Word: thm
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Although the outcry against trihalomethane (THM) levels in Cambridge water has quieted down since last spring, the city's water department has not abandoned efforts to improve Cantabrigians' water supply...
According to Cusack, THM levels have remained at around 40-50 ppb over the past three months. He credited the recent completion of a cover over the city's reservoir as a major factor in the improvement...
Mayor Alice K. Wolf said concern among Cambridge residents about the chemicals had prompted her to question the size of the $950,000 appropriation. "I wanted to make sure we were doing enough [to maintain low THM levels]," she said...
Last January, the Cambridge Water Department sent letters to customers notifying them that THM levels in the water from July 1988 through December 1989 exceeded Environmental Protection Agency limits. Duehay criticized the department for sending the letters a full six months after the first violation occurred, and also for the confusing wording used in the correspondence...
...That [the low THM level] makes sense because we've been making some changes in the water system," said Cusack, "We are happy to hear those results...