notice of modification to the list of permitted food additives with other generally accepted uses to enable the use of sodium tripolyphosphate or sodium hexametaphosphate singly a combination of sodium hexametaphosphate and sodium carbonate and a combination of sodium tripolyphosphate sodium acid pyrophosphate and sodium pyrophosphate tetrabasic in frozen squid - document reference number nom adm-0013 health canadas food directorate completed a detailed safety assessment of a food additive seeking approval for the use of sodium tripolyphosphate or sodium hexametaphosphate singly a combination of sodium hexametaphosphate and sodium carbonate and a combination of sodium tripolyphosphate sodium acid pyrophosphate and sodium pyrophosphate tetrabasic to reduce thaw dri in added frozen squid. health canada previously approved the use of these food additive in other food applications described in the list of permitted food additives with other generally accepted uses. as no safety concerns were raised through this assessment and since these food additives are already approved for use in other foods in canada the department has enabling their use as described in the information document below by updating the list of permitted food additives with other generally accepted uses effective july 11 2013. the purpose of this communication is to publically announce the departments decision in this regard and to provide the appropriate contact information for any inquiries or for those wishing to submit any new scientific information relevant to the safety of these food additives. health canadas food directorate is committed to reviewing any new scientific information on the safety in use of any food additive including sodium tripolyphosphate sodium hexametaphosphate sodium acid pyrophosphate sodium pyrophosphate tetrabasic or sodium carbonate. anyone wishing to submit new scientific information on the use of this additive or to submit any inquiries may do so in writing by regular mail or electronically