15 CAR § 270-116 – Servicing or filling containers

(a) The filling of any container which does not have an attached approval tag is prohibited.
(b) The discharge end of the filling hose shall be fitted with an approved valve and the operator shall control the liquid flow with this valve.
(c) The liquid volume of the connection between the discharge hose outlet valve and the consumer's system filling valve shall not exceed eight ounces (8 oz.).
(d) At least one (1) attendant shall remain close to the transfer connection from the time the connections are first made until they are finally disconnected.
(e) No liquid transfer hose, pipe, or tubing containing more than eight ounces (8 oz.) of liquid shall be vented to the atmosphere.
(f)
1. (1) The vapor pressure in any container shall not be lowered by blowing or venting to the atmosphere.
2. (2) However, where a container used solely for farm implement or industrial service cannot be adequately filled due to vapor pressure, the pressure may be reduced to facilitate filling by venting to the atmosphere, provided:
  1. (A) This can be safely performed in an open area without undue hazard to any building or surrounding property; and
  2. (B) There is no open flame or other source of ignition in the area.
(g) Mobile fuel tanks shall be charged only in the open air.
(h) No underground container shall be filled or serviced unless the maximum allowable working pressure of the container can be readily determined.
(i) Where a customer's premises does not offer safe and adequate facilities for turning a delivery or transport truck around, it is recommended that the driver back into the driveway to fill the customer's container.
(j)
1. (1) When it becomes necessary to service a container after dark, a vapor-proof type flashlight, or other approved explosion-proof type lighting shall be used.
2. (2) The use of a standard type flashlight is prohibited.
(k) No container shall be filled:
1. (1) That shows evidence of improper or faulty installation, leakage, defective fittings; or
2. (2) Which is not equipped with a safety relief valve and liquid level gauge.