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...Sheet instructions introduction this spreadsheet can be used to calculate and document the analyst initial demonstration of capability idc for grab sample method chlorine analysis required by epa it consists tabs blank form example pass fail dilutions assesses accuracy precision analytical technique per must completed each person who conducts prior using compliance monitoring or verify online analyzers three steps a determine degree interference reagent five replicates single concentration prepared primary standard calculations uses grade water ideally organicfree chlorinedemandfree as following all in chosen complete any measured is attributable from prepare diluted at that falls within range selected see tab more information then measures samples treating discreet demonstrations these are through series percent difference average calculated plusmn reference relative deviation le set up if both acceptance criteria met has passed begin use measurements record data important only blue s...