Pictures PRC Household Chemical Collection July 23, 2012 / 10:07 AM EDT / CBS News PRC Household Chemical Collection PRC Household Chemical Collection PRC Household Chemical Collection PRC Household Chemical Collection PRC Household Chemical Collection PRC Household Chemical Collection PRC Household Chemical Collection PRC Household Chemical Collection PRC Household Chemical Collection PRC Household Chemical Collection PRC Household Chemical Collection PRC Household Chemical Collection PRC Household Chemical Collection PRC Household Chemical Collection PRC Household Chemical Collection