@article {1662,
	title = {Plain English guide to the EPA part 503 biosolids rule},
	year = {1994},
	url = {https://www.epa.gov/sites/production/files/2018-12/documents/plain-english-guide-part503-biosolids-rule.pdf},
	author = {U.S. Environmen EPA)}
}
@article {1663,
	title = {Technology: Control of Pathogens and Vector Attraction in Sewage Sludge},
	year = {2003},
	url = {https://www.epa.gov/biosolids/control-pathogens-and-vector-attraction-sewage-sludge},
	author = {U.S. Environmen EPA)}
}
