1.1 This specification covers acrylonitrile-butadiene-styrene (ABS) pipe produced by single extrusion in standard thermoplastic pipe dimension ratios and pressure rated for water (see Appendix X1). Included are criteria for classifying ABS This specification covers acrylonitrile-butadiene-styrene (ABS) pipe produced by single extrusion in standard thermoplastic pipe dimension ratios and pressure rated for water. Included are criteria for classifying ABS plastic pipe materials and ABS pla