Charla Hillaryla_rampla · CAContactEmailcharla.hillary@lacity.orgPhone+1 310-648-5167Title—Type—Open solicitationsLIQUID AMMONIUM SULFATEla_ramplaCADue Jul 28, 2026LO CAT CATALYST, MFR.: MERICHEMla_ramplaCADue Jul 21, 2026