70 Pa. Code § 23.110a
(a) Labeling. Each package of polyethylene sheeting, shall contain, on a surface visible to the public, the following information:
(b) Declaration of weight. The labeled statement of weight for polyethylene sheeting may not be less than the weight calculated by using the following formula:
W = T x A x 0.03613 x D, where W = Net Weight in Pounds T = Labeled thickness in inches A = Labeled length in inches times labeled width in inches D = Density in g/cm3 0.03613 = Conversion factor for density from g/cm3 to lb in3 .
The provisions of this § 23.110a issued under the Weights and Measures Act of 1965 (73 P. S. § § 1651—1692) (Transferred from 76 P. S. § § 100-1—100-42 in 1978).
The provisions of this § 23.110a adopted May 26, 1989, effective May 27, 1989, 19 Pa.B. 2254.