Service Forester's Handbook

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====== Dilution of Pesticides ======

^Percent  ^Dilution        ^P/M        ^Grams/Liter   |
|1.0      |1:100           |10,000     |10.0          |
|0.1      |1:1,000         |1,000      |1.0           |
|0.01     |1:10,000        |100        |0.1           |
|0.001    |1:100,000       |10         |0.01          |
|0.0001   |1:1,000,000     |1          |0.001         |

1 Part/Million (P/M): 
   By Weight: 1 milligram per kilogram
   By Volume: 1 microliter per liter 
   One ounce in 7,500 gallons, or 1 lb in 120,000 gallons is 
   approximately 1 part per million by weight in water.


====Dilution of Liquid Pesticides====

^Amount of Mix    ^Amount of spray material to use for these dilutions           ^^^|
^                 ^1:200        ^1:400        ^1:600             ^1:800             |
|1 quart          |1 tsp.       |1/2 tsp.     |1/3 tsp.          |1/4 tsp.          |
|1 gallon         |4 tsp.       |2 tsp.       |1 1/2 tsp.        |1 tsp.            |
|5 gallons        |3 1/4 oz.    |1 2/3 oz.    |1 oz.             |4/5 oz.           |
|50 gallons       |1 quart      |1 pint       |2/4 pint or 12 oz.|1/2 pint or 8 oz. |

====Dilution of Herbicide in Different Concentrations====

^When acid equivalent of herbicide is^and the required concentration of mix in lbs. of acid/100 is^^^^^^|
^                                    ^2       ^4        ^6       ^8     ^12       ^16       ^20         |
|2.00 Lbs./Gal.                      |1.0     |2.0      |3.0     |4.0   |6.0      |8.0      |10.0       |
|3.00 Lbs./Gal.                      |0.7     |1.3      |2.0     |2.7   |4.0      |5.3      |6.7        |
|3.34 Lbs./Gal.                      |0.6     |1.2      |1.8     |2.4   |3.6      |4.8      |6.0        |
|4.00 Lbs./Gal.                      |0.5     |1.0      |1.5     |2.0   |3.0      |4.0      |5.0        |
|6.00 Lbs./Gal.                      |0.3     |0.7      |1.0     |1.3   |2.0      |2.7      |3.3        |
Service Forester's Handbook

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