Sewage Sludge Rules
40 CFR Parts 257, 403 and 503 / searchable copy
This EPA Policy does not claim to comply with section 405(d) of the CWA, nor is there any requirement for anyone to
comply with any federal rule or law as it is in part 258.
PART 503.4 Relationship to other regulations.
40 CFR Part 257 et al. Standards for the Use or Disposal of Sewage Sludge; Final
Federal Register / Vol. 58, No. 32 / Friday, February 19, 1993 / Rules and Regulations, Page 9248
403/503 TOXIC POLLUTANT REMOVAL CREDITS ALLOWED FOR LAND APPLICATION AND DISPOSAL IN
BIOSOLIDS are much higher than hazardous waste numbers.
See page 110 of A Guide to the part 503 Risk assessment
No risk assessment for chemicals, pathogens and did not consider metals to cause cancer.
Pollutant limits when disposed of as a fertilizer/biosolids (applied to land)
Pollutant Concentrations_Active Sewage Sludge Unit Without a Liner and Leachate Collection (placed on land)
Five metals are carcinogenic when inhaled (1989) proposed part 503
Twenty-five families of pathogens in sludge (1989) Proposed part 503
1993 PREAMBLE TO THE 503 SLUDGE RULE ADMITS LACK OF SCIENCE
1995 EPA action which removed Chromium from the Sludge/biosolid Use Section of Part 503
1999 EPA APPROVES 100,000 PPM OF CHROMIUM IN LAND APPLIED SLUDGE/BIOSOLIDS
503_hazardous_waste.html SLUDGE/BIOSOLIDS AS A HAZARDOUS WASTE
503-Riskassessment.html Non-risk assessment for cancer causing hazardous metals in sludge
503_CERCLA_priority_list.html 2005 CERCLA Priority List of Hazardous Substances
503.23_Chromium.html Hexavalent Chromium is created by raising pH.
503_Food_poisoningl FOOD POISONING PARALLELS USE OF SLUDGE/BIOSOLIDS
503.13_arsenic.html Arsenic-- Evidence for Human Carcinogenicity
000_beryllium.html Beryllium is a metal that can be harmful when you breathe it.
503.13_cadmium.html high levels of cadmium can severely damage the lungs and may cause death
503.13_copper.html high intakes of copper can cause liver and kidney damage and even death.
503.13_inorganic__organic.html How can tin and tin compounds affect children?
503.13_lead.html Did you know the following facts about lead? EPA DOES!
503.13_manganese.html How can manganese affect children -- and you?
503.13_mercury.html Bacteria in soils and sediments convert mercury to methylmercury. In this form, it is taken up by
503.13_nickel.html chronic bronchitis, reduced lung function, and cancer of the lung and nasal sinus, have occurred in
503.13_selenium.html Dizziness, fatigue, and irritation of mucous membranes have been reported in people exposed to
000_thallium.html Thallium can affect your nervous system, lung, heart, liver, and kidney
503.13_zinc.html Inhaling large amounts of zinc (as zinc dust) can cause a specific short-term disease called metal