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SITE-SPECIFIC HEALTH AND SAFETY PLAN FOR PHASE II ENVIRONMENTAL SITE ASSESSMENT
<br /> Potential Airborne Concerns and Air Monitoring Action Levels
<br /> July 7, 2023
<br /> Potential Airborne Concerns
<br /> Chemical (Or OSHA PEL Warning Routes of Chronic Health
<br /> Class) ACGIH TLV Other Pertinent Limits Properties Exposure or Acute Health Effects Effects/Target
<br /> Irritation Organs
<br /> Diisopropyl . CalOSHA PEL- 0NIOSH REL 500 Colorless liquid Inhalation, Irritation eyes, skin, nose; Eyes, skin,
<br /> Ether TWA 250 ppm ppm with a sharp, ingestion, skin respiratory discomfort; respiratory system,
<br /> (DIPE) 0 FedOSHA PEL- 0IDLH 1,400 ppm sweet, ether-like and/or eye contact dermatitis; in animals: central nervous
<br /> (Isopropyl TWA 500 ppm odor. drowsiness, dizziness, system
<br /> Ether) ACGIH TLV 250 unconsciousness, narcosis
<br /> ppm
<br /> • ACGIH TLV STEL
<br /> 15 MIN 310 ppm
<br /> Ethyl Tertiary 0 Cal/FedOSHA PEL- • NIOSH REL None Extremely Inhalation, Irritation to the skin or Skin, eyes,
<br /> Butyl Ether TWA None established flammable, clear, ingestion, skin eyes, respiratory tract, respiratory tract,
<br /> (ETBE) established colorless liquid, absorption (slight) coughing, shortness of central nervous
<br /> • ACGIH TLV 25 ppm week ether-like eyes breath, headaches, system, potential
<br /> odor(13 ppm dizziness, drowsiness, carcinogen, potential
<br /> odor threshold) narcosis, physical and mutagen.
<br /> mental impairment,
<br /> unconsciousness, central
<br /> nervous system effects,
<br /> vomiting, mild to severe
<br /> pulmonary injury.
<br /> Tertiary Amyl 0 Cal/FedOSHA PEL- NIOSH REL None Extremely Inhalation, Irritation to the eyes, skin, Nervous system
<br /> Methyl Ether TWA None established flammable, clear, ingestion, skin respiratory tract,gastro reproduction system,
<br /> (TAME) established colorless liquid absorption, eyes intestinal tract, nausea, potential carcinogen,
<br /> • ACGIH TLV 20 ppm with a weak ether vomiting and diarrhea. potential mutagen.
<br /> like odor
<br /> Abbreviation Explanation
<br /> PEL Permissible Exposure Limit set by OSHA(8-hour time-weighted average [TWA])
<br /> REL Recommended Exposure Limit set by NIOSH (8-hour TWA)
<br /> C Ceiling Limit(not to be exceeded for any period of time)
<br /> STEL Short Term Exposure Limit(15-minute average)
<br /> Stantec
<br /> 4.3
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