NYC-WTC_000196022

NYC 9/11 Public Portal Document

NEW YORK CITY DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF WASTEWATER TREATMENT

LIMITATIONS FOR EFFLUENT DISCHARGE TO SANITARY OR COMBINED SEWERS

Project Name/Location WTC - South Projection Date: January 2,2001

Sample Treatment Parameter Limitations Units Note Results * Over / Under Required

Temperature <150 not measured

Total Petroleum Hydrocartwns 50 19.2 NO

pH 5-11 SU’s 8.09 NO

Cadmium 2 ppm Daily Avg. 0.69 ppm <0.05 NO

Chromium (total) 5 ppm <0.06 NO

Copper 5 PPn <0.05 NO

Lead 2 ppm <0.05 NO

Mercury 0.06 ppm <0.002 NO

Nickel 3 ppm <0.06 NO

Zinc 5 ppm <0.05 NO

Flash Point >140 DegF >140 NO

Benzene 134 PI* Method 602 <5 NO

Ethylbenzene 380 ppb Method 602 <5 NO

Toluene 74 PP*» Method 602 8 NO

Xylenes 74 PI* Method 602 <5 NO EPA method 608 only with PBC's (total) 1000 PP» MDL = 65ppt All below Detection Limit of 66 ppb

Total Suspended Solids No Umit 17 NO

Tetrachloroethylene 164 ppb <5 NO

MTBE 10 ppb 66 SS YES

Napthalene 47 PPi’ <5 No

Other PP^’

* Indicate test data origin Independent Testing Labs - College Point, NY - sample collected 12/1301

Grab sample from pump discharge

*• Analysis for PCB's are required ONLY if BOTH conditions listed below are met: 1) if proposed discharge > 10,000 gpd 2) if duration of a discharge > 10 days

CITY_2IMC16 0_0 0 303 7 311

NYC-WTC_000196022