Con Edison contact information sheet, Sep 2001

NYC 9/11 Public Portal Document

OVERALL HAZARD EVALUATION

Task I Site Reconnaissance () High () Medium (x) Low ( ) Unknown Task 2 Installation of Soil Borings () High () Medium (x) Low ( ) Unknown Task 3 Installation of Monitoring Wells ( ) High ( ) Medium (x) Low ( ) Unknown

Justification: High - Exposure hazard justifies level A or B PPL. Medium - Exposure hazard justifies Level C PPL. Low - Exposure hazard justifies Level D PPL. Unknown - Knowledge of existing hazards insufficient to determine proper level of protection. Use most conservative PPL (A or B) until site reconnaissance completed.

Con Edison Hazardous Analysis that have been completed by JWC are Provided in Appendix B.

PROTECTIVE CLOTHING

Task I Site Reconnaissance Task 2 Installation of Soil Borings Task 3 Installation of Monitoring Wells

Protection Level: () A () B ()C (x) D (x) Modified

Respiratory: ( ) Not needed Protect. Clothing: ()Not needed Boots: ()Not needed

( ) SCBA, Airline: ( ) Encapsulated Suit: (x) Boots: steel toe required (x) APR: * ( ) Splash Suit: ( ) Overboots: ( ) Cartridge: ( ) Apron: ( ) Escape Mask: (x) Tyvek Coverall** ( ) Other (specify below) ( ) Other: ( ) Saranex Coverall ( ) Coverall: ( ) Other: * If PID readings in breathing zone exceed 5 ppm, then PPE shall be upgraded to Level C PPE including APR ** If visual or olfactory evidence of contamination is encountered during any of the tasks listed above then Tyvek coveralls will be donned by drilling personnel.

Head, Eye, and Ear: ( ) Not needed Gloves: () Not needed

(x) Safety Glasses: ( ) Undergloves: ( ) Face Shield: (x) Gloves: - Nitrile ( ) Goggles: ( ) Overgloves: (x) Ear Plugs: ( ) Other: (x) Hard Hat: color can not be blue or white ( ) Other:

Comments: Respirator users must be clean. Respirators should be rinsed and sanitized after each use (see Personnel Decontamination Procedures section). Respirator cartridges should be changed at least once a day or when breakthrough occurs. Refer to Table I for breakthrough characteristics of specific site contaminants.

7 WTC HASP 8

NYC-WTC 000165908