This specification covers poly(vinyl chloride) (PVC) profile wall perforated and non-perforated pipe and fittings@ 100 to 1200 mm (4 to 48 in.) nominal inside diameter@ for use in non-pressure storm drains@ culverts@ underdrains@ and other subsurface drainage systems providing either soiltight or watertight joints. Industrial waste disposal lines should be installed only with the specific approval of the governing code authority since chemicals not commonly found in drains and temperatures in excess of 60?C (140?F) may be encountered. Pipe and fittings produced to this specification should be installed in accordance with ASTM D 2321 and the manufacturer's recommendation. Units??The values stated in SI units are to be regarded as standard. Within the text@ the U.S. customary units are shown in parentheses for informational purposes@ and may not be exact equivalents. The following precautionary caveat pertains only to the test method portion@ Section 8@ of this specification. This standard does not purport to address the safety concerns associated with its use. It is the responsibility of whoever uses this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.