<h1>Suspension of Standard Input-Output Norms entry for methyl isobutyl ketone production effective 03-05-2024, specifies allowed input proportions</h1> Standard Input-Output Norms entry for a chemical product class has been suspended by public notice dated 03-05-2024. The schedule lists inputs and norms for producing methyl isobutyl ketone: 1 kg of the principal item corresponds with specified auxiliary inputs including 1.323 kg of acetone and 0.43 kg of palladium-loaded ion-exchange resin catalyst. The SION provides determinations of permissible input proportions for manufacturing resultant products and requires applicants to ensure that imported inputs correspond to those actually used or required in the exported product.