Page 50 - California Stormwater Workshop Handouts

336X Nonferrous Foundries (Castings) Industrial General Permit Order
34XX Fabricated Metal Products (Except 3479)
3479 Coating and Engraving Cu; Zn
4953 Hazardous Waste Facilities Zn; N+N; Fe; Al
Zn; N+N
44XX Water Transportation NH3; Mg; COD; As; Cn; Pb;
45XX Air Transportation Facilities16 HG; Se; Ag
4911 Steam Electric Power Generating Facilities Al; Fe; Pb; Zn
BOD; COD; NH3
4953 Landfills and Land Application Facilities Fe
5015 Dismantling or Wrecking Yards
5093 Scrap and Waste Materials (not including source- Fe
separated recycling) Fe; Pb; Al
Fe; Pb; Al; Zn; COD

*Table 1 Parameter Reference Mg – Magnesium
N+N - Nitrate & Nitrite Nitrogen
Ag – Silver
NH – Ammonia
Al – Aluminum Ni – Nickel
P – Phosphorus
As – Arsenic Se – Selenium
BOD – Biochemical Oxygen Demand TSS – Total Suspended Solids
Cd - Cadmium Zn – Zinc
Cn – Cyanide Pb – Lead
COD – Chemical Oxygen Demand
Cu – Copper
Fe – Iron
Hg – Mercury

16 Only airports (SIC 4512-4581) where a single Discharger, or a combination of permitted facilities use more than

100,000 gallons of glycol-based deicing chemicals and/or 100 tons or more of urea on an average annual basis, are
required to monitor these parameters for those outfalls that collect runoff from areas where deicing activities occur.

Order 2014-0057-DWQ 42