CHMM Storage 2

Question 1

Under 40 CFR Part 264, what is the maximum time a large quantity generator (LQG) may accumulate hazardous waste on-site without a storage permit?

Accepted Answer

90 days

Answer

LQGs may accumulate hazardous waste on-site for up to 90 days without a RCRA storage permit under 40 CFR 262.17.

Question 2

Which NFPA standard specifically addresses the storage of flammable and combustible liquids in buildings and other structures?

Accepted Answer

NFPA 30

Answer

NFPA 30 is the Flammable and Combustible Liquids Code, which governs their storage in buildings and tanks.

Question 3

A satellite accumulation area (SAA) under RCRA allows accumulation of hazardous waste at or near the point of generation with a maximum container limit of:

Accepted Answer

55 gallons of hazardous waste or 1 quart of acutely hazardous waste

Answer

SAAs are limited to 55 gallons of hazardous waste or 1 quart of acute hazardous waste per 40 CFR 262.15.

Question 4

When storing incompatible hazardous chemicals, what is the primary hazard that separation is intended to prevent?

Accepted Answer

Dangerous reactions such as fire, explosion, or toxic gas release

Answer

Separating incompatible chemicals prevents violent reactions including fires, explosions, and generation of toxic gases.

Question 5

Under DOT regulations, which class of placards is required on a transport vehicle carrying hazardous materials in storage awaiting shipment?

Accepted Answer

Placards are only required once materials are loaded onto a vehicle

Answer

DOT placarding requirements apply to vehicles during transport; once materials are unloaded into storage, transport placarding rules no longer apply.

CHMM - Certified Hazardous Materials Manager Practice Test

CHMM - Certified Hazardous Materials Manager Practice Test

CHMM Storage 2