Safety Standards & Hazardous Material Handling Flashcards

During implosion demolition prep, what is the FIRST step in sequencing explosive placement to ensure controlled progressive collapse?

Answer: Identify and target primary load-bearing columns and supports in a timed sequence

Controlled implosion requires targeting primary structural supports in a precisely timed sequence to direct the collapse inward and downward.

What is the regulatory requirement under NESHAP (40 CFR Part 61, Subpart M) regarding notification before demolishing a commercial building with friable asbestos?

Answer: Notify the state or local agency at least 10 working days before demolition

NESHAP requires written notification to the appropriate state or local agency at least 10 working days before demolition of any facility with regulated asbestos-containing material.

Which SDS section provides information on proper PPE selection for workers handling a hazardous demolition waste chemical?

Answer: Section 8 – Exposure Controls/Personal Protection

SDS Section 8 contains exposure limits, engineering controls, and specific PPE recommendations for handling the chemical safely.

A demolition project in a residential area must control fugitive dust emissions. Which EPA regulation provides the primary framework for dust emission controls at demolition sites?

Answer: PM10 and PM2.5 NAAQS under the Clean Air Act

The EPA's NAAQS standards for PM10 and PM2.5 particulate matter under the Clean Air Act provide the regulatory framework for controlling fugitive dust from demolition.

When using a hydraulic excavator with a shear attachment during steel structure demolition, what is the most critical safety concern regarding overhead hazards?

Answer: Falling steel members striking workers or equipment below the cut zone

Hydraulic shears cutting steel members create unpredictable falling hazards; establishing and enforcing a drop zone exclusion area beneath the cut is the primary safety requirement.

Under OSHA's Hazard Communication Standard (HazCom 2012), what labeling element on a container of demolition-related chemical waste must indicate immediate danger to health?

Answer: Signal word such as 'DANGER' or 'WARNING'

HazCom 2012 requires signal words ('DANGER' for severe hazards, 'WARNING' for less severe) to immediately alert workers to the level of health risk.

Which document must accompany the off-site shipment of hazardous demolition waste and must be retained by the generator for at least three years?

Answer: EPA hazardous waste manifest (Form 8700-22)

The EPA hazardous waste manifest (Form 8700-22) must accompany all hazardous waste shipments and be retained by the generator for a minimum of three years.