{"Year":"1","Sampling.Period":"Background","Arsenic.ppb":12.6}
{"Year":"1","Sampling.Period":"Background","Arsenic.ppb":30.8}
{"Year":"1","Sampling.Period":"Background","Arsenic.ppb":52}
{"Year":"1","Sampling.Period":"Background","Arsenic.ppb":28.1}
{"Year":"2","Sampling.Period":"Background","Arsenic.ppb":33.3}
{"Year":"2","Sampling.Period":"Background","Arsenic.ppb":44}
{"Year":"2","Sampling.Period":"Background","Arsenic.ppb":3}
{"Year":"2","Sampling.Period":"Background","Arsenic.ppb":12.8}
{"Year":"3","Sampling.Period":"Background","Arsenic.ppb":58.1}
{"Year":"3","Sampling.Period":"Background","Arsenic.ppb":12.6}
{"Year":"3","Sampling.Period":"Background","Arsenic.ppb":17.6}
{"Year":"3","Sampling.Period":"Background","Arsenic.ppb":25.3}
{"Year":"4","Sampling.Period":"Compliance","Arsenic.ppb":48}
{"Year":"4","Sampling.Period":"Compliance","Arsenic.ppb":30.3}
{"Year":"4","Sampling.Period":"Compliance","Arsenic.ppb":42.5}
{"Year":"4","Sampling.Period":"Compliance","Arsenic.ppb":15}