it appears that:

for the '70 model year 801-SPDs (Friday, August 1, 1969) were reserved for pre-production cars.
for the LA plant 818-SPD (Monday, August 18, 1969) was the first scheduled day of production.

are you sure 0E100113 was 819?

Morty - work one too many zeros
0B100021 - FE5 SIX PACK 'vert (red/purple/go-mango)
0B100028 - FC7 SIX PACK 'vert
both pre-production from Hamtramck