Table 1. Summary of Quantitative Results for CP-MIMS Standard Addition Analysis of 6-PPDQ in Fortified and Real Environmental Samples.

^aStormwater samples 1 and 2 were diluted gravimetrically with DI water prior to analysis (49.8- and 71.6-fold, respectively). Concentrations in the original samples were 5.54 and 5.58 μg/L, respectively.