By World Health Organization(WHO)
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Extra resources for Chemistry and Specifications of Pesticides (WHO Technical Report)
2. 2. 7. 10. 3. 6. 2. 6. 6. 2. 10. 4. 6. 2. 6. 9. 6. 7. Accepted as full specification, subject to the amendment proposed. 10 Diazinon CIPAC and manufacturers should be asked to modify the analytical method to use an alternative internal standard (aldrin specified). Methods are not available for impurities. 2. Impurities: limits for O,S-TEPP and S,S-TEPP content should be set relative to the active ingredient content. 7. 8. 3. 6. 5". 2. 7. 6. 6. 11 Dichlorvos WHO should review the specifications to take account of the chloral impurity specification.
These include high-temperature incineration, chemical treatment and specially engineered landfill. g. gas-phase chemical reduction and plasma energy pyrolysis). However, it is essential to select the disposal method on a case-bycase basis. The Committee made the following recommendations. 1. Prior to the registration of any new pesticide, the manufacturer should indicate a practical method of disposal. 2. WHO should encourage research into the development of costeffective methods for disposal of bulk quantities of unusable and unwanted public health pesticides.
The changes proposed should be circulated by WHO to industry for comment before final adoption. 2. Melting-point: a melting range should be specified. 2. 7. 8. 6. 2. 4. 6. 2. 6. 9. 6. 2. Accepted as full specification, subject to the amendment proposed. Concentrates at 5g/kg and 25g/kg (TK) — interim specification published in 1997 (2) Accepted as full specification. Baits at lOmg/kg and 50mg/kg (RB) — interim specification published in 1997 (2) Recommended for retention as interim specification because there is no accepted guideline for the specification of baits.