What is RQ substance?

The reportable quantity or “RQ” for a hazardous substance is the amount of the material that, if released, requires immediate reporting to the National Response Center (NRC).

What does RQ stand for in hazmat?

Column 2 of TABLE 1, entitled “Reportable quantity (RQ)”, contains the reportable quantity (RQ), in pounds and kilograms, for each hazardous substance listed in Column 1 of TABLE 1. 5. A series of notes is used throughout TABLE 1 and TABLE 2 to provide additional information concerning certain hazardous substances.

What is RQ EPA?

The RQ identifies the quantities of substances that if released require notification and sets forth the notification requirements for releases of these substances. The CERCLA List of Hazardous Substances and their RQs are found in 40 CFR part 302, Table 302.4Exit Exit EPA website.

What is reportable quantity list?

What Are Reportable Quantities When Talking About Hazardous Substances? The reportable quantities of a hazardous substance is the amount of that substance that has to be released before the EPA requires notification to go to the National Response Center. These quantities are based on volume.

What is the RQ for benzene?

Each substance in Table 117.3 that is listed in Table 302.4, 40 CFR part 302, is assigned the reportable quantity listed in Table 302.4 for that substance….40 CFR § 117.3 – Determination of reportable quantities.

Material	Category	RQ in pounds (kilograms)
Benzene	A	10 (4.54)
Benzoic acid	D	5,000 (2,270)
Benzonitrile	D	5,000 (2,270)
Benzoyl chloride	C	1,000 (454)

What is the RQ for diesel fuel?

25 gallons
Diesel fuel/Petroleum products/Used Oil – spilled or discharged onto land the RQ is 25 gallons; spilled or discharged into water in the state the RQ is quantity sufficient to create sheen. Sodium Hypochlorite (pool) – The RQ is 100 lbs. Hazardous Waste Storage Area Bulked Solvents – The RQ is 1 lbs.

What is the RQ for lead?

For convenience, the table contains a column headed “Category” which lists the code letters “X”, “A”, “B”, “C”, and “D” associated with reportable quantities of 1, 10, 100, 1000, and 5000 pounds, respectively….40 CFR § 117.3 – Determination of reportable quantities.

Material	Category	RQ in pounds (kilograms)
Kepone	X	1 (0.454)
Lead acetate	A	10 (4.54)

What is the RQ for formaldehyde?

10
The Reportable Quantity (RQ) value of 1, 10, 100, 1000 or 5000 pounds is used to determine the quantity of a hazardous substance for which notification is required in the event of a release as specified by CERCLA based on chronic toxicity. The RQ value for formaldehyde is 10.

Does Diesel have an RQ?

Diesel fuel/Petroleum products/Used Oil – spilled or discharged onto land the RQ is 25 gallons; spilled or discharged into water in the state the RQ is quantity sufficient to create sheen. Sodium Hypochlorite (pool) – The RQ is 100 lbs. Hazardous Waste Storage Area Bulked Solvents – The RQ is 1 lbs.

What chemicals must be reported on Tier II?

A: Chemicals reportable under the EPCRA Section 312 Tier II requirements include any substance for which a facility must maintain a Material Safety Data Sheet (MSDS) or Safety Data Sheet (SDS) under the OSHA Hazard Communication Standard (29 CFR 1910). Over 500,000 products are required to have a MSDS/SDS.

What is the reportable quantity for chlorine?

Chlorine and sodium hypochlorite are on the list of chemicals appearing in “Toxic Chemicals Subject to Section 313 of the Emergency Planning and Community Right-to-Know Act of 1986″ and has been assigned a reportable quantity (RQ) limit of 10 and 1 pounds, respectively (EPA 2007e).

What is the RQ for sulfuric acid?

1000 lbs
The reportable quantity (RQ) for sulfuric acid is 1000 lbs (454 kg) while the reportable quantity for unlisted waste code D002 is 100 lbs (45.4 kg).

What is reportable quantity for oil?

If spilled on land, oil is reportable if it exceeds 42 gallons. For other chemicals, the Superfund list and reportable quantities is used.

What is reportable quantity of diesel?

Diesel fuel/Petroleum products/Used Oil – spilled or discharged onto land the RQ is 25 gallons; spilled or discharged into water in the state the RQ is quantity sufficient to create sheen.

What is the RQ for sodium hypochlorite?

10 and 1 pounds
Chlorine and sodium hypochlorite are on the list of chemicals appearing in “Toxic Chemicals Subject to Section 313 of the Emergency Planning and Community Right-to-Know Act of 1986″ and has been assigned a reportable quantity (RQ) limit of 10 and 1 pounds, respectively (EPA 2007e).

Does gasoline have a reportable quantity?

Petroleum products are generally reportable in gallons. Gasoline is reportable at 10 gallons. There are also reportable concentrations when hazardous materials or oil are found in groundwater or soil (Mass Regs.

What is the difference between Tier 1 and Tier 2 reporting?

Tier I contains general information on hazardous chemicals at a facility, and Tier II contains specific information on hazardous chemicals present at the facility. The Tier II forms must be submitted annually on March 1st and sent to: Your State Emergency Response Commission. Your Local Emergency Planning Committee.

What is the RQ for hazardous substances?

DOT lists hazardous substances in Appendix A to the 49 CFR 172.101 Hazmat Table. The appendix lists each hazardous substance with its corresponding reportable quantity in pounds and kilograms. The RQ for a material can be as low as one pound or as high as 5,000 pounds.

What are the RQS and why are they important?

By adjusting the RQs, EPA is able to focus its resources on those releases that are more likely to pose potential threats to public health or welfare or the environment.

What are the RQ levels for carcinogenicity?

For hazardous substances evaluated for potential carcinogenicity, each substance is assigned a hazard ranking of “high,” “medium,” or “low,” corresponding to RQ levels of 1, 10, and 100 pounds, respectively.

What are statutory RQS?

Statutory RQs are often those set provisionally by Congress (usually at one pound), pending detailed scientific analysis by EPA and adjustment through notice and comment rulemaking. They often do not reflect the relative hazard posed to public health and the environment.