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NYC-WTC_000206879

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NYC 9/11 Public Portal Document

NEW YORK CITY DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF WASTEWATER TREATMENT

LIMITATIONS FOR EFFLUENT TO STORM SEWERS

Parameter Daily Limit Units Sample Type Monthly Limit

Oil & Grease 15 mg/1 Instantaneous

pH (range) 6.5-8.5 SU’S Instantaneous

Benzene 134 PPb Instantaneous 57

Ethylbenzene 380 PPb Instantaneous 142

Toluene 74 ppb Instantaneous 28

Xylenes ( Total) 74 Ppb Instantaneous 28

Temperature <150 degrees F Instantaneous Cadmium 2 mg/1 Instantaneous 0.69 mg/1 Composite

Chromium (VI) 5 mg/1 Instantaneous

Copper 5 mg/1 Instantaneous

Lead 2 mg/1 Instantaneous

Mercury 0.05 mg/1 Instantaneous

Nickel 3 mg/1 Instantaneous Zinc 5 mg/1 Instantaneous Flash Point >140 degrees F Instantaneous Total Suspended Solids No Limit Instantaneous PCB’s( Total)* 1 PPb Composite Pere (Tetrachloroethylene) 20 PPb Instantaneous MTBE (Methyl-Tert- 10 PPb Instantaneous 10 Butyl-Ether) Naphthalene 47 PPb Composite 19 Other

* Analysis for PCB’s are requested only if both conditions listed below are met: 1) if proposed discharge> 10,000 gpd; 2) if duration of a discharge >10 days. Analysis for PCB’s must be done by method 608 by ERA only with MDL=65 ppt

CITY_21MC100_003012972

NYC-WTC_000206879

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NYC-WTC_000206879Source: NYC Law Department, mirrored locally

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