 353 418 493

Tier II (AT 401/10 mph/21%SD) 2.3 Coarse to Very Coarse Pro - MS 3.87 0.146 33 56 80 125 177 224 283

Tier II (AT 401/5 mph/21%SD) 2.3 Coarse to Very Coarse Pro - MS 3.87 0.146 57 89 127 219 296 354 435

Tier II (AT 401/10 mph/100%SD) 2.3 Coarse to Very Coarse Pro - MS 3.87 0.146 116 138 166 219 278 330 393

Tier II (AT 401/5 mph/100%SD) 2.3 Coarse to Very Coarse Pro - MS 3.87 0.146 203 242 284 348 428 501 578

Tier II (Wasp/10 mph/21%SD) 2.3 Coarse to Very Coarse Pro - MS 3.87 0.146 39 70 98 163 230 295 378

Tier II (Wasp/5 mph/100%SD) 2.3 Coarse to Very Coarse Pro - MS 3.87 0.146 298 353 406 519 646 769 912

Tier II (AT 401/10 mph/34%SD) 

2 Medium Pro - MS 3.87 0.146 31 43 53 71 96 119 145

Tier II (AT 401/5 mph/34%SD) 

2 Medium Pro - MS 3.87 0.146 47 61 79 120 153 178 201

Tier II (AT 401/10 mph/100%SD) 

2 Medium Pro - MS 3.87 0.146 62 71 84 109 136 158 181

Tier II (AT 401/5 mph/100%SD) 

2 Medium Pro - MS 3.87 0.146 100 121 139 168 193 213 239

Tier II (Wasp/10 mph/34%SD) 

2 Medium Pro - MS 3.87 0.146 33 46 58 88 120 148 181

Tier II (Wasp/10 mph/100%SD) 

2 Medium Pro - MS 3.87 0.146 72 89 106 137 168 196 225

Tier II (Wasp/5 mph/34%SD) 

2 Medium Pro - MS 3.87 0.146 55 79 106 156 194 224 299

Tier II (Wasp/5 mph/100%SD) 

2 Medium Pro - MS 3.87 0.146 135 157 176 211 247 284 330

Tier II (AT 401/10 mph/25%SD) 

2 Coarse Pro - MS 3.87 0.146 36 57 76 113 160 203 251

Tier II (Wasp/10 mph/25%SD) 

2 Coarse Pro - MS 3.87 0.146 41 67 90 146 207 264 331

Tier II (AT 401/10 mph/20%SD) 

2 Very Coarse Pro - MS 3.87 0.146 40 71 106 172 243 318 409

Tier II (Wasp/10 mph/20%SD) 

2 Very Coarse Pro - MS 3.87 0.146 50 93 134 220 312 409 525

Tier II (AT 401/10 mph/28%SD) 

2 Medium to Coarse Pro - MS 3.87 0.146 33 50 65 92 131 166 204

Tier II (AT 401/5 mph/28%SD) 

2 Medium to Coarse Pro - MS 3.87 0.146 54 74 101 169 221 258 302

Tier II (AT 401/10 mph/100%SD) 

2 Medium to Coarse Pro - MS 3.87 0.146 82 97 116 156 196 229 267

Tier II (AT 401/5 mph/100%SD) 

2 Medium to Coarse Pro - MS 3.87 0.146 144 177 205 246 291 331 378

Tier II (Wasp/10 mph/28%SD) 

2 Medium to Coarse Pro - MS 3.87 0.146 38 57 74 119 172 213 262

Tier II (Wasp/5 mph/100%SD) 

2 Medium to Coarse Pro - MS 3.87 0.146 196 230 261 327 406 481 567

Tier II (AT 401/10 mph/21%SD) 

2 Coarse to Very Coarse Pro - MS 3.87 0.146 38 65 92 143 203 258 326

Tier II (AT 401/5 mph/21%SD) 

2 Coarse to Very Coarse Pro - MS 3.87 0.146 65 102 146 252 341 407 500

Tier II (AT 401/10 mph/100%SD) 

2 Coarse to Very Coarse Pro - MS 3.87 0.146 134 159 190 252 320 380 452

Tier II (AT 401/5 mph/100%SD) 

2 Coarse to Very Coarse Pro - MS 3.87 0.146 233 279 326 401 492 576 665

Tier II (Wasp/10 mph/21%SD) 

2 Coarse to Very Coarse Pro - MS 3.87 0.146 45 80 113 188 264 340 435

Tier II (Wasp/5 mph/100%SD) 

2 Coarse to Very Coarse Pro - MS 3.87 0.146 342 406 467 597 743 884 1049

Tier II (AT 401/10 mph/34%SD) 

1 Medium Pro - MS 3.87 0.146 61 86 106 142 192 239 291

Tier II (AT 401/5 mph/34%SD) 

1 Medium Pro - MS 3.87 0.146 95 121 158 240 307 355 402

Tier II (AT 401/10 mph/100%SD) 

1 Medium Pro - MS 3.87 0.146 124 143 167 218 272 316 362

Tier II (AT 401/5 mph/100%SD) 

1 Medium Pro - MS 3.87 0.146 201 242 278 335 387 427 478

Tier II (Wasp/10 mph/34%SD) 

1 Medium Pro - MS 3.87 0.146 66 92 116 176 241 295 363

Tier II (Wasp/10 mph/100%SD) 

1 Medium Pro - MS 3.87 0.146 145 177 211 274 335 392 450

Tier II (Wasp/5 mph/34%SD) 

1 Medium Pro - MS 3.87 0.146 109 158 212 312 389 448 598

Tier II (Wasp/5 mph/100%SD) 

1 Medium Pro - MS 3.87 0.146 271 314 353 422 494 567 659
Tier II (AT 401/10 mph/25%SD) 1 Coarse Pro - MS 3.87 0.146 71 114 153 225 320 406 503

Tier II (Wasp/10 mph/25%SD) 1 Coarse Pro - MS 3.87 0.146 83 133 180 293 413 528 662

Tier II (AT 401/10 mph/20%SD) 1 Very Coarse Pro - MS 3.87 0.146 80 142 212 344 487 637 818

Tier II (Wasp/10 mph/20%SD) 1 Very Coarse Pro - MS 3.87 0.146 99 185 267 440 623 818 1051

Tier II (AT 401/10 mph/28%SD) 1 Medium to Coarse Pro - MS 3.87 0.146 66 101 131 185 262 332 408

Tier II (AT 401/5 mph/28%SD) 1 Medium to Coarse Pro - MS 3.87 0.146 107 148 201 338 442 515 605

Tier II (AT 401/10 mph/100%SD) 1 Medium to Coarse Pro - MS 3.87 0.146 165 194 232 312 392 457 535

Tier II (AT 401/5 mph/100%SD) 1 Medium to Coarse Pro - MS 3.87 0.146 289 354 409 493 581 661 755

Tier II (Wasp/10 mph/28%SD) 1 Medium to Coarse Pro - MS 3.87 0.146 75 114 149 239 343 425 525

Tier II (Wasp/5 mph/100%SD) 1 Medium to Coarse Pro - MS 3.87 0.146 393 459 522 654 812 961 1134

Tier II (AT 401/10 mph/21%SD) 1 Coarse to Very Coarse Pro - MS 3.87 0.146 75 129 184 287 406 516 652

Tier II (AT 401/5 mph/21%SD) 1 Coarse to Very Coarse Pro - MS 3.87 0.146 131 204 292 503 682 814 1000

Tier II (AT 401/10 mph/100%SD) 1 Coarse to Very Coarse Pro - MS 3.87 0.146 267 318 381 505 640 759 905

Tier II (AT 401/5 mph/100%SD) 1 Coarse to Very Coarse Pro - MS 3.87 0.146 466 558 653 801 984 1152 1329

Tier II (Wasp/10 mph/21%SD) 1 Coarse to Very Coarse Pro - MS 3.87 0.146 91 160 226 376 529 679 870

Tier II (Wasp/5 mph/100%SD) 1 Coarse to Very Coarse Pro - MS 3.87 0.146 685 812 934 1194 1485 1769 2098

5.00

1.00

0.36

0.10

0.36

0.62

0.03

100

300

FO 0.01

4.50E+08

2.47E-08

0.001

10

1.5

4

0.5

8.8

Hazard Inputs

Dermal NOAEL For Calculation (from dermal 

tox study)

For Calculation Purposes, Dermal Absorption 

(0-1)

 Input For Oral Exposures

 Incidental Oral BMDL10

Acute Dietary BMDL10

Inhalation Acute HEC (mg/m3)

Actual Dermal Absorption 

UF (all but acute inhalation)

UF (for acute inhalation)

Hand to Mouth Inputs

Weight unit conversion factor 

Number of replenishment intervals per hr (intervals/hr)

Extraction by Saliva

O-t-M events per hour

Area unit conversion factor 

Weight unit conversion factor 

Object Surface Area Mouthed / Event (cm2/event)

Exposure Time (hours/day)