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← Document results/DEP Box 51/10 CORTLANDT STREET 1078966, 63/1 BIN # 1078966
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Document label for 10 Cortlandt Street

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NYC-WTC_000126257–000126287

Folder label: “10 CORTLANDT STREET 1078966, 63/1 BIN # 1078966

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NYC 9/11 Public Portal Document

Hillmann Environmental Croup, LLC

SECTION 6 —APPENDICES

6.1 List of Abbreviations

AIHA American Industrial Hygiene Association

ACGIH American Conference of Governmental Industrial Hygienists

ASHRAE American Society of Heating, Refrigeration and Air-conditioning Engineers

CDC Centers for Disease Control

EPA Environmental Protection Agency

NAAQS National Ambient Air Quality Standard

NZOSH National Institute for Occupational Safety and Health

OSHA Occupational Safety and Health Administration

CPU/m' Colony forming units per cubic meter of air

F/cc Fibrous dust per cubic centimeter of air

HVAC Heating, ventilation & air-conditioning

mg/m Milligrams per cubic meter of air

PEL Permissible exposure level. This is the enforceable standard.

pCi/L Picocuries per liter of air

ppm Parts per million

TLV Threshold limit value

TWA Time weighted average

22 Cortlandt Street/New York. NY/Project Number Y2-1458 Page 25

NYC-WTC 000126286

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NYC-WTC_000126286Source: NYC Law Department, mirrored locally

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