PERI

Air Toxics at School 2022

School Info

SchoolKEYSTONE MONTESSORI SCHOOL
Street55 MIDDLESEX ST
CityNORTH CHELMSFORD
StateMA
Number of students50
Student % minority90%
Data SourcePSS (private schools)

Air Toxics Info

Number of facilities affecting school141
Number of chemicals affecting school66
Toxic percentile nationwide (1=worst)61st
Toxic rank nationwide (1=worst)78,974
Toxic percentile statewide (1=worst)81st
Toxic rank statewide (1=worst)2,013
Toxic Hazard336.10

This school's air toxic concentration is 0.07 times the national average at schools.

This school's air toxic concentration is 0.34 times the state average at schools.

Top facilities

FacilityParent CompanyToxic Hazard
TECOMETCharlesbank Capital Partners71.09
GE AVIATIONGeneral Electric61.67
PROTO LABS INC.PROTO LABS INC41.84
PROTO LABS INCPROTO LABS INC41.84
UNION SPECIALTIES INCUNION SPECIALTIES INC29.76
HITCHINER COUNTERGRAVITY CAST OPERATIONS (VCO/DCO/MCT)HITCHINER MANUFACTURING CO INC17.15
ISOMEDIX OPERATIONS INC.STERIS16.20
PACE INDUSTRIES - CAMBRIDGE DIVPace Industries10.96
BOYD CORP INC.Goldman Sachs8.76
PALMER MANUFACTURING CO LLCPursuit Aerospace7.16
PARADIGM PRECISION HOLDINGS LLCPursuit Aerospace6.79
TECHNICAL MANUFACTURING CORPAmetek5.29
PARKER HANNIFIN CORP CHOMERICS DIVParker-Hannifin4.00
WORTHEN INDUSTRIES INC UPACO DIVWorthen Industries2.37
LUBRIZOL ADVANCED MATERIALS INCBerkshire Hathaway1.70
CHEMGENES CORPCHEMGENES CORP1.53
TEI BIOSCIENCESIntegra LifeSciences1.10
CHROMA COLOR CORPArsenal Capital Partners1.07
HOLCIM - NER INC.Holcim Group0.78
AMPHENOL APC INCAmphenol0.71
BERKSHIRE MANUFACTURED PRODUCTS INCPursuit Aerospace0.49
ADVANCE COATINGS COADVANCE COATINGS CO0.43
GLOBAL COMPANIES LLCGlobal Partners LP0.39
GULF OIL LP CHELSEA TERMINALRaceTrac Petroleum0.37
IRVING OIL TERMINALS INC.Irving Oil0.34
SPECIALTY MATERIALS INC.Global Materials0.31
ENTEGRIS INCEntegris0.20
AVCARB MATERIAL SOLUTIONSArsenal Capital Partners0.18
COORSTEK IGNITER PRODUCTSCOORSTEK INC0.17
NYACOL NANOTECHNOLOGIES INCNYACOL NANOTECHNOLOGIES INC0.16
BENCHMARK ELECTRONICS NH DIVBenchmark Electronics0.13
IDEAL TAPE COAmerican Biltrite0.11
EXXON MOBIL CORP EVERETT TERMINALExxon Mobil0.11
MEXICHEM SPECIALTY COMPOUNDSOrbia Advance Corporation0.10
COLT REFINING INCCOLT REFINING INC0.08
ALLCOAT TECHNOLOGY INCALLCOAT TECHNOLOGY INC0.07
FXI INC. - NEWBURYPORTOne Rock Capital Partners0.07
MAJILITE MANUFACTURING INCMERIDIAN INDUSTRIES INC0.07
KENDALL GREEN ENERGY LLCAntin Infrastructure Partners0.05
ANALOG DEVICES INC/WILMINGTON MANUFACTURINGAnalog Devices Inc.0.04
BRADFORD INDUSTRIESWembly Enterprises0.03
S&E SPECIALTY POLYMERS LLCNautic Partners0.03
COVESTRO LLCCovestro0.03
HOLCIM - NER INC.Holcim Group0.03
DAMPNEY CO INCDAMPNEY CO INC0.03
OMNOVA SOLUTIONSSynthomer0.03
VERANOVA L.P.Altaris Capital Partners0.02
NEWARK AMERICAGreif Inc.0.02
CHELSEA SANDWICH LLCGlobal Partners LP0.02
UNIVAR SOLUTIONS USA INC. - TEWKSBURY MAApollo Global Management0.02
INTERVALA LLCIntervala0.02
DUNCAN GALVANIZING CORP.DUNCAN GALVANIZING CORP.0.02
HARCROS CHEMICALS INCHarcros Chemicals0.01
STRAUMANN MANUFACTURING INCSTRAUMANN MANUFACTURING INC0.01
GRANITE STATE CONCRETE CO INC WESTFORDJG MACLELLAN CONCRETE CO INC0.01
HOLCIM - NER INC.Holcim Group0.01
MORGAN ADVANCED CERAMICS INCMorgan Advanced Materials0.01
EDWARDS VACUUM LLCAtlas Copco0.01
JG MACLELLAN CONCRETE CO INCJG MACLELLAN CONCRETE CO INC0.01
PCI SYNTHESISSK Capital Partners0.01
BRONZE CRAFT CORPBRONZE CRAFT CORP0.01
BOSTIK MANUFACTURING PLANTArkema0.00
ICP CONSTRUCTIONCPC HOLDING LLC0.00
HAARTZ CORPHAARTZ CORP0.00
BROX INDUSTRIES INCBrox Industries0.00
BENEVENTO SAND & STONE CORPBENEVENTO SAND & STONE CORP0.00
BAE SYSTEMS INFORMATION & ELECTRONIC SYSTEMS INTEGRATIONBAE Systems0.00
VICOR CORPVicor Corp.0.00
ROHM & HAAS ELECTRONIC MATERIALS LLCDuPont de Nemours0.00
ROUSSELOT PEABODY INC.Darling Ingredients0.00
CIRCUIT CONNECT INCInfinitum0.00
FM CALLAHAN & SON INCFM CALLAHAN & SON INC0.00
TORROMEO INDUSTRIES INC.TORROMEO INDUSTRIES INC0.00
TORROMEO INDUSTRIES INCTORROMEO INDUSTRIES INC0.00
LAMB & RITCHIELAMB & RITCHIE0.00
INTERVALA LLCIntervala0.00
MEDTRONIC INCMedtronic0.00
WORTHEN INDUSTRIESWorthen Industries0.00
INTERNATIONAL RECTIFIER HIREL PRODUCTS INC.Infineon Technologies0.00
DAV-TECH PLATING INC.DAV-TECH PLATING INC.0.00
WINCHESTER INTERCONNECT RF CORPAptiv PLC0.00
PANDOLF PERKINS COEH PERKINS CONSTRUCTION INC0.00
HOLLINGSWORTH & VOSE CO WEST GROTONHOLLINGSWORTH & VOSE CO0.00
RAYTHEON CORTX Corporation0.00
L3 TECHNOLOGIES INC.L3Harris Technologies0.00
AMERICAN SUPERCONDUCTORAmerican Superconductor Corp.0.00
PARKER HANNIFIN CORP CHOMERICS DIVParker-Hannifin0.00
FIREYE INCCarrier Global Corporation0.00
LGC STANDARDS VHG LABSLGC STANDARDS VHG LABS0.00
MARMON UTILITY LLCBerkshire Hathaway0.00
MATEP LLCLongwood Energy Partners0.00
RYMES - HUDSONSUPERIOR PLUS CORP0.00
TRANSENE CO INC.TRANSENE CO INC0.00
JG MACLELLAN CONCRETE CO INCJG MACLELLAN CONCRETE CO INC0.00
HERO COATINGS INC.HERO COATINGS INC.0.00
ANALOGIC CORPAltaris Capital Partners0.00
HOLCIM - NER INC.Holcim Group0.00
KOCH SEPARATION SOLUTIONS INC.Koch Industries0.00
TEKNOR APEX ELASTOMERS INC.TEKNOR APEX0.00
ITW PERFORMANCE POLYMERSIllinois Tool Works0.00
DAUPHINAIS CONCRETE INC.DAUPHINAIS CONCRETE INC0.00
SUPERCON INCSUPERCON INC0.00
HIGHLINE WARREN LLCPritzker Group0.00
VERANOVA L.P.Altaris Capital Partners0.00
JG MACLELLAN CONCRETE CO INCJG MACLELLAN CONCRETE CO INC0.00
CIRTRONICS CORPCIRTRONICS CORP0.00
HOLCIM - NER INC.Holcim Group0.00
HOLOGIC INCHologic0.00
PLATING FOR ELECTRONICS INC.PLATING FOR ELECTRONICS INC.0.00
THERMO FISHER SCIENTIFICThermo Fisher Scientific0.00
US PACK INCUS PACK INC0.00
HOUGHTON CHEMICAL CORPHOUGHTON CHEMICAL CORP0.00
BIOSYNTH INTERNATIONAL INC.KKR & Co.0.00
ANDOVER HEALTHCARE INC.Milliken0.00
SHAWSHEEN RUBBER CO INCSHAWSHEEN RUBBER CO INC0.00
CL HAUTHAWAY & SONS CORPCL HAUTHAWAY & SONS CORP0.00
THERMO FISHER SCIENTIFICThermo Fisher Scientific0.00
SANMINA CORP.Sanmina0.00
ITW/FOILMARK INCIllinois Tool Works0.00
TELEDYNE FLIR SURVEILLANCETeledyne Technologies0.00
SCULLY SIGNALSCULLY SIGNAL0.00
CABOT CORPCabot Corp.0.00
THUNDERLINE-ZOne Rock Capital Partners0.00
MURPHYS WASTE OIL SERVICES INCClean Harbors Inc.0.00
GE COGeneral Electric0.00
SAINT GOBAIN PERFORMANCE PLASTICSSaint-Gobain0.00
BROX INDUSTRIES INCBrox Industries0.00
THE GILLETTE CO LLCProcter & Gamble0.00
ELECTRONIC PRODUCTS INCELECTRONIC PRODUCTS INC0.00
NYLON CORP OF AMERICAWEMBLY NYCOA HOLDINGS LLC0.00
GVS N.A.GVS Group0.00
AOTCO METAL FINISHING LLCAOTCO METAL FINISHING LLC0.00
SAFETY-KLEEN SYSTEMS MARLBOROUGH (MRB)Clean Harbors Inc.0.00
RESILIENCE BOSTON INC.NATIONAL RESILIENCE INC0.00
JAYBIRD & MAIS INCJAYBIRD & MAIS INC0.00
ANIKA THERAPEUTICSAnika Therapeutics0.00
CYTIVADanaher0.00
SARTORIUS STEDIM 450 DLBSARTORIUS STEDIM BIOTECH0.00
SKYWORKS SOLUTIONS INCSkyworks Solutions0.00
CURIA MASSACHUSETTS INC.Aledade0.00
MACOM TECHNOLOGY SOLUTIONS INCM/A-COM TECHNOLOGY SOLUTIONS HOLDINGS0.00

(click here to shrink list to only top 5 facilities)

Top 5 chemicals

ChemicalToxic Hazard
Chromium158.89
Cobalt86.54
Hydrazine29.65
Ethylene oxide16.20
Lead 10.44

(click here to expand list to all chemicals)

Top 5 chemicals from facilities

FacilityParent CompanyChemicalToxic Hazard
TECOMETCharlesbank Capital PartnersCobalt56.42
GE AVIATIONGeneral ElectricChromium49.74
PROTO LABS INC.PROTO LABS INCChromium41.84
PROTO LABS INCPROTO LABS INCChromium41.84
UNION SPECIALTIES INCUNION SPECIALTIES INCHydrazine29.65

(click here to expand list to all chemicals from facilities)

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