The chromium fixes the copper and arsenic to the wood. CCA can be separated into Type A, B, or C depending upon the relative proportions of metals (table I-1). The relative proportions range from 35-65%, 16-45%, 18-20% for chromium, arsenic, and copper, respectively.
The Civil Rights Act of 1964 ended racial segregation and outlawed most forms of discrimination in the workplace, schools, public facilities and separate requirements based on racialized distinctions, such as discriminatory voter registration requirements. The Civil Rights Act also clarified some of the rights of women.
In the North, while legislation combated segregation, African Americans were still kept separate and apart from whites.In contrast with the South, in the late 1880s and early 1890s, Indiana, Nebraska, Ohio, Michigan, Massachusetts, Pennsylvania, Rhode Island, and New York all adopted laws that prohibited racial discrimination in public facilities.