EH&S – Hazardous Waste Management Manual, App S, Discharge Limits

SEWER WASTEWATER DISPOSAL LIMITS
New Mexico State University 82211

ATTACHMENT III*

Limits on Wastewater Strength*

Total Metal, May Not Exceed Any One Day (mg/L)
Aluminum  (Al)  8.84
Arsenic  (As)  0.06
Cadmium  (Cd)  0.28
Chromium  (Cr)  0.32
Copper  (CU)  1.06
Lead  (Pb)  1.47
Mercury  (Hg)  0.0002
Nickel  (N) 0.58
Silver  (Ag)  0.50
Zinc  (Zn)  20.60
Total Cyanide mg/L  (Cn)  0.15
Other Parameters May Not Exceed at Any Time
Maximum  pH  12.5
Minimum  pH  5.0
Maximum Temperature,  C  60.0

*New Local Limits as Approved by the City of Las Cruces Council on July 17,2000.

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