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Law Department notice on WTC document preservation, Oct 2001

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Notice from NYC Law Department instructing staff to preserve World Trade Center documents for potential legal actions.

NYC-WTC_000145027–000145344

Folder label: “NO INFO

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NYC 9/11 Public Portal Document

4.1.2 Chemical Hazards

SUBSTANCE EITC^ IDLH HEALTH EFF] ROUTE OF LEVEL WTRY (PEL) sfcsii Y Polycyclic 0.2 mg/m3 80 Dermatitis, bronchitis, Inhalation, Eye: irrigate Aromatic mg/m3 potential occupational Contact immediately. Skin: Hydrocrbons carcinogen soap wash (PAHs) promptly Lead 0.050 mg/m3 100 Weak, insomnia, Inhalation Eye: irrigate mg/m3 gingival lead line, Ingestion immediately. Skin: abdominal pain, soap wash irritated eyes promptly Crystalline Respirable 50 Cough, pain with Inhalation Eye: irrigate silica 10mg/m3/% mg/m3 breathing, wheezing, immed. SiO2 +2 decreased pulmonary Breath: fresh air function, silicosis, cancer of lung Asbestos 0.1 fiber/cc NA Asbestosis, pain with Inhalation Eye: irrigate breathing, restricted Ingestion immed. pulmonary function, Contact Breath: fresh air finger clubbing, Ixmg cancer

SUBSTANCE EXPOSURE IDLH HEALTH EFFECTS ROUTE OF FIRSTA.DBy LIMIT LEVEL ENTRY Kouie of Exposure (PEL) " ■? Dioxin (1,1,2,2- None None Eye irritation, allergic Inhalation Eye: irrigate Tetrachioro- dermatitis, chloracne, Ingestion immed. debenzo-p- digestive disturbances, Contact Skin wash with dioxin) possible reproductive soap/ water effects, in animals Breath: fresh air produces liver/ kidney Swallow: med damage, cancer attention Man Made 15 mg/m3 None Irritation of eyes skin Inhalation Eye: irrigate Vitreous (total) nose, throat, pain with Contact immed. Fibers (aka 5 mg/m3 breathing Breath: fresh air fiberglass and (respirable) glass wool) Gypsum 15 mg/m3 None Irritation of eyes, skin, Inhalation Eye: irrigate (calcium (II) (total) mucous membranes, Contact immed. sulfate 5 mg/m3 upper respiratory Breath fresh air dihydrate) (respirable) system, coughing, sneezing, runny nose

-001 WRS Infrastructure and Environment, Inc. 12

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NYC-WTC_000145089Source: NYC Law Department, mirrored locally

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