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.
Racial segregation became the law in most parts of the American South until the American Civil Rights Movement. These laws, known as Jim Crow laws, were similar to apartheid legislation in the forced segregation of facilities and services to African Americans and White Americans, and prohibition of intermarriage.