Выражение встречается в следующем контексте:
Accidental release measures
Depending on the substance or preparation involved, information may be needed on:
- personal precautions such as...
- environmental precautions such as...
- methods for cleaning up such as:
use of absorbant material (e. g. sand, diatonic soil, acid binder, universal binder, sawdust. . .) reduction of gases/fumes with water, dilution.

весь текст тут : http://www.efma.org/publications/guidance/section20.asp
пункт 6

Заранее спасибо

imo