PERI: Toxic 100 Index

Air Toxics at School 2019

School	HERITAGE MONTESSORI ACADEMY OF ALLEN
Street	1222 N ALMA DR
City	ALLEN
State	TX
Number of students	17
Student % minority	65%
Data Source	PSS (private schools)

Number of facilities affecting school	145
Number of chemicals affecting school	69
Toxic percentile nationwide (1=worst)	48th
Toxic rank nationwide (1=worst)	48,393
Toxic percentile statewide (1=worst)	44th
Toxic rank statewide (1=worst)	3,878
Toxic Hazard	684.47

There are 62,222 schools with worse air toxic ranks than this school nationwide.

This school's air toxic concentration is 0.15 times the national average at schools.

There are 4,821 schools with worse air toxic ranks than this school statewide.

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

Facility	Parent Company	Toxic Hazard
GENERAL DYNAMICS ORDNANCE & TACTICAL SYSTEMS GARLAND	General Dynamics	353.85
TOWER EXTRUSIONS LLC	TOWER EXTRUSIONS LLC	172.80
TPG PRESSURE - GRAND PRAIRIE	TPG PRESSURE INC	67.49
WATSON & CHALIN MANUFACTURING INC	WATSON & CHALIN MANUFACTURING INC	62.99
METL-SPAN A DIV OF NCI GROUP INC	Cornerstone Building Brands	5.76

Facility	Parent Company	Chemical	Toxic Hazard
GENERAL DYNAMICS ORDNANCE & TACTICAL SYSTEMS GARLAND	General Dynamics	Chromium	332.62
TOWER EXTRUSIONS LLC	TOWER EXTRUSIONS LLC	Diisocyanates	172.77
TPG PRESSURE - GRAND PRAIRIE	TPG PRESSURE INC	Nickel	67.48
WATSON & CHALIN MANUFACTURING INC	WATSON & CHALIN MANUFACTURING INC	Chromium	55.66
GENERAL DYNAMICS ORDNANCE & TACTICAL SYSTEMS GARLAND	General Dynamics	Nickel	17.45