Grade C-
ChemScore report card 2022

Westlake Corporation

Westlake Corporation is an international manufacturer and supplier of petrochemicals, polymers and fabricated building products. The company serves a variety of different sectors such as the agricultural, food, construction, automotive and electronics industries. The Houston-based company is the largest producer of low-density polyethylene (LDPE) in the US and operates in two segments — olefins and vinyls.
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Total score
14 / 48

Grade summary

Westlake Corporation scores one point more than it did in last year’s ranking, ending up with a total of 14 points. The company produces 12 hazardous substances, including one persistent chemical. Westlake Corporation has…

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Overall rank
20 / 54
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Total score
14 / 48
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Product Portfolio
- / 18
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Development of Safer Chemicals
- / 12
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Management & Transparency
- / 12
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