grab sample

(c) "grab sample" means a discrete individual sample taken within a period of time of less than fifteen minutes.
PU(A) 434/2009 - ENVIRONMENTAL QUALITY (INDUSTRIAL EFFLUENT) REGULATIONS 2009
16. Methods of analysis and sampling of industrial effluent or mixed effluent

grab sample

(c) "grab sample" means a discrete individual sample taken within a short period of time of less than fifteen minutes.
PU(A) 433/2009 - ENVIRONMENTAL QUALITY (CONTROL OF POLLUTION FROM SOLID WASTE TRANSFER STATION AND LANDFILL) REGULATIONS 2009
15. Method of analysis and sampling of leachate

grab sample

(c) "grab sample" means a discrete individual sample taken within a period of time of less than 15 minutes.
PU(A) 432/2009 - ENVIRONMENTAL QUALITY (SEWAGE) REGULATIONS 2009
9. Method of analysis and sampling of sewage