Quest Diagnostics Inc
Quest Diagnostics's GHG Emissions Data Preview
In 2021, Quest Diagnostics completed a corporate carbon footprint assessment and publicly disclosed its greenhouse gas (GHG) emissions according to the GHG Protocol, covering Scope 1 (direct emissions from owned or controlled sources), Scope 2 (indirect emissions from purchased energy) and Scope 3 (indirect emissions across the value chain).
Quest Diagnostics has also provided a category-level breakdown for 6 out of 15 Scope 3 emissions categories, offering greater transparency into its value chain emissions.
| Metric (tCO2e) | 2021 | 2020 | 2019 | 2018 - 2017 |
|---|---|---|---|---|
Total Scope 1 | Copy restricted. Please purchase to unlock this data.  a | Copy restricted. Please purchase to unlock this data.  | Copy restricted. Please purchase to unlock this data. | 0000000 |
Total Scope 2 | ||||
Market-Based | Copy restricted. Please purchase to unlock this data.  a | Copy restricted. Please purchase to unlock this data. | Copy restricted. Please purchase to unlock this data. | 0000000 |
Location-Based | Copy restricted. Please purchase to unlock this data.  a | Copy restricted. Please purchase to unlock this data. | Copy restricted. Please purchase to unlock this data. | 0000000 |
Total Scope 3 | Copy restricted. Please purchase to unlock this data.  a | Copy restricted. Please purchase to unlock this data. | Copy restricted. Please purchase to unlock this data. | 0000000 |
Total Scope 1 Revenue Intensity (tCO2e/$M) | Copy restricted. Please purchase to unlock this data.  a | Copy restricted. Please purchase to unlock this data. | Copy restricted. Please purchase to unlock this data. | 0000000 |
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aVerified Sources Behind Quest Diagnostics’s Greenhouse Gas (GHG) Emissions Data
Every figure on this dashboard has a transparent audit trail. With Tracenable, each data point is traceable back to its original source, viewable directly inside our platform. Explore Quest Diagnostics’s data sources below and access millions more through our Disclosure Search.
Insights into Quest Diagnostics's Operational Emissions
In 2021, the total operational greenhouse gas (GHG) emissions of Quest Diagnostics amounted to 345,150 metric tons of CO2 equivalent. This figure includes both direct emissions from owned or controlled sources (Scope 1) and indirect emissions from purchased energy (Scope 2). a
Quest Diagnostics's Scope 1 Emissions Over Time
- Total Scope 1
- Year-over-Year Change
What are Quest Diagnostics's Scope 1 emissions?
In 2021, the total Scope 1 emissions of Quest Diagnostics were 238,910 metric tons of CO₂ equivalent (tCO₂e). a
What are Quest Diagnostics's Scope 2 emissions?
In 2021, Quest Diagnostics reported Scope 2 greenhouse gas (GHG) emissions of 107,948 tCO₂e using the market-based method and 106,240 tCO₂e using the location-based method. a
What methodology does Quest Diagnostics use for Scope 2 reporting?
In 2021, Quest Diagnostics reported its Scope 2 emissions using the market-based method and using the location-based method. a
Quest Diagnostics's Scope 2 Emissions Over Time
- Total Scope 2 Location-Based
- Total Scope 2 Market-Based
Insights into Quest Diagnostics's Value Chain Emissions
In 2021, Quest Diagnostics reported 24,827,156 metric tons of CO₂ equivalent (tCO₂e) of Scope 3 greenhouse gas (GHG) emissions, representing indirect emissions across its upstream and downstream value chain. a
The 2021 disclosure of Quest Diagnostics includes a breakdown across 6 of the 15 Scope 3 categories defined by the GHG Protocol, up from 0 in , reflecting improved emissions accounting practices and greater transparency across the company's value chain a
Quest Diagnostics's Scope 3 Emissions Over Time
- Total Scope 3
- Year-over-Year Change
What are Quest Diagnostics's Scope 3 emissions?
In 2021, Quest Diagnostics reported total Scope 3 emissions of 24,827,156 metric tons of CO₂ equivalent (tCO₂e). a
Approximately 100% of these emissions originated from upstream activities such as purchased goods and capital goods, while 0% came from downstream activities like product use, distribution, and end-of-life treatment. a
What categories of Scope 3 emissions does Quest Diagnostics disclose?
In 2021, Quest Diagnostics reported emissions for 6 out of the 15 Scope 3 categories defined by the GHG Protocol. a
This partial disclosure allows for some insight into the company's indirect impacts.
What are the main sources of Quest Diagnostics's Scope 3 emissions?
In 2021, the largest contributors to Quest Diagnostics's Scope 3 emissions were: a
- Purchased Goods and Services (Cat. 1): 21,217,938 tCO₂e (85.46%)
- Upstream Transportation and Distribution (Cat. 4): 3,393,762 tCO₂e (13.67%)
- Employee Commuting (Cat. 7): 126,082 tCO₂e (0.51%)
Quest Diagnostics's Scope 3 Emissions by Categories
Insights into Quest Diagnostics’s GHG Emissions Intensity Compared to Industry Peers
In 2021, Quest Diagnostics reported Scope 1 greenhouse gas (GHG) emissions of 238,910 tCO₂e and total revenues of USD 10,788 millions. This translates into an emissions intensity of 22.15 tCO₂e per millions USD. a
Quest Diagnostics's Scope 1 Emissions Intensity Compared to Peers
How does Quest Diagnostics's GHG emissions intensity compare to its peers?
In 2021, Quest Diagnostics reported a Scope 1 emissions intensity of 22.15 tCO₂e per millions USD. Compared to the peer group median of 4.35 , this places the company above its industry benchmark, indicating it is less carbon-efficient than most competitors. a
Where does Quest Diagnostics rank on GHG emissions intensity within its industry?
In 2021, Quest Diagnostics ranked 24 out of 24 companies in its industry peer group, based on Scope 1 emissions intensity (measured in tCO₂e per millions USD). a
This places Quest Diagnostics among the least efficient performers, with one of the highest emissions intensities in its sector. a
Insights into Quest Diagnostics's Total Carbon Footprint
In 2021, Quest Diagnostics reported a total carbon footprint of 25,172,306 metric tons of CO₂ equivalent (tCO₂e) across Scope 1, Scope 2, and Scope 3 emissions. a
The largest contributor to Quest Diagnostics's total carbon footprint was Scope 3 emissions, accounting for 98.63% of the company's total carbon footprint, followed by Scope 1 emissions at 0.95%. a