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.
Civil Rights Act 1964. federal law that made segregation illegal in most public places, increased penalties and sentences for those convicted of discrimination in employment, and withheld federal aid form schools that discriminated on the basis of race or gender.