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
Cadmium
(mg/L)
Lead
(mg/L)
Silver
(mg/L)
For discharges to ephemeral
waterbodies
Cadmium
(mg/L)
Lead
(mg/L)
Silver
(mg/L)
125-150 0.0117 0.100 0.0065 0.0338 0.2113 0.0065
150-175 0.0136 0.118 0.0084 0.0393 0.2492 0.0084
175-200 0.0154 0.136 0.0106 0.0447 0.2873 0.0106
200-225 0.0173 0.154 0.0130 0.0501 0.3255 0.0130
225-250 0.0192 0.172 0.0156 0.0555 0.3637 0.0156
250-275 0.0173 0.190 0.0183 0.0609 0.4020 0.0183
275-300 0.0210 0.209 0.0213 0.0663 0.4402 0.0213
300-325 0.0246 0.227 0.0244 0.0714 0.4784 0.0244
325-350 0.0266 0.245 0.0278 0.0770 0.5166 0.0278
350-375 0.0284 0.263 0.0312 0.0823 0.5547 0.0312
375-400 0.0302 0.281 0.0349 0.0876 0.5927 0.0349
8.K.6 Effluent Limitations Based on Effluent Limitations Guidelines (See also Part 6.2.2.1.)
Table 8.K-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.K-2 1
Industrial Activity Parameter Effluent Limitation
Biochemical Oxygen
Demand (BOD 5 )
220 mg/L, daily maximum
Discharges from hazardous
waste landfills subject to
effluent limitations in 40 CFR
Part 445 Subpart A (see
footnote).
Total Suspended
Solids (TSS)
Ammonia
Alpha Terpineol
Aniline
Benzoic Acid
Naphthalene
p-Cresol
Phenol
56 mg/L, monthly avg. maximum
88 mg/L, daily maximum
27 mg/L, monthly avg. maximum
10 mg/L, daily maximum
4.9 mg/L, monthly avg. maximum
0.042 mg/L, daily maximum
0.019 mg/L, monthly avg. maximum
0.024 mg/L, daily maximum
0.015 mg/L, monthly avg. maximum
0.119 mg/L, daily maximum
0.073 mg/L, monthly avg. maximum
0.059 mg/L, daily maximum
0.022 mg/L, monthly avg. maximum
0.024 mg/L, daily maximum
0.015 mg/L, monthly avg. maximum
0.048 mg/L, daily maximum
0.029 mg/L, monthly avg. maximum
Stormwater Discharges Associated with Industrial Activity – Sector K 51