article_snippet: Without providing specific data, the plaintiffs said the plaintiffs analysis found inorganic arsenic "far in excess" of what's allowed in drinking water based on the EPA's standard for arsenic in drinking water: 10 parts per billion.
article_snippet: But the the EPA limit for water is based on total arsenic, including both organic and inorganic forms, leading some to question whether the EPA limit for water's the best basis for comparison.
article_snippet: the EPA's standard for arsenic in drinking water is set to protect consumers served by public water systems from the effects of long-term, chronic exposure to arsenic, the EPA spokeswoman Tara Johnson said in an email.
article_snippet: It's based on how much water people typically drink daily, which ranges from one to two liters, EPA spokeswoman Tara Johnson said.
article_snippet: Thus, both the amount and period of exposure are different and would require separate analyses," EPA spokeswoman Tara Johnson said.