HC Deb 21 April 1999 vol 329 c581W
Mr. Flynn

To ask the Secretary of State for the Home Department what was the proportion of amphetamines seized in the last 12 months for which figures are available, with a degree of purity of(a) less than 5 per cent., (b) 5 to 10 per cent., (c) 10 to 20 per cent., (d) 20 to 30 per cent., (e) 30 to 40 per cent., (f) 40 to 50 per cent., (g) 50 to 60 per cent., (h) 60 to 70 per cent. and (i) 70 per cent. and above; and what quantity was seized in each band. [79901]

Purity of amphetamines submitted for analysis to the Forensic Science Service by police and Customs, for specific bands, 1997
Percentage purity Number of seizures Police Percentage of FSS total Quantity seized (grams) Number of seizures Customs Percentage of FSS total Quantity seized (grams)
Less than 5 553 36 2 10 4.6
5–9 371 24 2 10 0.6
10–19 254 17 2 10 678
20–29 159 10 3 14 20,517
30–39 85 6 3 14 52,964
40–49 51 3 3 14 165,145
50–59 28 2 1 5 95,500
60–69 34 2 2 10 19,856
70 and over 4 less than 1 3 14 14,708
Total submitted to FSS 1,539 100 21 100 369,373
UK total 19,429 2,260,600 146 935,100

Sources:

Forensic Science Service; and Home Office Research, Development and Statistics Directorate (UK totals)