1970 Chevelle Body Number Plates ~ Los Angeles (Van Nuys), CA. (BL)

ST  70-13637 ~ 1970 Malibu Sport Coupe (289,622 units)
BL ~ Body Assembly ~ Los Angeles (Van Nuys), California
09432  BDY ~ Data processing number for tracking purposes - block 8 of build sheet
TR  755 ~ Black Coated Fabric (bench)
55 55  PNT ~ Champagne Gold (lower-upper)
10B ~ Body Date - October, 2nd week
059010  ~ Data processing number - block 24 of build sheet*
08 ~ Data processing number (SCHED. NO.) - block 10 of build sheet**
0354 ~ Data processing number - block 24 of build sheet*

ST  70-13637 ~ 1970 Malibu Sport Coupe (289,622 units)
BL ~ Body Assembly ~ Los Angeles (Van Nuys), California
01892  BDY ~ Data processing number for tracking purposes - block 8 of build sheet
TR  755 ~ Black Coated Fabric (bench)
78 78  PNT ~ Black Cherry (lower-upper)
01C ~ Body Date - January, 3rd week
420150  ~ Data processing number - block 24 of build sheet*
19 ~ Data processing number (SCHED. NO.) - block 10 of build sheet**
0581 ~ Data processing number - block 24 of build sheet*

ST  70-13637 ~ 1970 Malibu Sport Coupe (289,622 units)
BL ~ Body Assembly ~ Los Angeles (Van Nuys), California
13015  BDY ~ Data processing number for tracking purposes - block 8 of build sheet
TR  755 ~ Black Coated Fabric (bench)
926-99616  PNT ~ Special order paint not a standard Chevelle listed color. 
926 ~ DuPont non-metallic color
99616 ~ DuPont mixing formula, Monaco Orange
2A ~ Body Date - February, 1st week
085315  ~ Data processing number - block 24 of build sheet*
01 ~ Data processing number (SCHED. NO.) - block 10 of build sheet**
0141 ~ Data processing number - block 24 of build sheet*

ST  70-13637 ~ 1970 Malibu Sport Coupe (289,622 units)
BL ~ Body Assembly ~ Los Angeles (Van Nuys), California
21195  BDY ~ Data processing number for tracking purposes - block 8 of build sheet
TR  791 ~ Aff. Ivory Coated Fabric (bucket)
28  PNT ~ Fathom Blue (lower-upper) [note only one paint color code]
5B ~ Body Date - May, 2nd week
344247 ~ Data processing number - block 24 of build sheet*
11 ~ Data processing number (SCHED. NO.) - block 10 of build sheet**
0201 ~ Data processing number - block 24 of build sheet*

ST  70-13637 ~ 1970 Malibu Sport Coupe (289,622 units)
BL ~ Body Assembly ~ Los Angeles (Van Nuys), California
10884  BDY ~ Data processing number for tracking purposes - block 8 of build sheet
TR  756 ~ Black Coated Fabric (bucket)
926-99616  PNT ~ Special order paint not a standard Chevelle listed color. 
926 ~ DuPont non-metallic color
99616 ~ DuPont mixing formula, Monaco Orange
B ~ Black Vinyl Top
6A ~ Body Date - June, 1st week
686157 ~ Data processing number - block 24 of build sheet*
02 ~ Data processing number (SCHED. NO.) - block 10 of build sheet**
0009 ~ Data processing number - block 24 of build sheet*

* Only the first 6-digit number and the last 4 digits of the second 6-digit number appear in block 24.
** The first two numbers from the second 6-digit series are SEQ. NO from block 10.