Equipment blank definition
Equipment blank means a sample of water which, prior to use, is known to be free of contaminants, and which is processed through the sampling equipment in the field in the same manner as the actual water sample to determine if field procedures intro- duce contaminants into the samples. This is also known as a “rinse blank” or a ”field equipment blank.”
Equipment blank means sample that is known not to laboratory to comply with the proficiency testing requirements of contain the target analyte and that is used to check the cleanliness this rule.
Equipment blank means a sample collected by passing laboratory−verified PFAS−free water over or through field sam- pling equipment before the collection of field samples to evaluate potential contamination from the equipment used during sam- pling.
More Definitions of Equipment blank
Equipment blank means sample that is known not to contain the target analyte and that is used to check the cleanliness of sampling devices, collected in a sample container from a clean sample-collection device and returned to the laboratory as a sample.