Pollution Prevention

Facility ID: 01613SPRGL115NO Facility Name and Address: ALLEGRO MICROSYSTEMS INC 115 NORTHEAST CUTOFF WORCESTER, MA 016061224 Parent Company: Industry: Semiconductor and Related Device Manufacturing (334413) Reports: View TRI Facility profile report for this facility View TRI Form R submissions by this facility

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Production Related Waste Management for Selected Facility

Show P2 data for specific chemicals at this facility: Select a chemical 1,1,1-TRICHLOROETHANE BENZO(G,H,I)PERYLENE HYDROCHLORIC ACID HYDROGEN FLUORIDE METHANOL NITRATE COMPOUNDS NITRIC ACID PHOSPHORIC ACID POLYCYCLIC AROMATIC COMPOUNDS SODIUM HYDROXIDE SULFURIC ACID XYLENE

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Chart Options: Display waste quantities only Display waste quantities as a percentage of total waste

Waste Management by Chemical - Select Year: 2011 2010 2009 2008 2007 2006 2005 2004

Chart Options: Display waste quantities only Display waste quantities as a percentage of total waste Display 5-Year Waste Trend Display 5-Year Waste Trend Normalized

Pollution Prevention Activities for Selected Facility

Chemical Name	P2 Report	5-Year Waste Trend	2019	2018	2017	2016	2015	2014	2013	2012	2011	2010	2009	2008	2007	2006
BENZO(G,H,I)PERYLENE		NA	-	-	-	-	-	-	-	-	-	-	-	-	P2	No P2
HYDROGEN FLUORIDE		NA	-	-	-	-	-	-	-	-	No P2	No P2	No P2	No P2	P2
POLYCYCLIC AROMATIC COMPOUNDS		NA	-	-	-	-	-	-	-	-	-	-	-	-	P2	No P2
SULFURIC ACID (1994 AND AFTER "ACID AEROSOLS" ONLY)		NA	-	-	-	-	-	-	-	-	No P2	No P2	No P2	No P2	P2	No P2

• P2: P2 information provided on Form R
• No P2: No P2 information provided on Form R
• B: Barriers reported
• -: Form R not submitted