Some of the chemicals used in the processes described in these pages are moderately toxic, and all of them should be regarded as potentially harmful.

It is the responsibility of everyone who choses to work with hazardous materials to inform themselves in advance about the dangers, and to ensure that they take precautions to safeguard themselves, others, and the environment. Such information may be obtained online from the Materials Safety Data Sheets, or by consulting any reference manual on chemical safety.

The author of these pages hereby denies liability for any consequent damage, injury or loss resulting from the use of the information contained therein.