4.1.1 The requirements in this section apply to pipes and pipe-related products and the water-contact
materials associated with these products. Pipe-related products include, but are not limited to, the
following items: fittings, couplings, flexible and rigid tubing, riser tubing, dip tubes, hoses, well casings,
drop pipes and well screens.
4.1.2 Coatings and other barrier materials requested to be evaluated on their own that are intended for
application to pipes or pipe-related products shall be evaluated under 5.
4.1.3 Individual ingredients of cement-based pipes and related products (including Portland and
blended hydraulic cement and admixtures) are evaluated under 5.
4.1.4 Products and materials intended to join or seal pipes or pipe-related products are evaluated under 6.