THE LOWDOWN ON DDT
Many DDT products contain as little as 1/100 of 1 per cent, of this powerful bug killer, scientists said last month. An effective solution must have at least 5 per cent. As a step first in its drive against firms selling diluted DDT, the U.S. Department of Agriculture, unlike Australia, has demanded that all powders and sprays bear correct labels. At the same time, the scientists of the department issued recommnedations for home use:— Here are scientists’ recommendations for home use:—
Flies and mosquitoes: A 5 per cent, solution of DDT sprayed on walls, doors, screens, celings and lamp cords will keqp its killing power for several weeks.
Bedbugs: Apply a 5 per cent, spray or 10 per cent, powder to mattresses and beds. One and one-half ounces of 10 per cent, powder will immunise a bed for six months.
Ants: A 5 per cent. DDT kerosene mixture sprayed around baseboards, sills, sinks, tables and shelves will remain effective for several weeks.
Cockroaches: A 10 per cent, powder put in their hiding places will destroy these pests after a week. Fleas: Dust sleeping places of cats and dogs with a 10 per cent, powder.
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https://paperspast.natlib.govt.nz/newspapers/BPB19470108.2.6
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Bay of Plenty Beacon, Volume 10, Issue 70, 8 January 1947, Page 2
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198THE LOWDOWN ON DDT Bay of Plenty Beacon, Volume 10, Issue 70, 8 January 1947, Page 2
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