Appendix B

2/99

                 STILLING WELL SAFETY EVALUATION

 

District______________________   Office_____________________

 

Station number/name_______________/_____________________________

 

Inspector________________________   Date_________________ 

 

Inspect stilling well for hazards such as:

* Unsafe ladders-(Ladders over 20 feet long require a

  fall-protection safety device)

* Dangers from falling equipment

* Potential for engulfment (drowning)

* Electrical hazards (GFCI circuits required)

* Biological hazards such as sanitary concerns, snakes, wasps,

  mice (hantavirus), bats (histoplasomosis) etc.

* If electric power tools are used, they must be double insulated

  or connected to a GFCI circuit.

 

Describe all hazards identified and how each hazard was eliminated: 

 

 

 

                                                                

 

 

 

 

 

 

 

 

 

 

 

ATMOSPHERIC MONITOR: Meter Type____________ Serial No.___________

 

Date of calibration ____/____/____

 

Atmospheric Tests 

 

Test

Acceptable Entry Conditions

Surface Air Reading Outside Well

Atmospheric reading in stilling well

Oxygen

 

19.5% to 23.5%

 

 

 

Carbon monoxide

 

0 to 35 ppm