9 Terms
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Pesticides
Any chemical or substance used to kill or inhibit the growth of pests that damage or interfere with the growth of crops, shrubs, tress, timber and other vegetation useful to humans.
Industry: Agricultural chemicals
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Pesticides
first draw
Agricultural chemicals; Pesticides
The water that comes out when a tap is first opened, likely to have the highest level of lead contamination from plumbing materials.
fix a sample
Agricultural chemicals; Pesticides
A sample is "fixed" in the field by adding chemicals that prevent water quality indicators of interest in the sample from changing before laboratory measurements are made.
fixed-location monitoring
Agricultural chemicals; Pesticides
Sampling of an environmental or ambient medium for pollutant concentration at one location continuously or repeatedly.
flammable
Agricultural chemicals; Pesticides
Describes any material that can be ignited easily and that will burn rapidly.
flash point
Agricultural chemicals; Pesticides
The lowest temperature at which evaporation of a substance produces enough vapor to form an ignitable mixture with air.
floc
Agricultural chemicals; Pesticides
A clump of solids formed in sewage by biological or chemical action.
flocculation
Agricultural chemicals; Pesticides
Process by which clumps of solids in water or sewage aggregate through biological or chemical action so they can be separated from water or sewage.
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