44-25 Exhibit B-Complete - VI Letter Report - DPW West Orange - April 2023.pdf

Part III – Indoor Contaminant Sources Identify all potential indoor sources found in the building (including attached garages), the location of the source (floor and room), and whether the item was removed from the building 48 hours prior to indoor air sampling event. Any ventilation implemented after removal of the items should be completed at least 24 hours prior to the commencement of the indoor air sampling event. Potential Sources Location(s) Removed (Yes / No / NA) Gasoline storage cans garages garages Gas-powered equipment Kerosene storage cans Moth balls Air fresheners Fuel tank (inside building) Wood stove or fireplace New furniture / upholstery New carpeting / flooring garages, office storage space Hobbies - glues, paints, etc. LIST OTHER IMPORTANT SOURCES IDENTIFIED: ammonia solution (diazo machine) offices - utility/storage room motor oils, waste oils garages garages grease, lubricating agents garages hydraulic, transmission, brake fluids garages welding equipment NA NA NA No No Part IV – Miscellaneous Items Do any occupants of the building smoke? Yes / No Last time someone smoked in the building? How often? ______________ 20+ years ____________ hours / days ago Does the building have an attached garage directly connected to living space? Yes / No Office/garage sapces cars, trucks, & directly connected If so, is a car usually parked in the garage? Yes / No heavy equipment Are gas-powered equipment or cans of gasoline/fuels stored in the garage? Yes / No Do the occupants of the building have their clothes dry cleaned? If yes, how often? Yes / No Unknown weekly / monthly / 3-4 times a year Do any of the occupants use solvents in work? Yes / No If yes, what types of solvents are used? _______________________________________ vehicle/equipment maintenance (degreasers, cleaners, etc.) If yes, are their clothes washed at work? Yes / No Has painting or staining been done in the building in the last 6 months? If yes, when __________________ Yes / No and where? ____________________________ D-2