| ABSORBS | 1200 L/day | Sand Filter - sand - non-calcareous; D10 of between 0.25 - 1.1mm; UC <4.0. a) BOD5<10; TSS<10; Total N (ave.49mg/L) = 21% reduction; Total P (ave. 6.3mg/L) = 30% reduction. | Advanced Secondary | None | Certified septic tank, with baffle and outlet filter (Test tank 3100L with additional 900L pump chamber. | 6 months or as required by inspection. (septic desludge every 4 years) | 27 Feb 2024 |