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Table 3 Pesticide quantified in licensed and illicit samples obtained across Canada

From: High levels of pesticides found in illicit cannabis inflorescence compared to licensed samples in Canadian study using expanded 327 pesticides multiresidue method

Source

Samples analyzed

Sample positive rate

(%)

Pesticides detected

Sample detection frequency

Pesticide concentration range (µg/g)

Licensed

36

6

Dichlobenil

1

0.01

Myclobutanil

1

0.01

Illicit

24

92

Abamectin

2

0.06 to 0.6

Azoxystrobin

1

0.2

Bifenazate

4

0.009 to 0.1

Boscalid

1

0.04

Carbaryl

2

0.02 to 0.06

Chlorphenapyr

2

0.5 to 5

Chlorpyrifos

4

0.01 to 30

Dichlorvos

2

0.05 to 1

Fluopyram

1

0.03

Imidacloprid

3

0.1 to 60

Malaoxon

1

0.009

Malathion

1

0.2

Myclobutanil

17

0.02 to 70

Paclobutrazol

10

0.009 to 1

Permethrin

3

0.1 to 0.7

Piperonyl Butoxide

10

0.01 to 2a

Pyrethrins

8

0.03 to 1

Pyridaben

1

0.03

Spinosad

1

0.2a

Spirodiclofen

1

0.3

Spiromesifen

2

0.2 to 1

Spirotetramat

1

0.1a

Tetramethrin

1

0.8

  1. aMonitored