Stormwater Pollution Prevention Plan - Phoenix Sky Harbor ...

Non-mining MSGP 2010 General Permit
Benchmark values based on hardness and receiving waterbody
Water Hardness Range
(mg/L)
For discharges to
perennial and
intermittent
waterbodies
Lead
(mg/L)
Zinc
(mg/L)
For discharges to
ephemeral
waterbodies
Lead
(mg/L)
Zinc
(mg/L)
300-325 0.227 0.3181 0.4784 3.019
325-350 0.245 0.3387 0.5166 3.214
350-375 0.263 0.3591 0.5547 3.408
375-400 0.281 0.3793 0.5927 3.599
8.C.4 Effluent Limitations Based on Effluent Limitations Guidelines (See also Part 6.2.2.1.)
Table 8.C-2 identifies effluent limits that apply to the industrial activities described below. Compliance
with these effluent limits is to be determined based on discharges from these industrial activities
independent of commingling with any other wastestreams that may be covered under this permit.
Table 8.C-2 1
Industrial Activity Parameter Effluent Limitation
Runoff from phosphate fertilizer
manufacturing facilities that comes into
contact with any raw materials, finished
product, by-products or waste products
(SIC 2874)
1
Monitor annually.
Total Phosphorus (as P)
Fluoride
105 mg/L, daily maximum
35 mg/L,
30-day avg.
75.0 mg/L,
daily maximum
25.0 mg/L,
30-day avg.
Stormwater Discharges Associated with Industrial Activity – Sector C 40