Delta Delta FLC‐42 AFCO 8093 is a concentrated, liquid oxygen cleaner, formulated for use on areas known to contain Listeria or spoilage microorganisms that facilitates the removal of tough soils. Delta is specially designed to work with AFCO 8094 Squad FLC‐43. Delta is acceptable for use in all departments of poultry, fish meat, and general food processing plants and will not harm beneficial wastewater microbial populations under normal conditions of use.