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Human Health and Environmental Relative Risks of WNV Mosquito Control Products

Appendix VI. Use Directions and Estimated modExposures

Section 1 Conversion Factors (65, 67)

TO CONVERT

INTO

MULTIPLY BY

Acres (A)

square meters (m 2 )

4,047

cubic meters (m 3 )

Liters (L)

10 3

gallons (gal)

liters (L)

3.785

kilograms (kg)

milligrams (mg)

10 6

kilograms (kg)

pounds (lbs)

2.205

Liters (L)

gallons (gal)

0.2642

milligrams (mg)

grams (g)

10 -3

milligrams (mg)

kilograms (kg)

10 -6

milligrams (mg)

micrograms (ug)

10 3

millimeters of mercury (mmHg)

Pascal (pa)

133.3

parts per million (ppm) (mg/kg; mg/L)

parts per billion (ppb) (ug/kg; ug/L)

10 3

Pascal (Pa)

millimeters of mercury (mmHg)

0.0075

pints (pts)

gallon (gal)

0.125

pounds (lbs)

kilograms (kg)

0.373

 

Appendix VI. Table 1. Organophosphates; Use Directions; modified Exposure factor
Brand Name
EPA Registration #
% Active Ingredients
Label Information (Highest rates)
Calculated
Method
Rate from label
lb ai/gal
lb/Acre
mg/A
Atrapa ULV 1812–407 95% Malathion Ground 4 fl oz/A 9.79 0.31

140,614
Fyfanon ULV 4787–8 96.5% Malathion Aerial 3 fl oz/A 9.9 0.231 105,407
Ground thermal 8 fl oz/gal; 40 gal/hr; 5 mph; 300 ft swath 0.14 63,956
Ground non-thermal 2.1 fl oz/min; 1 gal/hr; 5 mph; 300 ft swath 0.054 24,422
Clean Crop Malathion ULV 34704–565 95% Malathion Aerial 3 fl oz/A 9.79 0.23 104,614
Ground 8 fl oz/gal; 40 gal/hr; 5 mph; 300 ft swath 0.135 61,335
Cheminova Fyfanon 8EC 67760–4 81.27% Malathion Ground 9.6 fl oz/A 8 0.6 272,155
Dibrom Concentrate 5481–480 87.4% Dibrom Ground 0.02 lb/A - 0.02 9,072
Aerial 0.1 lb/A - 0.1 45,359
Trumpet EC 5481–481 78% Dibrom Ground 0.02 lb/A - 0.02 9,072
Aerial 0.1 lb/A - 0.1 45,359
Dibrom 8 Emulsive 5481-479 62% Dibrom

Ground or Aerial

0.1 lb/A 7.5 0.1 45,359

 

Appendix VI. Table 2. Synthetic Pyrethroids; Use Directions; modified Exposure factor

Brand Names

EPA registration #

% Active Ingredients

Label Information (Highest Rates)

Calculated

Application Method
From label
lb ai/gal
lb/Acre
mg/A

Aqua Permanone (Aqua-Reslin)

432-796

20% Permethrin
20% PBO

Ground or Aerial

0.007 lb/A

1.67

0.007

3,175

Permanone 10% E.C. (Flit 10 EC)

4816-688-8323 4816-688-8329

10% Permethrin

Ground

0.007 lb/A

-

0.007

3,175

Permanone 31-66

432-1166

31.28% Permethrin
66% PBO

Ground or Aerial

0.007 lb/A

2.86

0.007

3,175

Permanone RTU

432-1182

3.98% Permethrin
8.48% PBO

Ground

0.007 lb/A

0.289

0.007

3,175

Anvil 10+10 (not registered 2000)

1021-1688-8329

10% Phenothrin
10% PBO

Ground or aerial

0.0035 lb/A

0.74

0.0035

1,587

Scourge 18%+54 MF

432-667

18% Resmethrin
54% PBO

Ground or Aerial

0.007 lb/A

1.51

0.007

3,175

Scourge 4%+12% MF

432-716

4.14% Resmethrin
12.42% PBO

Ground or Aerial

0.007 lb/A

0.3

0.007

3,175

 

Appendix VI. Table 3. Mosquito Larvicide Products Use Directions; Estimated Environmental Concentration (EEC) (a)

Bti

EPA #

% AI

Application method

Rate

lb ai/gal

ITU/acre Calculated

EEC

Vectobac CG

73049-19

0.2 % Bti

Ground or aerial

20 lbs/A

0.091 billion ITU (a) lb

1.82 billion ITU/A

NA

Vectobac G

73049-10

0.2 % Bti

Ground or aerial

20 lbs/A

0.091 billion ITU/lb

1.82 billion ITU/A

NA

BMP 144 (2x)

62637–1

1.2 % Bti

Ground or aerial

2 pts/A

4.84 billion ITU/gallon

1.21 billion ITU/A

NA

Vectobac 12 AS

73049-38

1.2 % Bti

Ground or aerial

2 pts/A

4.84 billion ITU/gallon

1.21 billion ITU/A

NA

B. sphaericus

EPA #

% AI

Application method

Rate

lb ai/gal

ITU/acre Calculated

EEC

Vectolex CG Biological Larvicide

73049-20

7.5% B. sphaericus

Ground or aerial

20 lbs/A

0.023 billion BsITU/Lb

0.46 billion BsITU/A

NA

Tires, dumps etc. 80 lbs/A 1.84 billion BsITU/A NA

Vectolex WDG

73049-57

51.2 % B. sphaericus

Ground or aerial

1.5 lbs/A

0.299 billion BsITU/lb

0.45 billion BsITU/A

NA

Methoprene

EPA #

% AI

Application method

Rate

lb ai/gal or g/lb

mg/acre Calculated

ug/L (ppb) (c)

Zoecon Altosid Briquets

2724–375

8.63 % Methoprene

Ground

1 briquet/75 gal 1 briquet/284 L

5.4 g/briquet 5400 mg/briquet

NA

8.1 (22b) 4.0 (42)

Zoecon Altosid XR Briquet

2724–421

2.1 % Methoprene

Ground

1 briquet/100 ft 2

764 mg/briquet

NA

8.1 (22b) 0.7 (42)

Zoecon Altosid pellets

2724-448

4.25 % Methoprene

Ground or Aerial

10 lbs/A

19.3 g/lb (42)

NA

1.94 (22b)
2.0 (42)

Zoecon Altosid XR-G

2724–451

1.5 % Methoprene

Ground or aerial

20 lbs/A

6.8 g/lb (42)

NA

0.3 (22b)

POE MMF

EPA #

% AI

Application methods

Rate

Specific gravity

mg/acre Calculated

EEC (a)

Agnique MMF 5996

52263-28

100 % POE MMF

Ground or aerial

1 gal/A

0.91

3,445

5.7 or 0.46

Temephos

EPA #

% AI

Application methods

Rate

lb ai/gal

mg/acre Calculated

EEC (a)

5% Skeeter Abate

8329–15

5 % Temephos

Ground

0.5 lbs ai/A

solid

226,800

366 or 31

Clarke 2% Skeeter Abate

8329–16

2 % Temephos

Ground or aerial

0.5 lbs ai/A

solid

226,800

366 or 31

  1. EEC = Estimated Environmental Concentration calculated using EPA methodology (23).
  2. Not applicable for biological larvicides
  3. Slow release formulations, EEC is the maximum concentration from Wellmark's data submission (22b)

NEXT: Appendix VII: Relative Risks

 

 
Maine Department of Agriculture