La. Admin. Code tit. 33 § VII-3009

Current through Register Vol. 50, No. 9, September 20, 2024

Section VII-3009 - Vector Attraction Reduction- Appendix E

Vector Attraction Reduction

A. When final compost is applied to a lawn or home garden, follow one of the requirements from Paragraphs C.1-3 listed below.

B. When final compost is applied to agricultural land, forest, a public contact site, or a reclamation site, follow one of the requirements from Paragraphs C.1-4 listed below.

C. Vector Attraction Reduction Requirements

1. The specific oxygen uptake rate (SOUR) for final compost treated in an aerobic process shall be equal to or less than 1.5 milligrams of oxygen per hour per gram of total solids (dry weight basis) at a temperature of 20°C.

2. Final compost shall be treated in an aerobic process for 14 days or longer. During that time, the temperature of the composting material shall be higher than 40°C and the average temperature of the composting material shall be higher than 45°C.

3. The pH of composting material shall be raised to 12 or higher by alkali addition and, without the addition of more alkali, shall remain at 12 or higher for two hours and then at 11.5 or higher for an additional 22 hours.

4. Final compost applied to the land surface shall be incorporated into the soil within six hours after application to the land, unless otherwise specified by the permitting authority. When final compost incorporated into the soil meets the conditions described in LAC 33:VII.3009.Appendix E.1, the final compost shall be applied to the land within eight hours after being discharged from the pathogen treatment process.

La. Admin. Code tit. 33, § VII-3009

Promulgated by the Department of Environmental Quality, Office of the Secretary, Legal Affairs Division, LR 33:1119 (June 2007).

AUTHORITY NOTE: Promulgated in accordance with R.S. 30:2074(B)(3)(e).

NOTE: Former § 3009. Appendix E has moved to § 3007. Appendix D.2.