Cheat sheet

Ontario Pesticide Core Exam Cheat Sheet

Legislation and Licensing

Not publishedof exam

Authority MapOntario ClassesLicence PathCosmetic Ban

Pesticide Labels

Not publishedof exam

Label CheckPCP NumberREISDS

Toxicology and First Aid

Not publishedof exam

Exposure and First AidLD50Rescuer SafetyPoison Centre

Personal Protective Equipment

Not publishedof exam

PPE by TaskGlove MaterialRespirator FitPPE Care

Formulations and Application

Not publishedof exam

Integrated Pest Management

Not publishedof exam

IPM SequenceAction ThresholdResistanceRecheck

Environmental Protection

Not publishedof exam

Drift and WaterBuffer ZoneInversionPollinators

Storage, Transport and Disposal

Not publishedof exam

Storage and TransportRinsing DecisionLeftover MixContainer Label

Emergency and Spill Response

Not publishedof exam

Spill First MovesReportable SpillSpills Action CentreMunicipality

Quick Facts

Exam
OPT&C Exterminator Core Manual
Provider
University of Guelph Ridgetown
Core format
50 MCQs; closed book
Core time
1 hour
Pass
75% minimum; at least 38/50
Separate module
Category exam: 50 MCQs; open book
Module time
1.5 hours
Path
Pass both; apply to MECP
Weights
Core chapter weights not published

Registered Product vs Licensed Exterminator

PMRA registration

  • Product federal approval
  • Current label controls uses
  • Not personal authorization

MECP licence

  • Person authorization
  • Category-specific scope
  • Provincial conditions apply

Need both legal pathways

Authority Map

PMRA
Registers Canadian pesticide products
MECP
Issues Ontario exterminator licences
OPT&C
Administers certification exams
Pesticides Act
Ontario pesticide-law framework
O. Reg. 63/09
Ontario use and licensing rules
Federal registration
Does not waive provincial controls
Core pass
Not an exterminator licence

Core vs Category Exam

Core Manual

  • Common safety concepts
  • 50 closed-book MCQs
  • One hour

Category module

  • Specific licence class
  • 50 open-book MCQs
  • One and half hours

Pass both for certification

Ontario Classes

Class A
Federal manufacturing designation
Class B
Federal restricted designation
Class C
Federal commercial designation
Class D
Federal domestic designation
Class E
Specified neonic-treated corn/soy seeds
Licence category
Limits authorized extermination type
Cosmetic use
Check Allowable List or exception

Certification vs Licence

OPT&C certification

  • Pass Core and category
  • Letter after exams
  • Apply within one year

MECP licence

  • Provincial authorization
  • Class limits work
  • Five-year term

Certificate alone cannot authorize work

Label Gate

SLUM: site, label, use, method

Site listedLabel currentUse permittedMethod authorized

Label vs Safety Data Sheet

Approved label

  • Registered use directions
  • Rates and buffers
  • Product-specific first aid

SDS

  • Hazards and handling
  • Storage and emergency details
  • Does not expand uses

Follow both applicable requirements

Label and PPE Picker

  1. Similar product names→Match PCP registration number(Read current label)
  2. Mixing concentrate→Use mixing-specific PPE(Check label section)
  3. Tank mix proposed→Check both labels(Follow all restrictions)
  4. Entry after treatment→Check labelled REI(Limit access accordingly)
  5. Buffer near water→Follow exact label buffer(Equipment alone cannot cancel)

Label Check

PCP number
Match current registered product
Registered site
Use only listed site
Target pest
Check label permission
Application rate
Never exceed label directions
Application method
Match label instructions
Buffer zone
Follow stated conditions
REI
Observe labelled entry restriction
First aid
Follow product-specific statements
SDS
Supplemental hazard information

Acute vs Chronic Exposure

Acute

  • Short exposure
  • Immediate or delayed effects
  • Compare acute tests carefully

Chronic

  • Repeated/long exposure
  • Longer-term effects
  • Control cumulative exposure

Time pattern differs

Exposure and First Aid

Dermal
Skin contact route
Inhalation
Breathing exposure route
Ingestion
Swallowed material
Ocular
Eye contact route
Acute
Short-exposure effect
Chronic
Repeated/long-exposure effect
Lower LD50
Higher acute toxicity; comparable tests
Suspected poisoning
Follow label; seek medical advice
Medical handoff
Bring label and PCP number

PPE by Task

Mixing concentrate
Check task-specific label PPE
Chemical gloves
Match label-resistant material
Eye protection
Follow splash-risk label directions
Respirator
Use specified type and fit
Dust mask
Not automatic respirator substitute
Damaged PPE
Replace before handling
Contaminated clothing
Separate; clean or discard
Hand hygiene
Wash before food or drink

Calibration Distinction

Area × rate = product; volume = mixture

Label product rateCalibrated carrier volumeUse same area units

Product Rate vs Carrier Volume

Product rate

  • Concentrate per area
  • From current label
  • Determines pesticide quantity

Carrier volume

  • Mixture per area
  • Set through calibration
  • Determines spray volume

Never equate mixture and concentrate

Application Decision

  1. Pest unconfirmed→Identify and monitor(Avoid automatic spray)
  2. Below action threshold→Continue monitoring(Unless other trigger applies)
  3. Nozzle worn→Replace and recalibrate(Rate may change)
  4. Weather threatens drift→Delay application(Recheck current conditions)
  5. Sensitive habitat nearby→Apply label protections(Check buffers and timing)

Formulation and Mixing

Ready-to-use
Apply as supplied when labelled
Concentrate
Dilute exactly as labelled
Wettable powder
Agitate as label directs
Tank mix
Check every applicable label
Carrier volume
Spray mixture, not concentrate
Product rate
Label amount per area
Water source
Prevent back-siphoning
Nozzle wear
Changes output and droplets

Calibration Math

Area
Length times width; convert units
Mixture needed
Volume per hectare times hectares
Product needed
Label rate times hectares
Worked mixture
200 L/ha × 2ha = 400L
Worked product
1.5 L/ha × 2ha = 3L
Output check
Measure actual nozzle flow
Speed change
Recalculate area application rate
Pressure change
Recheck output and droplet pattern

IPM Loop

IMAC: identify, monitor, act, check

Identify pestMonitor pressureAct at triggerCheck outcome

IPM Sequence

Identify
Confirm pest before control
Monitor
Measure pest pressure
Threshold
Control justified at trigger
Prevention
Reduce favourable pest conditions
Nonchemical
Consider exclusion or sanitation
Chemical choice
Labelled option when justified
Resistance
Vary suitable modes and tactics
Recheck
Measure control outcome

Drift vs Runoff

Drift

  • Airborne off-target movement
  • Wind/inversion concern
  • Droplet and buffer controls

Runoff

  • Waterborne off-target movement
  • Rain/slope concern
  • Waterway protection

Pathway changes controls

Drift and Water

Wind direction
Check sensitive downwind areas
Wind speed
Use current site conditions
Inversion
Fine droplets may linger
Buffer
Follow current label conditions
Runoff
Avoid off-site water movement
Pollinators
Follow bloom and bee warnings
Spray quality
Match label droplet direction
Sensitive site
People, water, crops, habitat

Storage and Transport

Original container
Keep legible product label
Damaged container
Use compatible labelled replacement
Food separation
Prevent food/feed contact
Secure storage
Limit unauthorized access
Vehicle load
Secure upright containers
Rinsate
Manage under label and rules
Leftover mix
Use/dispose only as allowed
Empty container
Check label before rinsing

Spill Priorities

PACT: people, area, contain, tell

People safeArea isolatedContain if safeTell required parties

Exposure or Spill Response

  1. Worker collapsed in hazard→Protect rescuers; call 911(Move only if safe)
  2. Skin or eye exposure→Follow label first aid(Seek help as directed)
  3. Spill threatens people→Isolate area; call 911(If immediate danger)
  4. Spill source accessible→Stop only if safe(Contain away from drains)
  5. Reportable Ontario spill→Call Spills Action Centre(Notify municipality and known parties)

Spill First Moves

Immediate danger
Call 911
People
Keep clear of exposure
Source
Stop only if safe
Drains
Block spread if safe
Spill kit
Use compatible containment supplies
Label/SDS
Consult product hazards
Reportable spill
Call Spills Action Centre
Cleanup
Owner/controller duty under law

Reporting Contacts

Spills Action Centre
1-800-268-6060; 24/7
Toronto line
416-325-3000; 24/7
Municipality
Immediate notice when reportable
Known owner
Immediate notice when reportable
Known controller
Immediate notice when reportable
Report details
Product, amount, place, time
Poison advice
Follow label or poison centre

Common Traps

Federal vs provincial

PMRA registers products ≠ MECP licences Ontario exterminators

Core vs authorization

Core pass is partial certification ≠ Licence authorizes covered work

Class E vs category

Class E means treated seeds ≠ Exterminator category defines work

Label vs SDS

Label limits registered use ≠ SDS adds safety details

LD50 comparison

Toxicity: inherent harm potential ≠ Exposure: amount reaching person

Buffer vs nozzle

Drift controls reduce risk ≠ Mandatory buffer still applies

Mixture vs product

400 L may be spray mixture ≠ Product follows label rate

Rinse vs always

Rinseable container: follow label/rules ≠ No-rinse label: do not rinse

Spill size vs reporting

Reportable spill: notify required parties ≠ Small spill: assess legal trigger

Last Minute

  1. 1.Core: 50MCQ, 1h, closed-book
  2. 2.Pass Core and category at 75%
  3. 3.75% of 50 means 38 correct
  4. 4.Certification is not MECP licence
  5. 5.Confirm PMRA registration and Ontario class
  6. 6.Match label by PCP registration number
  7. 7.Check site, pest, rate, method
  8. 8.Use task-specific labelled PPE
  9. 9.Product rate differs from carrier volume
  10. 10.Calibrate after nozzle/setup changes
  11. 11.Monitor pests before deciding treatment
  12. 12.Follow buffers and pollinator warnings
  13. 13.Protect people before containing spills
  14. 14.Report qualifying spills to Ontario SAC
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