1.0 INTRODUCTION - Montana DEQ > Home

Calc Parameter ... The criteria used is 20% RPD for duplicate results greater than five times the MDL. Accuracy: Field Blanks. Field blanks consist of laboratory-grade deionized (DI) water, transported to the field, and poured into a prepared sample container. Blanks are prepared in the field at the same time as the routine samples, and will be ... ................
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