Die Casting Environmental Issues

The Die Casting Environmental Management Manual is a document containing a wealth of information presented in a concise fashion on waste water, storm water, fuel oil, used oil, hazardous waste, toxic chemicals, and air emissions management. Applicable regulations are cited, typical discharge standards are shown, and the technologies or systems that can be used to meet the standards are described. General guidance for reporting and example calculations is also provided.

In addition, this document includes information about the ISO 14001 Standard and the benefits of registration as well as the “Top 15 Ideas” for reducing environmental costs in a die casting facility.

The Die Casting Environmental Management Manual is an extensive expansion and update of the previously published NADCA Environmental Issues document and is a valuable environmental resource for all die casters.

TABLE OF CONTENTS

A. WASTEWATER MANAGEMENT

A.1 NADCA Pollution Prevention Survey
A.2 Categorical Pretreatment Standards
A.3 Pretreatment Standards for Die Casting Wastewaters
A.3.1 BOD/COD
A.3.2 Total Phenols (4-AAP Total Phenols)
A.3.3 Oil & Grease
A.3.4 Zinc
A.3.5 PCBs
A.4 Pretreatment of Die Casting Wastewaters
A.4.1 Oil/Water Separation
A.4.2 Dissolved Air Flotation
A.4.3 Chemical Demulsification, Coagulating and Flocculation
A.4.4 Chemical Oxidation
A.4.5 Chemical Reduction and Precipitation
A.4.6 Membrane Technologies
A.4.7 Biological Treatment Systems
A.4.8 Filtration

B. STORM WATER MANAGEMENT

B.1 Storm Water Pollution Prevention Plan

C. OIL AND HAZARDOUS WASTE MANAGEMENT

C.1 Used and Virgin Oil
C.1.1 PCBS in Oil
C.2 Hazardous Waste Management
C.3 Pollution Prevention (Waste Minimization) Programs

D. SARA III-Emergency Planning and Community Right to Know Act (EPCRA)

D.1 SARA 312-Tier II Forms
D.2 SARA 313-Toxic Chemicals Release Inventory
D.2.1 Fume or Dust

E. AIR EMISSIONS

E.1 Title V
E.1.1 Steps for Managing Title V Permit Requirements
E.2 New Source Review (NSR)
E.2.1 Prevention of Significant Deterioration (PSD)
E.2.2 Nonattainment New Source Review
E.3 Hazardous Air Pollutant Standards (HAPS)
E.3.1 National Emission Standards for Hazardous Air Pollutants (NESHAPS)
E.3.2 Air Toxics-Maximum Available Control Technology (MACT)

F. ISO 14001 FOR THE DIE CASTING INDUSTRY

F.1 Comparison of ISO 14001 to ISO 9001

BIBLIOGRAPHY