A PICK-UP TRUCK CARRYING CHLORINE AND MURATIC ACID CRASHED INTO AN SUV IN ENGLEWOOD THIS MORNING, SNARLING TRAFFIC FOR HOURS.  THE FLORIDA HIGHWAY PATROL SAYS 32 YEAR OLD ROBERT DRAKE OF PORT CHARLOTTE WAS STOPPED AT THE STOP SIGN ON DAVID BOULEVARD AT THE INTERSECTION OF SOUTH MCCALL ROAD AT AROUND 7AM WHEN HE PULLED OUT INTO THE PATH OF A WESTBOUND VEHICLE THAT WAS DRIVEN BY 45 YEAR OLD PENNY SHAER OF PORT CHARLOTTE.  THE IMPACT SENT THE PICK-UP OVERTURNING ONTO ITS ROOF AND SPILLED THE POOL CHEMICALS BEING CARRIED IN IT ONTO SOUTH MCCALL ROAD.   DRAKE WAS AIRLIFTED TO LEE MEMORIAL HOSPITAL IN SERIOUS CONDITION, WHILE SHAER WAS TAKEN TO ENGLEWOOD COMMUNITY HOSPITAL WITH MINOR INJURIES.  HER 16 YEAR OLD DAUGHTER HAYLEY WAS TREATED AT THE SCENE FOR MINOR INJURIES.  TROOPERS SAY EVERYONE WAS WEARING SEAT BELTS AND CHARGES ARE PENDING THE COMPLETION OF THEIR INVESTIGATION.