| Waste Category | Packaging Guide | Manual Reference | Env. Health and Safety Contact | |
| Biological waste, agar gel | B1 | 5.1.2(b) | EPS 416.946.3473 | |
| Biological waste, liquid | B1 | 5.1.2(a) | EPS 416.946.3473 | |
| Biological waste, solid, non-sharp | B2 | 5.1.2(b) | EPS 416.946.3473 | |
| Blood, blood soaked/covered items | P1 | 5.1.5 | EPS 416.946.3473 | |
| Broken glass, see Glass | ||||
| Chemical (solid and liquid) | C1 | 5.2.2 | EPS 416.946.3473 | |
| Gels – ethidium bromide | C2 | 5.2.5(d) | EPS 416.946.3473 | |
| Glass, clean (laboratory glassware) | G1 | 5.5.2.2 | Caretaking 416.978.6252 | |
| Glass, contaminated with biohazards | B1/G1 | 5.5.2.2(a) | EPS 416.946.3473 | |
| Glass, contaminated with chemical | C1 | 5.5.2.2(b) | EPS 416.946.3473 | |
| Glass, contaminated with radioactivity | R4 | 5.5.2.2(c) | EPS 416.946.3473 | |
| Liquid scintillation vials | R3 | 5.3.5(d) | EPS 416.946.3473 | |
| Needles (syringes), see Sharps | ||||
| Pipettes, glass, see Glass | ||||
| Pipettes, plastic, see Plastics | ||||
| Plastics, clean | G1 | 5.5.2.2 | Caretaking 416.978.6252 | |
| Plastics, contaminated with biohazards | ||||
| Plastics, contaminated with chemical | B1 | 5.5.2.2(a) | EPS 416.946.3473 | |
| Plastics, contaminated with radioactivity | C1 | 5.5.2.2(b) | EPS 416.946.3473 | |
| Radioactive liquid scintillation vials | R1 | 5.5.2.2(c) | EPS 416.946.3473 | |
| Radioactive , solid | R3 | 5.3.5(d) | EPS 416.946.3473 | |
| Radioactive aqueous liquid, pH 6-8, half-life <30 days | R1 | 5.3.2.2 | EPS 416.946.3473 | |
| Radioactive aqueous liquid, pH 6-8, half-life <90 days | R2a | 5.3.2.3(a) | EPS 416.946.3473 | |
| Radioactive aqueous liquid, pH 6-8, half-life >90 days | R2b | 5.3.2.3(a) | EPS 416.946.3473 | |
| Radioactive aqueous liquid, organic, all half-lives | R2c | 5.3.2.3(a) | EPS 416.946.3473 | |
| Razor blades, see Sharps | R2d | 5.3.2.3(b) | EPS 416.946.3473 | |
| Scalpel blades, see Sharps | ||||
| Sharps, (syringes, needles, blades), clean | S1 | 5.5.1.2 | EPS 416.946.3473 | |
| Sharps, contaminated with biohazards | S1/P1 | 5.5.1.2(a) | EPS 416.946.3473 | |
| Sharps, contaminated with chemicals | S2 | 5.5.1.2(b) | EPS 416.946.3473 | |
| Sharps, contaminated with radioactivity | S3 | 5.5.1.2(c) | EPS 416.946.3473 |
Code General Packaging Requirements
B1 leak-proof container designed to withstand autoclaving temperatures when steam sterilization used
B2 autoclavable bags displaying biohazard warning symbol (not for sharps) supplied by researcher
C1 leakproof container (no biohazard bags) and no mixing of incompatible chemicals, chemical waste label completed & applied
C2 leakproof plastic container (no garbage bags) – label and treat as chemical waste
G1 20 litre white pails provided by Facilities and Services (Caretaking), must be able to close lid – nothing protruding
P1 if on-site autoclave unavailable, handled by external contractor and must be packaged using contractor’s protocols
R1 radioactive solid waste container, yellow, lined with yellow bag, supplied by EHS office, tag completed
R2a radioactive liquid waste container (green tag < 30-day half-life) supplied by EHS office, tag completed
R2b radioactive liquid waste container (blue tag > 30-day half-life<90 days) supplied by EHS office, tag completed
R2c radioactive liquid waste container (yellow tag >90-day half-life) supplied by EHS office, tag completed
R2d contact EHS office at 416.978.7000
R3 packaged in leak-proof container and clearly marked for radioactive disposal
R4 decontaminate empty glassware before placing into G1 container. If unable to decontaminate contact EHS at 416.978.7000
S1 yellow U of T approved B-D Guardian sharps containers (model # 300439 -1.4 litres, 300460 – 3.1 litres, or 300466 -7.6 litres)
S2 chemical must be deactivated prior to placing into S1 container
S3 collected in S1 container but labelled as radioactive waste with isotopes and activity