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. Author manuscript; available in PMC: 2018 Nov 21.
Published in final edited form as: Environ Sci Technol. 2017 Nov 7;51(22):13450–13460. doi: 10.1021/acs.est.7b04269

Figure 2.

Figure 2

(a) The percent of repeat violators, (b) 3-year moving average length of time a system was in violation, and (c) the distribution of the maximum consecutive years systems are in violation.