To help solve this problem, villagers were supplied with field test kits to ascertain the arsenic content of coals in the field before use in their unvented stoves. Thus, chili peppers dried over the unvented stoves were free from arsenic contamination. | To help solve this problem, villagers were supplied with field test kits to ascertain the arsenic content of coals in the field before use in their unvented stoves. Thus, chili peppers dried over the unvented stoves were free from arsenic contamination. |