How much sample is required for a pesticide residue analysis


It is important to know why you are taking a pesticide residue sample, what you hope to achieve and to make sure that the sample is representive of the situation, and that all measures have been put in place to make sure that the there is no contamination of the sample and no deterioration of the sample on the way to the laboratory.

Samples should be taken in clean un-used containers as supplied by Crop Nutrition Laboratory Services - please order containers via email from

Samples should be dropped at, or sent by overnight service to  Crop Nutrition Laboratory Services Limited, Off Limuru Road, Limuru Kenya, Tel +254 720 639 933., Kenya Tel 0711094444.

Sampling Procedures can be found on   How to take a sample for pesticide residue analysis.

Sample description  Examples     Minimum size of sample
Soil field soil, GHsoil 
sediment, compost
Water lake, river, irrigation 
reservoir, borehole
    2 litres
Small sized fresh products 
units generally <25g
berries, peas, olives     500 g
Medium sized fresh products 
units generally 25-250 g
apples, oranges, bananas 
    1 kg
Large sized freed products 
units generally >250g
cabbages, cucumbers 
bunches of grapes
    2 kg 
at least 6-8 units
Pulses and cereal grains soya beans, wheat, barley 
rice, maize, 
    1 kg
Oilseeds peanuts, rape seed     500g
Fresh Herbs parsley, chives, rosemary     250g
Beverages coffee beans, tea leaves     500g
Spices Dried spice powders     100g
Animal Fodder legumes, forages and other 
    1 kg 
at least 10 whole units
Dried Animal feed straw, hay      1kg 
at least 10 whole units

For more information please contact us through:

Crop Nutrition Laboratory Services Ltd.

Off Limuru Road, Limuru, Kenya

Telephone +254 (0) 711094444, + 254 (0) 720 839 933


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