<h1>Suspension of standard input-output norms for cast basalt liner pipe; manufacturers must determine and comply with allowed input proportions</h1> Standard input-output norms for cast basalt liner pipe under engineering products have been suspended by the referenced public notice dated 03-05-2024. The prescribed norm lists 1 kg of finished cast basalt liner pipe corresponding to 1.1 kg of basalt rock. Applicants must determine and comply with the allowed proportions of inputs for manufacture and ensure that imported inputs match those actually used or required in the export product.